Qualitative methods in the development of a parent survey of children’s oral health status
Journal of Patient-Reported Outcomes volume 2, Article number: 7 (2018)
Parents’ perceptions of their 8–17-year-old children’s oral health status were assessed using a sample from diverse dental clinics in Greater Los Angeles County to identify constructs for a survey instrument.
Focus groups with 29 parents or guardians were conducted to identify themes that informed development of survey items. The draft items were administered to a different group of 32 parents or guardians in cognitive interviews, and revised for subsequent field-testing.
Thematic and narrative analyses were performed after the focus groups and key lay-oriented dimensions were uncovered, notably the relationship between oral health, systemic health and the life course. In the cognitive interviews, parents entered multiple responses to questions related to the look of their child’s teeth, and their overall perception of tooth color. Parents also assessed their child’s fear or discomfort with the dental experience, and other social and psychological concerns related to oral health status. The temporal dimensions of certain items were specified; for example, oral pain and mood items were revised to include duration of the symptom or mood state. As parents tended to confuse oral health maintenance and prevention, these two related concepts were separated into two items. Based on the qualitative work, we revised items in preparation for a field test.
As a PRO measurement study, qualitative research informed a field test survey to assess factors associated with oral health status and the individual’s perceptions and subjective views of these constructs for eventual item development for epidemiological and clinical use.
This study builds upon two previous efforts: the development of the Children’s Oral Health Status Index (COHSI) , a clinically oriented outcome measure, and the Patient-Reported Outcome Measurement Information System (PROMIS®) project . The COHSI is a measure derived from paired preferences of an expert panel of dentists. PROMIS® was initiated by the National Institute of Health in 2004 to develop state-of-the-science self-reported health measures, such as: pain, fatigue, physical functioning emotional distress, and social role participation. While PROMIS® item banks have been developed for child and adolescent health they do not target child and adolescent oral health . This study uses the methods employed by PROMIS® to develop oral health patient-reported outcome (PRO) items. The intent of our oral health study is to relate both the child’s and the parent’s reports about the child’s oral health with clinical assessments of oral health status by dental examiners. In the study’s initial phases, qualitative approaches from PROMIS® were used to develop PRO items that address clinical oral health status, a clinical outcome, rather than relying solely on perceptions of oral health status or oral health-related quality of life (Oral HRQol). Qualitative research in our study provides the bridge between lay perceptions and the clinician. In this paper, we report on qualitative research centered on understanding parents’ perceptions of oral health with the objective of developing survey items that can estimate clinical measures of oral health status.
Assessing child and adolescent oral health outcomes is complex because of changes associated with emerging-developmental skills and functions [4,5,6]. Middle childhood (ages 8–12 years) is a life stage characterized by learning cognitive skills, gaining competence in interpersonal and social relationships, and acquiring habits of mind essential for more focused learning and work tasks. It is also a time when children, while still influenced by their family, experience a strong peer orientation and spend considerable energy cultivating and maintaining friendships. Hence, the main developmental task of middle childhood is one of the integration of inner life within a complex social world in order to build a foundation to meet upcoming adolescent challenges. Adolescents, by contrast, are faced with two main developmental tasks: to integrate and adapt to the physiological changes within themselves and to prepare themselves for the tangible adult tasks ahead of them. Our study population for this paper, children and adolescents, ages 8–17, also experiences transitional and permanent dentition, and relatively high rates of dental and occlusal problems. Understanding parent perceptions of oral health status for older children and youth is especially important as their influence on oral hygiene, as with other aspects of their children’s development, begins to diminish as the child becomes more enmeshed into the social world beyond the family.
Existing measures to assess children’s perceptions include the Child Oral Health Impact Profile  and Child Oral Health-related Quality of Life  measures. Self-reports by children are the primary method of oral health status and oral HRQoL assessment, supplemented by parent or guardian proxy report [9, 10]. However, beyond these self-reports by children and their parents, a number of issues remain to be addressed in PRO assessment, including evaluation of the conceptual frameworks guiding oral health assessment and the psychometric properties of the most widely used measures .
A systematic review indicated that parents’ reports of their children’s health provide substantial unique information beyond their children’s self reports . Another study comparing single-item parental ratings of children’s oral health with clinical indicators  found significant associations of parent ratings of their child’s oral health with children’s self-reports and clinical indicators of oral health. A study that administered the Early Childhood Oral Health Impact Scale  showed that parent and adolescent perceptions of oral health stemmed from different factors. A study of parent perceptions of their child’s teeth found that fluorosis and demarcated opacities, conditions that affect dental aesthetics, are associated with parental dissatisfaction with appearance, color, and blotchiness .
