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Table 4 Adjusted odds ratio* for low BMI (<18.5)by frequency of tobacco use (Non tobacco users with normal BMI 18.5–25.0 were referent category)

From: Association between tobacco use and body mass index in urban Indian population: implications for public health in India

  OR (95% CI)
Tobacco use Men Women
Never users 1.0 1.0
Frequency of use per day
Smoking   
1–5 1.31 (1.17 to 1.45) 1.50 (1.01 to 2.21)
6–10 1.81 (1.62 to 2.01) 2.02 (1.04 to 3.90)
≥ 11 2.11 (1.93 to 2.30) 2.20 (1.28 to 3.79)
Smokeless   
1–2 1.25 (1.13 to 1.38) 1.46 (1.38 to 1.55)
3–5 1.39 (1.28 to 1.52) 1.59 (1.50 to 1.69)
6–10 1.25 (1.14 to 1.38) 1.72 (1.58 to 1.88)
≥ 11 1.40 (1.20 to 1.62) 2.08 (1.77 to 2.45)
  1. *Results are controlled for age and level of education
  2. All ORs and trends were highly significant (p < 0.0001)