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Table 1 Sociodemographic characteristics and betel quid chewing behaviors (N = 7144)

From: Predictors of betel quid chewing behavior and cessation patterns in Taiwan aborigines

  Betel quid chewers (N = 3291) Never chewers (N = 3853) ORb (95% CI) aORc (95% CI)
  N (%)a N (%)a   
Gender*       
   Male 2033 (53.2) 1791 (46.8) 1.86 (1.69–2.05) † 1.14 (1.01–1.30) †
   Female 1258 (37.9) 2062 (62.1) 1.00 1.0
Age (years)*       
   >=45 1582 (48.0) 1716 (52.0) 1.15 (1.05–1.27) † 0.84(0.72–0.97) †
   <45 1709 (44.4) 2137 (55.6) 1.00 1.0
Obesity*       
   Yes 800 (55.8) 633 (44.2) 1.63 (1.45–1.84) † 1.61 (1.40–1.85) †
   No 2491 (43.6) 3220 (56.4) 1.00 1.0
Education (years)*       
   <=6 1709 (52.8) 1531 (47.3) 1.64 (1.49–1.80) † 2.02 (1.75–2.34) †
   >6 1582 (40.5) 2322 (59.5) 1.00 1.0
Marital status*       
   Married 2661 (49.1) 2762 (50.9) 1.69 (1.51–1.89) † 1.51 (1.30–1.75) †
   Single 602 (36.3) 1057 (63.7) 1.00 1.0
Ethnicity*       
   Taiwan aborigines 3018 (49.7) 3059 (50.3) 5.30 (4.28–6.56) † 3.83 (3.01–4.89) †
   Mixed-Taiwan aborigines 128 (43.1) 169 (56.9) 4.07 (2.98–5.54) † 3.01 (2.09–4.34) †
   Non-Taiwan aborigines 106 (15.7) 569 (84.3) 1.00 1.0
Alcohol consumption*       
   Yes 2480 (66.9) 1225 (33.1) 7.05 (6.33–7.84) † 4.50 (4.00–5.07) †
   No 731 (22.3) 2545 (77.7) 1.00 1.0
Cigarette smoking*       
   Yes 1821 (66.8) 906 (33.2) 4.28 (3.86–4.74) † 3.03 (2.66–3.45) †
   No 1363 (32.0) 2899 (68.0) 1.00 1.0
  1. * Significant difference in prevalence of betel quid chewing by Chi-square analysis (p < 0.05).
  2. † Significant difference by logistic regression model (p < 0.05).
  3. a May not total 100% due to rounding.
  4. b Odds ratios (OR) refer to risk of betel quid chewers (including former chewers and current chewers) versus never chewers according to each variable. OR > 1 indicates a higher likelihood of being a betel quid chewer.
  5. c aOR: adjusted odds ratio for sex, age (years), obesity, education (years), marital status, ethnicity, alcohol consumption, and cigarette smoking by logistic regression model; 95% CI: 95% confidence interval.