Table 5.

Multinominal logistic regression model of the best combination of variables that differentiate Insomnia and Hypersomnia groups from the ‘No Sleep Problems’ group

	Insomnia	Hypersomnia
Age at Interview		OR 0.97 (95% CI 0.95–0.99)
Diagnosis of bipolar I disorder		OR 2.12 (95% CI 1.15–3.93)
Prescribed antidepressants		OR 2.66 (95% CI 1.23–5.77)
Depressive episode	OR 9.46 (95% CI 5.13–17.47)	OR 6.26 (95% CI 3.29–11.90)
Mixed state	OR 21.38 (95% CI 6.15–74.36)	OR 7.21 (95% CI 1.89–27.49)
Hypomanic/Manic episode		OR 0.31 (95% CI 0.12–0.77)

OR, odds ratio; 95% CI, 95% confidence intervals.