Parent perceptions of their child’s oral health have been shown to be associated with income, education and personal experiences. Mothers with limited schooling tend to have a poorer perception of their child’s oral HRQoL than mothers with higher levels of education. Anxiety and parental distress intersect to influence parental perceptions of their child’s oral health . Lower income parents, who cannot afford health insurance or healthcare, nor gain consistent access to either, tend to view their children’s oral health as worse than higher income parents . In addition, less family income is negatively associated with children and their parents’ oral HRQoL . While previous studies of child and adolescent oral health focused upon parental perceptions of oral health as a concept, few studies have looked at parents’ reports of oral health status specifically focused toward the quantifiable clinical dimension. Moreover, few childhood oral health studies were conducted using qualitative research methods, such as interviews and focus groups [19,20,21].
A strength of the qualitative approach used in this study, namely focus groups and cognitive interviews, is that it provides a more dynamic picture of the social processes involved than is possible from a static view captured by survey methods. Furthermore, this style of research takes place in natural as opposed to experimental settings, in this study dental practices where children received care, and therefore allows researchers to overcome the discrepancy between what people say and what they do. Qualitative research invariably involves taking the perspective of the participants. A second major feature of qualitative research is that it has a preference for “grounded” concepts and theories. To achieve a grounded approach, however, it is necessary to use, in this case, parents as knowledgeable informants about their child’s physical, social and mental health. The sampling of parents of children with a dental home ensures that they are currently actively engaged in their children’s care. In qualitative research, analysis and collection of data are highly integrated activities. This is necessary to ensure that the research remains grounded. In this study, focus group data suggested dimensions and questions that became important to item development and expert panel review. The subsequent cognitive interviews revealed meanings and surfaced comprehensibility concerns that led to the refinement of items for the field test.
This children’s oral health study includes carrying out a systematic review of the literature to identify instruments and survey items associated with oral health status, conducting focus groups to elicit children’s and the parents’ perceptions about the child’s oral health status, drafting items, conducting cognitive interviews to assess children’s and parents’ understanding of the items, revising the items, and then field testing the revised items together with a dental clinical examination. As a PRO measurement study, qualitative research informed a field test survey to assess factors associated with oral health status and the individual’s perceptions and subjective views of these constructs for eventual item development for epidemiological and clinical use. The qualitative methods used in the initial phases of the project are the preliminary steps in the development of oral health item banks and associated short-form surveys for children and adolescents, and their parents. Our oral health model integrates the life-course concept into the dynamics of oral health by including biological, behavioral, and social contexts that change as a person develops through childhood, adolescence, young adulthood, and later adult life. Details of the study, including the model, the development of survey items and the flow of entire study project, are described elsewhere . This paper describes the qualitative work, including focus groups and cognitive interviews, conducted to develop survey items to assess parental perceptions of their children’s oral health status that will be administered in the field test.
We divided children and adolescents into two development age groups: 8–12, and 13–17 years, and conducted four focus groups interviews with them, as described in a previous paper , and 29 parents or guardians of children in these age groups from two participating practices. The latter four focus groups probed parent’s attitudes about their children’s oral health and elicited their perceptions using an interview guide displayed in Table 1, and serve, in part, as the basis for this paper. Each focus group was digitally recorded and transcribed verbatim, and entered into NVivo Version 10, a qualitative text analysis database . Word frequencies and content analysis of the focus group transcript, including thematic and narrative analyses, were used to uncover themes. Frequency of mentions pertaining to specific words, for example, provided a sense of what parents viewed as important and what was left out of the group discussion. In our thematic analysis, we identified constructs and dimensions that underlie parental perceptions and found those themes that coalesced into broader categories for use in item development. We reviewed the constructs within each focus group; then, we looked at the total data set, to include all parental responses across the four focus groups and identified six broad domains and, within those domains, numerous dimensions, as shown in Table 2.
