Table 2.
Regression Model of Ratings for QWB Scale
| Component | DF | Estimates | SE | t-value | P-value |
|---|---|---|---|---|---|
| Mobility (MOB) | |||||
| In hospital, health related | 1 | 0.087 | 0.007 | 12.14 | <0.0001 |
| Limited in travel, health related | 1 | 0.009 | 0.008 | 1.20 | 0.23 |
| No limitations for health reasons | Ref | 0.000 | Ref | Ref | Ref |
| Physical activity (PAC) | |||||
| In bed, chair, couch or wheelchair, health related | 1 | 0.132 | 0.009 | 14.60 | <0.0001 |
| Limited in walking, health related | 1 | 0.041 | 0.008 | 4.81 | <0.0001 |
| No limitations for health reasons | Ref | 0.000 | Ref | Ref | Ref |
| Social activity (SAC) | |||||
| Performed no major role activity, health related, and limited in self-care activities, health related | 1 | 0.111 | 0.011 | 10.32 | <0.0001 |
| Performed no major role activity, health related, but did perform self-care activities | 1 | 0.127 | 0.011 | 12.02 | <0.0001 |
| Limited in major (primary) role activity, health related | 1 | 0.083 | 0.011 | 7.56 | <0.0001 |
| Limited in other role activity, health related | 1 | 0.088 | 0.011 | 8.00 | <0.0001 |
| No limitations for health reasons | Ref | 0.000 | Ref | Ref | Ref |
| Problem/symptom complexes (CPX) | |||||
| Loss of consciousness such as seizure (fits), fainting, or coma (out cold or knocked out) | 1 | 0.243 | 0.016 | 15.36 | <0.0001 |
| Burn over large areas of face, body, arms, or legs * | 0.250 | ||||
| Pain, bleeding, itching, or discharge (drainage) from sexual organs–does not include normal menstrual (monthly) bleeding | 1 | 0.257 | 0.017 | 15.10 | <0.0001 |
| Trouble learning, remembering, or thinking clearly | 1 | 0.388 | 0.011 | 34.53 | <0.0001 |
| Any combination of one or more hands, feet, arms, or legs either missing, deformed (crooked), paralyzed (unable to move) or broken—includes wearing artificial limbs or braces | 1 | 0.167 | 0.018 | 9.09 | <0.0001 |
| Pain, stiffness, weakness, numbness, or other discomfort in chest, stomach (including hernia or rupture), side, neck, back, hips, or any joints of hands, feet, arm or legs | 1 | 0.230 | 0.017 | 13.28 | <0.0001 |
| Pain, burning, bleeding, itching, or other difficulty with rectum, bowel movements, or urination (passing water) | 1 | 0.235 | 0.018 | 13.30 | <0.0001 |
| Sick or upset stomach, vomiting or loose bowel movements, with or without fever, chills, or aching all over | 1 | 0.251 | 0.017 | 15.19 | <0.0001 |
| General tiredness, weakness, or weight loss | 1 | 0.327 | 0.016 | 19.86 | <0.0001 |
| Cough, wheezing, or shortness of breath with or without fever, chills, or aching all over | 1 | 0.366 | 0.015 | 24.80 | <0.0001 |
| Spells of feeling upset, being depressed, or of crying | 1 | 0.296 | 0.018 | 16.52 | <0.0001 |
| Headache, or dizziness, or ringing in ears, or spells of feeling hot, or nervous, or shaky | 1 | 0.411 | 0.014 | 29.72 | <0.0001 |
| Burning or itching rash on large areas of face, body, arms, or legs | 1 | 0.297 | 0.012 | 25.24 | <0.0001 |
| Trouble talking, such as lisp, stuttering, hoarseness, or inability to speak | 1 | 0.335 | 0.017 | 19.41 | <0.0001 |
| Pain or discomfort in one or both eyes (such as burning or itching) or any trouble seeing after correction | 1 | 0.383 | 0.021 | 18.51 | <0.0001 |
| Overweight or underweight for age and height or skin defect of face, body, arms or legs, such as scars, pimples, warts, bruises, or changes in color | 1 | 0.334 | 0.016 | 20.44 | <0.0001 |
| Pain in ear, tooth, jaw, throat, lips, tongue; missing or crooked permanent teeth—includes wearing bridges or false teeth; stuffy, runny nose; any trouble hearing—includes wearing a hearing aid | 1 | 0.184 | 0.025 | 7.41 | <0.0001 |
| Taking medication or staying on a prescribed diet for health reasons | 1 | 0.522 | 0.016 | 33.65 | <0.0001 |
| Wore eyeglasses or contact lenses | 1 | 0.210 | 0.017 | 12.72 | <0.0001 |
| Breathing smog or unpleasant air | 1 | 0.255 | 0.020 | 12.62 | <0.0001 |
| Trouble sleeping | 1 | 0.541 | 0.012 | 43.27 | <0.0001 |
| Intoxication | 1 | 0.326 | 0.017 | 19.34 | <0.0001 |
| Problems with sexual interest or performance | 1 | 0.256 | 0.017 | 14.79 | <0.0001 |
| Excessive worry or anxiety* | 0. 291 | ||||
* Mean of the two nearest CPX items