Table 2.

Associations of sociodemographic, medical and sleep factors with obesity.

Variables	Model A: short sleep		Model B: long sleep
	OR	95% CI	OR	95% CI
Age	0.98*	0.97–0.99	0.98*	0.98–0.99
Sex	0.64*	0.59–0.70	0.63*	0.57–0.71
Income	1.18*	1.07–1.31	1.04	0.92–1.17
Geographic residence	0.99	0.95–1.03	1.01	0.95–1.06
Smoking history	1.10*	1.06–1.14	1.06*	1.01–1.12
Drinking history	0.97*	0.95–0.98	0.96*	0.94–0.98
Hypertension	3.08*	2.77–3.43	3.03*	2.65–3.47
Heart disease	0.89	0.756–1.05	0.87	0.72–1.07
Arthritis	1.43*	1.27–1.60	1.65*	1.42–1.90
Diabetes	3.46*	2.89–4.14	2.85*	2.31–2.52
Depression	0.98	0.97–0.99	0.98	0.96–1.00
Activity limitations	0.54*	0.48–0.62	0.57*	0.48–0.67
Sleep duration + black	1.96*	1.68–2.29	1.45*	1.11–1.88
Sleep duration + white	1.23*	1.12–1.44	0.78*	0.67–0.89

The sleep duration measure included individuals who reported short sleep (≤6 h) or long sleep (≥9 h) versus those sleeping 7–8 h habitually.

^*p < 0.0001.

OR: Odds ratio.