We identified a preliminary set of items after the focus groups and wrote new items as needed. We administered these items in cognitive interviews with 32 parents or guardians to evaluate their understanding of the meaning of the items, using an interview guide displayed in Table 3. For each item, we probed regarding item content and response options. We followed the approach used by DeWalt and colleagues for carrying out PROMIS® cognitive interviews . Specifically, we asked each participant to complete a pencil and paper version of the questionnaire and then a trained interviewer asked questions, or probes, to elicit specific information about each question, including context, time frame and response options. Through “retrospective probing” techniques, we explored how respondents recall information, what time frame they use, and what time frame is beyond their recall. We used intermittent and retrospective probes as part of a “hybrid model” of cognitive interviewing that consisted of a mix of the “think aloud” and “verbal probing” approaches . We elicited parental perceptions of their child’s oral health; recorded their responses; and checked throughout the interview for clarity of the respective items and the parent’s understanding of each item. The draft items were revised based on the cognitive interviews. In sum, through the qualitative analyses of both focus group and cognitive interview data, the research team identified parents’ perceptions about their children’s oral health status.
We used patient lists from seven dental practices to recruit parents of children and adolescents (ages 8–17) from dental clinics in Los Angeles County for the focus groups and cognitive interviews. The recruitment sites cover different geographic areas and communities, with diverse ethnic compositions, ranging from low-income underserved, immigrant neighborhoods to high-income professional communities. Institutional review board approval was obtained from the UCLA Office of the Human Research Protection Program (IRB Approval # 13–001330).
Expert panel review and item revision
The focus group responses permitted us to draw out themes and keywords to understand parents’ perceptions of, experiences with, and beliefs about their children’s oral health. Once themes and narratives from the focus groups were analyzed, together with word frequencies, we conducted thematic and narrative analysis to identify the terms used by the participants. Our draft items were: 1) 29 legacy items from original or commonly used measures and instruments: items could be used with both parents and children; 2) 28 legacy items for adults that need revised wording for children, or vice versa; and 3) 26 newly written items created as a result of focus group discussions. The initially drafted items were reviewed, revised and approved through an expert panel review; the nine panel members came from backgrounds in public health, pediatric and general dentistry, health services research and oral health status and oral HRQoL measurement.
The newly written draft items were administered in a series of face-to-face cognitive interviews with parents or guardians. We analyzed how parents responded to the interview items with respect to their comprehension, judgment and estimation, and ability to document a response. We also analyzed how parents responded when asked to think about their comprehension to see if their judgments would have changed if the questions were rephrased.
We reviewed all parental comments from the cognitive interviews, identifying item comprehension, word meaning and tense issues, and the degree to which sequential ordering of questions can affect the respondent’s response. In analyzing focus group and cognitive interview responses, we compiled anecdotal evidence from parents to illustrate arguments used by members of the expert panel in their discussion of parental attitudes toward and perception of a child’s oral health.
Upon analysis of the cognitive interviews, items were refined and presented to the expert panel. Based on expert panel review and recommendation, these revised items were combined with existing (“legacy”) items into a field test survey interview.
Table 4 presents the demographics of parents participating in the focus groups (n = 29) and the cognitive interviews (n = 32). Age, gender, parent marital status, and number of children were not substantially different across the two groups. There were differences in parents’ ethnicity, education, primary language, and family income. Primary language spoken in the home also showed differences with lower numbers of primarily Spanish language speakers in the cognitive interviews and higher numbers of primarily Chinese speakers in the focus group and cognitive interviews. The focus groups had high- and low-income participants with none in the middle-income range ($40,000 to $60,000); while 29% of the cognitive interview participants fell into this middle-income category. These differences are to be expected because the focus groups were held in sites that represented a high-income pediatric dental practice and a low-income community-based dental clinic. The cognitive interview, by contrast, took place in a variety of practice sites.
Below, we summarize specific themes emerging from the transcript analysis of the focus group discussions, and corresponding comments that are relevant to children’s oral health item development. We provide quotes to illustrate how concerns are expressed in the parents’ own words. All quotations cited in the text are those of focus group participants (Table 5).
Dental appearance was viewed by the parents in terms of color of the teeth and also by the straightness of the teeth as in the following comment: “You look at someone with really crooked teeth; I always think why didn’t your parent do something to help you?…” There were also differences between high- and low-income parents with respect to perception of tooth color. This aspect of class and culture is found in the perception of “bright white” versus “white” teeth. High-income parents equated the value of bright white teeth with their ability to employ professional services to brighten teeth. Some indicated that this was a matter of style and, for this reason, had their children’s teeth brightened. One parent remarked: “The teeth are not necessarily white to have good oral health. The white idea is a new definition of attractive.”
