Association between Chewing Problems and Sleep among Japanese Adults

Table 4

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

Variables	Crude odds ratio	95% confidence interval	value
Sex^a	1.22	1.09–1.37	<0.001
Age	0.995	0.99–1.00	0.175
Self-reported medical history^b	1.09	0.97–1.21	0.141
Self-reported symptoms^b	1.69	1.47–1.95	<0.001
Chewing problems^b	1.34	1.15–1.57	<0.001
Regular exercise^b	0.81	0.70–0.94	0.005
Smoking habit^b	0.99	0.84–1.16	0.885
Alcohol consumption^b	0.82	0.70–0.96	0.011
Overweight^b	1.34	1.18–1.53	<0.001
Poor glycemic control^b	1.13	0.85–1.50	0.397

^aFemale/male (reference was male); ^bpresence/absence (reference was absence).