Association between Chewing Problems and Sleep among Japanese Adults

Table 5

Stepwise multivariate logistic regression analysis of factors associated with short sleep duration (<6 h/day).

Variables	Adjusted odds ratio^a	95% confidence interval	value
Sex^b	1.23	1.09–1.38	0.001
Self-reported symptoms^c	1.60	1.39–1.85	<0.001
Chewing problems^c	1.30	1.11–1.52	0.001
Regular exercise^c	0.88	0.76–1.01	0.075
Overweight^c	1.41	1.23–1.60	<0.001

^aAdjusted for sex, self-reported symptoms, chewing problems, regular exercise, alcohol consumption, and being overweight; ^bfemale/male (reference was male); ^cpresence/absence (reference was absence).