Table 1 Descriptive statistics of caregivers (n = 566)
Variable | Mean | SD | Min | Max |
|---|---|---|---|---|
Age | 41.6 | 8.8 | 21 | 72 |
| Â | Frequency | % | Â | Â |
Gender | ||||
 Male | 140 | 25% |  |  |
 Female | 426 | 75% |  |  |
US region | ||||
 South Atlantic | 103 | 18% |  |  |
 East North Central | 70 | 12% |  |  |
 Pacific | 91 | 16% |  |  |
 Middle Atlantic | 63 | 11% |  |  |
 East South Central | 68 | 12% |  |  |
 West South Central | 45 | 8% |  |  |
 Mountain | 30 | 5% |  |  |
 West North Central | 28 | 5% |  |  |
 New England | 21 | 4% |  |  |
 Non-contiguous | 1 | 0% |  |  |
 Missing | 46 | 8% |  |  |
Marital status | ||||
 Never married | 31 | 5% |  |  |
 Married | 453 | 80% |  |  |
 Cohabitation/domestic partner | 40 | 7% |  |  |
 Separated | 11 | 2% |  |  |
 Divorced | 23 | 4% |  |  |
 Widowed | 5 | 1% |  |  |
 Missing | 3 | 1% |  |  |
Race (check all that apply) | ||||
 Black | 47 | 8% |  |  |
 White | 519 | 92% |  |  |
 Other | 21 | 4% |  |  |
Hispanic ethnicity | ||||
 Yes | 57 | 10% |  |  |
 No | 490 | 87% |  |  |
 Missing | 19 | 3% |  |  |
Level of education | ||||
 Less than 12th grade | 6 | 1% |  |  |
 High school diploma | 59 | 10% |  |  |
 Technical (vocational) degree | 66 | 12% |  |  |
 Some college | 92 | 16% |  |  |
 2-year university degree | 89 | 16% |  |  |
 4-year university degree | 171 | 30% |  |  |
 Masters degree | 53 | 9% |  |  |
 Doctoral degree | 5 | 1% |  |  |
 Missing | 25 | 4% |  |  |
Recruitment source | ||||
 Rare patient voice | 49 | 9% |  |  |
 Patient advocacy groups | 87 | 15% |  |  |
 Word of mouth | 428 | 76% |  |  |
 Missing | 2 | 0% |  |  |
Comorbidities | ||||
Comorbidities, out of 15 presented specific comorbiditiesa | 1.3 | 1.7 | 0 | 9 |
| Â | Frequency | % | Â | Â |
 Arthritis | 76 | 13% |  |  |
 Asthma | 50 | 9% |  |  |
 Back pain | 189 | 33% |  |  |
 Cancer now or in the past | 18 | 3% |  |  |
 Depression | 131 | 23% |  |  |
 Diabetes | 20 | 4% |  |  |
 Heart disease | 11 | 2% |  |  |
 High blood pressure | 53 | 9% |  |  |
 Insomnia | 117 | 21% |  |  |
 Kidney disease | 3 | 1% |  |  |
 Liver disease | 5 | 1% |  |  |
 Lung disease | 3 | 1% |  |  |
 Stroke | 3 | 1% |  |  |
 Ulcer or stomach disease | 18 | 3% |  |  |
 Other | 66 | 12% |  |  |
| Â | Mean | SD | Min | Max |
Body mass index | 26.9 | 6.0 | 16.5 | 40.0 |
Smoking status | Frequency | % | Â | Â |
 Never smoked | 447 | 79% |  |  |
 Used to smoke | 58 | 10% |  |  |
 Some days currently | 23 | 4% |  |  |
 Every day currently | 35 | 6% |  |  |
 Missing | 3 | 1% |  |  |
Work status | ||||
 Employed | 323 | 57% |  |  |
 Unemployed | 202 | 36% |  |  |
 Retired | 10 | 2% |  |  |
 Disabled due to medical condition | 10 | 2% |  |  |
 Missing | 21 | 4% |  |  |
Hours worked per week | ||||
Does not apply | 242 | 43% | Â | Â |
  < 20 | 15 | 3% |  |  |
 20–29 | 41 | 7% |  |  |
 30–39 | 75 | 13% |  |  |
 40+  | 193 | 34% |  |  |