Characteristic | Overall N = 2,005 | Mental health score ≥ 60 N = 1,429 | Mental health score < 60 N = 576 | p-value * |
---|---|---|---|---|
Sex (% female) | 73.2 | 72.2 | 75.5 | 0.13 |
Age in years: mean (S.D.) | 70.7 (9.1) | 71.2 (8.9) | 69.7 (9.4) | 0.002 |
Region (% urban) | 43.5 | 41.5 | 48.4 | 0.005 |
Income (%) | Â | Â | Â | < 0.0001 |
   ≤ $20,000 | 52.4 | 47.7 | 63.9 |  |
   > $20,000 | 30.2 | 33.2 | 22.6 |  |
   Missing | 17.5 | 19.0 | 13.5 |  |
Education (%) | Â | Â | Â | < 0.0001 |
   < high school graduation | 35.7 | 33.0 | 42.4 |  |
   High school graduation | 47.5 | 47.7 | 47.1 |  |
   Some post-secondary education | 14.9 | 17.6 | 8.3 |  |
   Missing | 2.0 | 1.8 | 2.3 |  |
Living arrangements (%) | Â | Â | Â | 0.16 |
   Lives alone | 30.3 | 29.5 | 32.1 |  |
   Lives with others | 66.4 | 67.5 | 63.7 |  |
   In long-term care | 1.4 | 1.1 | 2.1 |  |
   missing | 2.0 | 1.9 | 2.1 |  |
Race (%) | Â | Â | Â | 0.082 |
   Caucasian | 93.0 | 93.1 | 92.7 |  |
   Non-Caucasian | 3.7 | 3.2 | 4.9 |  |
   Missing | 3.3 | 3.7 | 2.4 |  |
Number of comorbidities (%) | Â | Â | Â | < 0.0001 |
   None | 29.2 | 31.0 | 24.8 |  |
   1 | 30.6 | 32.4 | 26.0 |  |
   2 | 21.0 | 19.7 | 24.3 |  |
   3+ | 19.2 | 16.9 | 24.8 |  |
Body Mass Index: mean (S.D.) | 28.1 (5.4) | 28.1 (5.2) | 28.0 (5.8) | 0.82 |
SF-36 general health scale /100: mean (S.D.) | 49.2 (22.1) | 54.7 (20.7) | 35.5 (19.2) | < 0.0001 |
WOMAC total score /100: mean (S.D.) | 40.3 (19.5) | 37.5 (18.6) | 47.3 (20.0) | < 0.0001 |
WOMAC pain score /100: mean (S.D.) | 40.5 (21.7) | 37.9 (21.0) | 46.8 (21.9) | < 0.0001 |
Mental Health Subscale score /100: Mean (S.D.) | 68.5 (20.4) | 79.0 (11.3) | 42.5 (13.2) | < 0.0001 |
Self-reported depression | Â | Â | Â | Â |
(% reporting ever depressed or other major mental illness) | 16.4 | 7.2 | 39.2 | < 0.0001 |
(% reporting treatment for depression or other major mental illness in past year) | 9.2 | 3.2 | 24.1 | < 0.0001 |