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Table 2 Details of the item analysis

From: Validation of a health screening questionnaire for primary care using Rasch models

  Domain/item Mean (SD) Outfit P Infit P Item-restscore association
Obs Exp P
  Resources
1 Sense of general health 2.2 (0.7) 1.06 0.0766 1.05 0.1560 0.58 0.60 0.1246
2 Feel well enough to do what you like to do 1.9 (0.8) 0.98 0.6805 1.02 0.6886 0.63 0.62 0.4612
3 Knowledge about how to improve health and well-being 2.2 (0.7) 0.98 0.5891 0.98 0.5768 0.46 0.43 0.3125
4 Feel appreciated by those you see every day 1.8 (0.8) 1.07 0.0852 1.06 0.1343 0.44 0.49 0.0346
5 Feel appreciated at work 1.8 (0.7)        
6 Ease finding solutions to problems and difficulties in everyday life 2.3 (0.8) 0.95 0.2401 0.99 0.7948 0.61 0.60 0.4777
7 Feel you encounter significant psychological problems in daily life 1.8 (0.9) 0.89 0.0166 0.93 0.0520 0.57 0.54 0.1432
8 Have someone among family you can trust to talk with about possible problems 1.9 (1.2)        
9 Have someone among friends you can trust to talk with about possible problems 2.1 (1.2)        
  Lifestyle
10 Have felt so stressed that there has been physical discomfort several times a week 1.2 (0.4) 0.96 0.2473 0.96 0.1272 0.24 0.18 0.1341
11 Need time to oneself in daily life 1.4 (0.5)        
12 Have felt the need to reduce consumption of liquor 1.1 (0.3) 1.08 0.3018 1.04 0.4807 0.13 0.22 0.1350
13 Use tobacco on daily basis 1.4 (0.5)        
14 Use pain medications on a daily basis 1.1 (0.3) 1.07 0.4828 1.01 0.9131 0.20 0.26 0.4006
15 Use addictive drugs on a weekly basis 1.0 (0.2)        
16 Vegetables regular part of diet (3 x /week) 1.3 (0.4) 1.02 0.5113 1.02 0.5016 0.22 0.24 0.6124
17 Regular exercise (4 x /week) 1.4 (0.5) 0.98 0.5554 0.99 0.5089 0.23 0.22 0.6631
  Family life
18 Live alone 1.1 (0.3)        
19 Live alone with one or more children 1.1 (0.3)        
20 Unemployed for more than 6 months in past year 1.1 (0.3)        
21 Unemployed for more than one year in past three years 1.1 (0.3)        
22 Problems with alcohol or drug consumption in the past year for you or your partner 1.1 (0.2) 1.03 0.6188 1.01 0.8274 0.67 0.69 0.5678
23 Problems with alcohol or drug consumption in past year for any of your children 1.0 (0.1) 0.75 0.3803 0.96 0.8565 0.81 0.67 0.1499
24 Significant problems for you in your daily life 1.1 (0.3) 0.97 0.4878 0.95 0.2259 0.82 0.80 0.3455
25 Significant daily problems in your love relationship 1.1 (0.3) 1.03 0.6572 0.98 0.6056 0.82 0.79 0.2520
26 Your child/children have significant daily problems 1.1 (0.2) 1.06 0.4521 1.03 0.6563 0.58 0.66 0.0630
27 Feel secure in daily life 1.1 (0.3) 1.00 0.9739 1.04 0.4086 0.83 0.85 0.4396
  Relationship with children
28 Assessment of the quality of the relationship with your child/children 1.4 (0.6) 0.87 0.0996 0.92 0.1130 0.50 0.44 0.0973
29 Ability to cope at home or work when your child is sick (e.g., with the flu) 1.8 (0.7) 0.94 0.3145 0.95 0.4091 0.37 0.29 0.0351
30 Actively supporting and improving child’s physical environment (school, transportation, institution, friends) 1.8 (0.9) 1.07 0.1614 1.02 0.6500 0.30 0.31 0.9093
31 Lack energy to put your foot down in the past year regarding your child, even when you feel it is important 2.0 (0.8) 1.00 0.9899 0.98 0.7304 0.42 0.42 0.9847
32 Assessment of own childcare abilities 1.7 (0.7) 1.05 0.2892 1.04 0.4175 0.29 0.34 0.2243
33 Frequent difficulties getting child to eat regularly, and healthy food 2.1 (0.9) 1.07 0.1114 1.05 0.3157 0.33 0.37 0.2923