Dental phobia and anxiety
An area of parental concern is their child’s fear and worry over dental treatment; one parent said: “it was very important to me that they not be afraid to go to the dentist because we, me and my husband, are still afraid,” indicating they do not want to perpetuate dental anxiety in their children.
Support for oral health prevention
In many instances, the parents also discussed their capacity to support their child’s oral health prevention and its economic implications. One parent remarked: “If you are maintaining a structured situation at home with your kids, making sure that they are brushing and flossing on a regular basis, it will not be that costly.”
Oral health and systemic health
In their responses, parents viewed oral health through a holistic lens, namely, as a way to stay healthy, overall. One parent said: “I have heard, too. Actually, one of my coworkers told me, and it stuck to my head that if you do not clean your teeth, you get sicker faster because more germs build up. I kind of took that seriously. He is kind of right. Now, has this been proven, studied? I do not know, but I truly believe that if you take care of your teeth, you do not get sick as often as most people do.”
Oral health and the life course
Parents viewed oral self-care in terms of both maintaining general overall health, and living a longer life as a result. One parent said. “I took a class in college…I remember them saying that if you do not take care of your teeth, it takes off—I do not remember the number— like 5 or 6 years from your life. I remember that affecting my idea of taking care of my teeth.”
We identified a number of issues from the cognitive interviews that informed subsequent item development.
A concern was the confusing wording of some of the draft items. In assessing their child’s teeth, some respondents had a difficult time answering the question about tooth color, because they may perceive teeth as neither “bright white” nor “yellow,” but as other shades, as represented on standard shade guides. The term, “white,” indicates pale or free of color, and opaque; while “bright” denotes a radiant, shining and sparkling appearance; “yellow,” by contrast, indicates discoloration. We tried to determine how respondents communicated these shades and to then address the ways the revised survey questions could address this confusion. The focus group analysis identified that color was important; however, when this was explored with parents in the cognitive interviews, the issue turned out to be quite complex and not a mono-dimensional construct.
Some parents were confused when asked to choose between the terms, “maintain” through proper oral care and diet to prevent oral disease, and “improve” to deter progression of oral conditions, such as dental caries, through treatment. Parent respondents did not understand that if the child already has active oral disease, then it is a question of improvement. However, if the child does not as yet have active disease, then the parent is helping the child maintain good oral health and thus prevent the onset of new disease.
The temporal dimension was another concern. Certain items required parents to recall a time when they were concerned about a recent oral health problem or indicate any instances of dental anxiety or phobic reactions. Parental responses varied, with some respondents solely commenting on their child’s current status, while others talked about a previous situation, or remarked on gradual improvements or worsening of specific conditions. We also found that seasonality (i.e., time of the year when an interview took place) affected parental attitudes. Interviews conducted during the school year may have affected parents’ perception of their children’s overall well-being, with many parents expressing a harried pace of being engaged in the urgency of their school responsibilities; interviews conducted during school breaks and summer vacations found parents commenting that their children are happier, as these times provide a more relaxing schedule.
Based on the themes and dimensions that surfaced throughout qualitative work, we undertook item revision. In reviewing parent responses to cognitive interview questions, the expert panel suggested revisions to certain items in advance of survey administration (Table 6).
The first set of revised items (6a-6d) deals with the parent’s perception of physical state of their child’s oral health. Some parents did not know how to report the color of their children’s teeth and were confused by “bright white”; a couple of parents had their children’s teeth brightened by dentists, but most of the others felt either “white” or “yellow” was more like the color; however, some had a brown tooth among the other colors. Given the option to include different colors seemed to solve the problem.
Dental phobia and anxiety
The second set of revised items (6e-6f) refers to parental perception of their child’s feelings about the dental experience, When parents were originally asked, “Did your child ever refuse to go to the dentist because s/he was afraid of…” various routine clinical procedures, the wording “refused” confused the issue, because it is the parent’s responsibility for accessing care; the question was changed from “refused” to “being afraid of.” The term, “refuse,” gives the child agency, whereas “afraid” is amenable to parents talking about fear. We do not wish to imply that the child has autonomy or the freedom to dictate dental treatment or refuse care.
