Table 3.

Factors associated with excessive daytime sleepiness: results of multivariate analysis

	B	OR	95% CI	P
Sex (reference: male)
Male*	0.288	1.333	1.062–1.674	0.013
Age (years) (reference: 20–29)
30–39	0.109	1.115	0.820–1.515	0.488
40–49	− 0.259	0.772	0.550–1.084	0.134
50–59*	− 0.505	0.604	0.418–0.871	0.007
60–69*	− 0.397	0.672	0.454–0.995	0.047
Marital status (reference: unmarried)
Married	− 0.113	0.893	0.686–1.163	0.403
Divorced/widowed	− 0.441	0.643	0.373–1.109	0.112
Employment status (reference: unemployed)
Employed*	0.256	1.292	1.017–1.641	0.036
Monthly income(USD; reference: < 1600)
1600–2399	0.149	1.160	0.822–0.1639	0.398
2400–3199	0.029	1.029	0.721–0.1470	0.873
3200–3999	− 0.079	0.924	0.635–1.345	0.681
4000–4799	− 0.022	0.978	0.657–1.456	0.912
4800–5599	− 0.811	0.444	0.261–0.756	0.003
1600–2399	0.029	1.030	0.713–0.713	0.875
Alcohol consumption (reference: non-alcoholics)	− 0.299	0.741	0.481–1.142	0.175
Smoking (reference: non-smoker)	0.105	1.111	0.829–1.489	0.48

CI confidence interval, OR odds ratio, USD United States dollar

*p < 0.05