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Table 1 Basic characteristics of the study participants (n = 1072)

From: Prevalence of gastro-esophageal reflux disease and its risk factors in a community-based population in southern India

Characteristics   No. of subjects (%)
Total   1072
Age (y) Median (range) 42 (20–86)
  20–29 173 (16.1)
  30–39 277 (25.8)
  40–49 275 (25.7)
  50–59 198 (18.5)
  ≥60 149 (13.9)
Sex
  Men 335 (31.3)
  Women 737 (68.7)
BMI (kg/m2)a
  <25 709 (66.1)
  25–29.9 298 (27.8)
  ≥30 65 (6.1)
  Unknown 2
Domicile
  Rural 731 (68.2)
  Urban 341 (31.8)
Educational level (years)
  Low (0–8) 344 (33.0)
  Middle (9–12) 446 (42.7)
  High (≥13) 254 (24.3)
  Unknown 28
Religion
  Hinduism 891 (85.3)
  Muslim 108 (10.3)
  Christianity 46 (4.4)
  Unknown 27
Pan masala chewing
  Never 970 (90.6)
  ever chewer 101 (9.4)
  Unknown 1
Cigarette smoking
  Never 913 (85.4)
  ever smoker 156 (14.6)
  Unknown 3
  1. aBMI, body-mass index