Table 3.
Multiadjusted odds ratios for insomnia.
| Odds Ratio* | 95% CI | P Value | |
|---|---|---|---|
| Sociodemographic factors | |||
| Age per 1 yr | .98 | .97–1.00 | .087 |
| Female | 1.88 | 1.25–2.83 | .002 |
| Clinical factors | |||
| CRP ≥ 2 mmol/L | 1.58 | 1.13–2.22 | .008 |
| Diabetes | 1.83 | 1.17–2.87 | .009 |
| Physical activity < 1 times per week | 1.47 | .93–2.31 | .100 |
| Eating fish < 3 times/wk | 1.69 | 1.21–2.36 | .002 |
| Psychosocial factors | |||
| HADS A ≥ 8 | 5.61 | 3.37–9.35 | <.001 |
| HADS D ≥ 8 | 1.76 | .99–3.13 | .054 |
| Type D personality | 1.69 | 1.02–2.81 | .043 |
*Adjusted for all variable with P ≤ .10 retained in backward elimination logistic regression analysis, likelihood ratio method. CRP = C-reactive protein, HADS-A = hospital anxiety and depression rating scale- anxiety subscale, HADS-D = hospital anxiety and depression rating scale- depression subscale, Type D = distressed type.