Table 3.

Variables associated with symptom-based GERD determined by GerdQ in the 1072 participants in south-western India

		GerdQ		Univariate	Mutually-adjusted
Variables		<8	≥8	Odds Ratio (95 % CI)	Odds Ratio (95 % CI)
Total		834	238
Age (y)
	20–29	157	16	1.0 (reference)	1.0 (reference)
	30–39	222	55	2.4 (1.3–4.4)	2.1 (1.1–3.9)
	40–49	215	60	2.7 (1.5–4.9)	2.2 (1.2–4.1)
	50–59	137	61	4.3 (2.4–7.9)	3.3 (1.7–6.3)
	≥60	103	46	4.4 (2.3–8.2)	3.0 (1.5–6.1)
Sex
	Men	250	85	1.0 (reference)	1.0 (reference)
	Women	584	153	0.7 (0.5–1.0)	0.7 (0.5–1.1)
BMI (kg/m2)a
	<25	570	139	1.0 (reference)	1.0 (reference)
	25–29.9	222	76	1.4 (1.0–1.9)	1.4 (1.0–2.0)
	≥30	42	23	2.2 (1.3–3.9)	2.3 (1.3–4.1)
Domicile
	Rural	592	139	1.0 (reference)	1.0 (reference)
	Urban	242	99	1.7 (1.3–2.3)	1.8 (1.3–2.5)
Educational level
	Low (0–8)	247	97	1.0 (reference)	1.0 (reference)
	Middle (9–12)	345	101	0.7 (0.5–1.0)	0.9 (0.6–1.3)
	High (≥13)	219	35	0.4 (0.3–0.6)	0.6 (0.4–1.0)
Religion
	Hinduism	700	191	1.0 (reference)	1.0 (reference)
	Muslim	83	25	1.1 (0.7–1.8)	1.4 (0.8–2.3)
	Christian	30	16	1.9 (1.0–3.7)	1.6 (0.8–3.1)
Pan masala chewing
	Never	768	202	1.0 (reference)	1.0 (reference)
	ever chewer	65	36	2.1 (1.4–3.3)	2.0 (1.2–3.2)
Cigarette smoking
	Never	716	197	1.0 (reference)	1.0 (reference)
	ever smoker	116	40	1.3 (0.8–1.9)	0.7 (0.4–1.2)

^a BMI, body-mass index