Table 3.

ORs (with 95% CIs) for nGER at baseline by insufficient sleep.

	nGER
	Unadjusted OR (95% CI)	Adjusted OR (95% CI)
Sufficient sleep	1.00	1.00
Insufficient sleep (and ≥ 6 hours/night sleep)	1.85 (1.54–2.23)	1.62 (1.31–1.99)
Short sleep (< 6 hours/night)	3.22 (2.69–3.86)	2.32 (1.87–2.88)

Unadjusted analysis and analysis adjusted for age, body mass index, smoking status, caffeine consumption, alcohol dependence, physical activity level, depression, anxiety, and snoring. CI = confidence interval, nGER = nocturnal gastroesophageal reflux, OR = odds ratio.