Oral health and the life course
The third set (6 g-6i) of revised items concerns parental attitudes about the value they place on oral health as it affects the child’s life course. Parents were originally asked, “If I don’t help my child care for his/her teeth, his/her life will be…” and select from the following responses: “Shorter by many years; Shorter by a few years; About the same.” Comments regarding teeth and longevity came from several Latino parents who saw a direct link between the number of teeth and the years of life. This link opened our eyes to the issue of health over the life course. The question was put in the positive and the response was made comparative; rather than a simple “shorter by many years,” we changed it to “many more years than if I didn’t take care of them.”
Parents were originally asked to agree or disagree with the following: “If my child maintains good oral health, s/he will have a better chance of getting into college and having a successful career.” Parents found this question confusing because they did not view oral health as important to getting into college. They saw that process as impersonal, namely relying on data, such as the grade point average, SAT/ACT scores and recommendation letters, and not the direct contact with the admissions decision-makers. By contrast, parents regarded a career as an interpersonal process involving direct interaction where oral health plays a more important role. As a result, we decided to relate oral health to chance of success in life.
The final set (6j-6 l) of revised items addresses the parent’s sense of efficacy, specifically a sense of their own control over their children’s oral health behaviors. We asked parents to think about the following question, “By reminding my child to brush his/her teeth, it will help…” and select from the following responses: "1) Improve his/her oral health; 2) Maintain his/her oral health; and 3) Won’t make any difference to his/her oral health." We changed the question to address concerns of our expert panel, whose members preferred a conceptual approach, rather than a strictly behavioral one. The previous version asked the extent to which the parent had to remind the child (behavior), while the revised version asked about the parent’s belief in the effectiveness of reminding the child to brush. This necessitated a change in responses to: "1) make his/her oral health better; 2) keep his/her oral health the same; and 3) make no difference in his/her oral health."
The National Institutes of Health promote the use of PROMIS® and other measures for research and in clinical practice through the “Person-Centered Assessment Resource” . There is an extensive library of item banks, but an oral health item bank is not yet available. This paper described the type of qualitative work needed towards filling this gap.
We reviewed the literature, conducted focus groups, drafted items, and evaluated them in cognitive interviews in order to revise them for a forthcoming field test. Using the focus groups and cognitive interviews as formative research methods we set out to: 1) document the experience of oral health as seen by children and adolescents across physical, mental and social health domains; and 2) gain understanding of the effects of oral health attitudes, values, beliefs, and practices of the parents or guardians across these domains, which is the focus of this paper.
Implications for PRO measurement
Our approach combines formative research methods with survey research to provide a more dynamic picture of child and adolescent oral health status than is possible from a static view captured by survey methods, alone. Our study is strengthened by including children with ethnic and geographic diversity and parents/guardians from a variety oral health professional settings. Mixed methods research holds the promise of expanding the availability of appropriate oral health status PRO measurement tools, especially those linked directly to comprehensive clinical measures of oral health status.
To date, most child oral health studies using qualitative methods focused on how parent reports can inform the planning and the design of preventive interventions. Several studies describe the use of qualitative methods with parents relative to predisposing factors leading to childhood caries. Three studies utilize the Fisher-Owens conceptual model of child, family and community influences on oral health outcomes of children in terms of caries . Duijster et al.  collected data from focus group interviews with predominately immigrant families in the Netherlands to understand parental views on the influences on children’s oral health behavior and to then develop caries prevention programs for this population. Riggs et al.  used focus groups and semi-structured interviews with immigrant and refugee families in Australia to guide the design of culturally competent caries preventive interventions for migrant-serving agencies. Cortes et al.  used focus groups and semi-structured interviews with recent Latino immigrant families to understand their perceptions and experience with dental care on behalf reducing oral health disparities. Two studies address communication about early childhood caries prevention and intervention between program staff and family enrollees in publicly funded programs. Mofidi et al.  conducted focus groups with Early Head Start staff, parents and pregnant women in North Carolina to inform the design of theory-based educational interventions. Kelly et al.  conducted focus groups with low-income Medicaid recipients in Kentucky to surface barriers to early children caries prevention and care. These studies have a limited view of oral health status as their objective since their focus is on the prevention and treatment of early childhood caries. By comparison, the COHSI is a more extensive view of children’s oral health, including occlusal and facial characteristics, and therefore embodies a broader view of child and adolescent oral health that takes into account aesthetic considerations. What PRO measurement lends to this outcome, linked directly to a clinical index of oral health status, is a formalization of the inputs across the three domains, namely physical, mental and social health.
