| n (%) | OR (95% CI) * | P for effect modification |
---|---|---|---|
Economic status | Â | Â | 0.83 |
 Difficult/careful/loan | 355 (13.4) | 1.89 (1.00–3.57) |  |
 Fair | 1796 (67.9) | 1.44 (0.92–2.28) |  |
 Good | 493 (18.6) | 1.28 (0.36–4.57) |  |
Health level | Â | Â | 0.59 |
 Fair/poor/very poor | 587 (22.9) | 1.33 (0.81–2.18) |  |
 Good | 1539 (60.0) | 1.82 (1.07–3.09) |  |
 Very good | 438 (17.1) | 1.95 (0.53–7.07) |  |
Sleep quality | Â | Â | 0.51 |
 Fair/poor/very poor | 1292 (50.8) | 1.49 (0.99–2.26) |  |
 Good/very good | 1250 (49.2) | 1.74 (0.90–3.37) |  |