Table 3.
Model I | Model II | Model III | Model IV | Model V | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Odds Ratio | 95% CI | Odds Ratio | 95% CI | Odds Ratio | 95% CI | Odds Ratio | 95% CI | Odds Ratio | 95% CI | |
Insomnia symptoms | 1.65*** | 1.55–1.75 | 1.66*** | 1.54–1.79 | 1.63*** | 1.51–1.75 | 1.60*** | 1.49–1.72 | 1.61*** | 1.50–1.73 |
Worsening insomnia | 1.42*** | 1.33–1.52 | 1.45*** | 1.34–1.57 | 1.45*** | 1.34–1.57 | 1.44*** | 1.32–1.57 | 1.44*** | 1.33–1.56 |
Age | 1.01* | 1.00–1.02 | 1.01† | 1.00–1.02 | 1.01† | 1.00–1.02 | 1.01* | 1.00–1.02 | ||
Female | 1.22* | 1.00–1.48 | 1.19† | 0.98–1.45 | 1.20† | 0.97–1.48 | 1.16 | 0.94–1.44 | ||
Black | 0.51*** | 0.40–0.67 | 0.50*** | 0.39–0.65 | 0.49*** | 0.38–0.64 | 0.51*** | 0.40–0.66 | ||
Other | 0.90 | 0.61–1.34 | 0.89 | 0.60–1.34 | 0.91 | 0.61–1.37 | 0.97 | 0.64–1.47 | ||
Education | 1.03† | 1.00–1.06 | 1.03* | 1.00–1.06 | 1.04* | 1.00–1.07 | 1.03* | 1.00–1.06 | ||
Household income ($10.000) | 1.00 | 0.99–1.01 | 1.00 | 0.99–1.01 | 1.00 | 0.99–1.01 | 1.00 | 0.99–1.01 | ||
Drinks per day | 0.93* | 0.87–1.00 | 0.92* | 0.86–0.99 | 0.92* | 0.86–0.99 | ||||
Current smoker | 0.94 | 0.69–1.29 | 0.94 | 0.67–1.31 | 0.92 | 0.66–1.29 | ||||
Self-reported health | 1.07 | 0.80–1.43 | 1.05 | 0.78–1.42 | 1.06 | 0.79–1.43 | ||||
Chronic health conditions | 1.05 | 0.98–1.13 | 1.03 | 0.96–1.11 | 1.01 | 0.94–1.08 | ||||
Troubled with pain | 1.06 | 0.90–1.24 | 1.03 | 0.87–1.21 | 1.02 | 0.86–1.20 | ||||
Depressive symptoms | 1.05* | 1.01–1.10 | 1.03 | 0.98–1.08 | ||||||
Psychiatric medication use | 1.58*** | 1.25–2.01 | ||||||||
X 2 (df) | 260.06 (2)*** | 222.13 (8)*** | 343.55 (13)*** | 340.73 (14)*** | 355.95 (15)*** |
Notes: CI = confidence interval.
Sample n: Model 1 = 8,295; Model 2 = 7,014; Model 3 = 6,955; Model 4 = 6,684; Model 5 = 6,682; Wald chi-squares reported.
*p < .05. **p < .01. ***p < .001. † p<.10.