Together, focus groups and cognitive interviews deepened our understanding of lay insights about oral health, from the parent’s perspective. These qualitative methods in our formative research activities also provided a look into parents’ perceptions along cultural and class lines. For some low-income Latino parents, each tooth lost represented a loss of a year of life. By contrast, upper income parents were concerned that disease in the mouth can cause systemic disease; therefore having poor oral health represented suboptimal overall health and wellbeing. Both groups believed that poor oral health has implications for the life course, but better off parents assumed that preventive oral health behavior will directly result in healthier children now and in the future. Parents admitted that their own fears and anxieties about dental treatment were a stimulus for assuring that their child receives dental care; although they may not have been aware that these emotions can be subliminally projected onto their children. It would be interesting to see whether children whose parents experience fear or anxiety about the dental visit carry similar emotional burdens when they present for dental care.
In sum, our research has the potential of broadening the concept of oral health, thereby informing PRO measurement, by offering sets of parent items that encompass the domains used in the PROMIS® methodology. At the same time, this research moves toward enhancing an understanding of the link between perceived and clinically determined oral health.
The paper reports on discussions and interviews with the parents or guardians of children and adolescents, ages 8–17, a subgroup that, in addition to changes associated with emerging-developmental skills and functions, experiences transitional and permanent dentition, and relatively high rates of dental and occlusal problems. This study has several limitations. First, our sample is comprised only of children who are already in dental care and their parents or guardians who agreed to participate in a study to understand the perceptions of parents whose children have a dental home. In future studies, we will interview parents of users and non-users of dental services to see whether there are any differences in their perceptions of oral health status. Second, we did not measure health literacy in this phase because we drew upon the responses of a wide range of parents in developing items for the cognitive interview and the subsequent field test. Through the cognitive interviews with parents, in an informal way, we were able to get a sense of the comprehensibility and meaning of the various items developed from focus groups. Third, parents’ perceptions involved in the evaluation and refinement of items were inherently subjective, reflecting observations of their children’s oral health, and this was the primary interest of our study. Our intent was specifically to gain a sense of the parent’s understanding of their child’s oral health, as a concrete example of oral health status, and not as a general concept, because, eventually, we wished to relate these responses to the clinical oral health of their child in the field test.
Qualitative methods and subsequent thematic and narrative analyses uncovered key lay-oriented dimensions, notably the relationship between oral health, systemic health and the life course. In the cognitive interviews, parents entered multiple responses to questions related to the look of their child’s teeth, and their overall perception of tooth color. Parents also assessed their child’s fear or discomfort with the dental experience, and other social and psychological concerns related to oral health status. Additionally, the temporal dimensions of certain items were specified; for example, oral pain and mood items were revised to include duration of the symptom or mood state. The qualitative methods used in the initial phases of the study will lead to the development of oral health item banks for children and adolescents and collect data not possible through other methods. The oral health items that will be finalized following the field test can be used by dentists, oral health researchers and professionals, and public policy makers for oral health screening, program assessment, oral health evaluation with large populations as well as oral health management and policy planning.
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This research was supported by a NIDCR/NIH grant to the University of California, Los Angeles (U01DE022648). We would like to acknowledge the following individuals for their assistance in both developing our sample and providing the space for the focus groups, cognitive interviews, and field test: Dr. Suzanne Berger, Dr. Ding Bu, Dr. Roger Fieldman, Ms. Dale Gorman, Dr. Geoffrey Groat, Dr. Gary Herman, and Ms. Audrey Simons. We would also like to acknowledge Mr. Roberto Belloso, MPH, for his work in conducting the focus group interviews with parents in our sample, and Ms. Leslie Hanson for detailed editorial work in preparing the manuscript.
This research was supported by a National Institute of Dental and Craniofacial Research/National Institutes of Health grant to the University of California, Los Angeles (U01DE022648). NIDCR had no role in the design of the study and collection, analysis, or interpretation of the data.
Availability of data and materials
At this stage of our research, the research team is still in the process of designing item bank and the data will not be shared at this time.
Ethics approval and consent to participate
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional review board (UCLA Office of the Human Research Protection Program, IRB Approval # 13–001330) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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The authors declare that they have no competing interests.
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Maida, C.A., Marcus, M., Hays, R.D. et al. Qualitative methods in the development of a parent survey of children’s oral health status. J Patient Rep Outcomes 2, 7 (2018). https://doi.org/10.1186/s41687-018-0033-x
- Child and adolescent oral health
- Psychosocial aspects of oral health
- Qualitative research