Table 3.

Factors Associated with the Presence of Insomnia

	Odds Ratio	95% CI	P value
Age (years)	1.02	1.00–1.05	0.04
Female	1.55	0.72–3.36	0.26
Married	0.70	0.33–1.50	0.37
Educated‡	1.05	0.37–2.97	0.93
Ever smoked	1.61	0.27–9.55	0.60
Coffee/tea intake	0.57	0.17–1.95	0.37
BMI ≥30 kg/m2	3.32	1.15–9.62	0.03
Allergic rhinitis	1.01	0.52–1.97	0.97
GERD	0.41	0.17–0.96	0.04
Partially controlled asthma	8.45	3.68–19.39	0.001
Uncontrolled asthma	3.59	1.49–8.64	0.004

Note: ^‡Educated: achieved more than primary school.

Abbreviations: BMI, body mass index; CI, confidence interval; GERD, gastroesophageal reflux disease.