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Table 4 Associations between smoking- and alcohol habits and microscopic colitis

From: Smoking- and alcohol habits in relation to the clinical picture of women with microscopic colitis compared to controls

  MC1 MC2
N = 78 N = 53
Crude OR 95% CI OR 95% CI Crude OR 95% CI OR 95% CI
Smoking habits     
  Never smoked (reference) 1.00 1.00 1.00 1.00
  Stopped smoking 1.36 (0.75–2.47) 1.26 (0.58–2.70) 2.96 (1.45–6.01) 2.67 (1.15–6.23)
  Current smokers 1.97 (1.12–3.45) 3.18 (1.57–6.42) 2.03 (0.94–4.34) 2.14 (0.86–5.37)
Smoking- and alcohol habits     
  Neither smoking nor drinking (reference) 1.00 1.00 1.00 1.00
  Drinking but not smoking 1.19 (0.56–2.54) 1.25 (0.52–2.97) 0.58 (0.28–1.19) 1.00 (0.42–2.42)
  Smoking but not drinking 3.49 (1.42–8.57) 5.86 (2.08–6.47) 0.56 (0.15–2.07) 0.65 (0.12–3.34)
  Both smoking and drinking 1.30 (0.55–3.08) 2.50 (0.92–6.84) 0.78 (0.34–1.80) 1.67 (0.59–4.70)
  Missing value “-” “-” “-” “-”
  1. The values for smoking- and alcohol habits are based on the month prior to the completion of the study questionnaires. OR = Odds ratio, CI = confidence interval, MC1 = persistent, primary microscopic colitis, MC2 = transient microscopic colitis. Calculations of smoking habits in MC1 were adjusted for age, physical activity, days of drinking wine/month, level of education, and employment, whereas calculations in MC2 were adjusted for age, physical activity, days of drinking wine/month and employment. Calculations of smoking- and alcohol habits were adjusted for age, physical activity, level of education, and employment in MC1 and age, physical activity, and employment in MC2.
  2. “-”, data not shown.