Table 5

Adjusted odds ratio* for three categories of low BMI and frequency of tobacco use(Non-tobacco users with normal BMI 18.5–25.0 were referent category)

Frequency of tobacco use/day

Smoking (Men)

Mild thinness (BMI 17.0–18.5)

Moderate thinness (BMI 16.0–17.0)

Severe thinness (BMI<16.0)

1–5

1.21 (1.06 to 1.39)

1.37 (1.13 to 1.68)

1.45 (1.19 to 1.77)

6–10

1.68 (1.46 to 1.93)

1.93 (1.58 to 2.35)

1.97 (1.62 to 2.39)

> = 11

1.86 (1.66 to 2.09)

2.22 (1.88 to 2.62)

2.54 (2.17 to 2.98)

Smokeless (Women)

1–2

1.32 (1.22 to 1.43)

1.50 (1.34 to 1.68)

1.72 (1.55 to 1.90)

3–5

1.46 (1.35 to 1.57)

1.71 (1.53 to 1.91)

1.76 (1.59 to 1.95)

6–10

1.59 (1.42 to 1.78)

1.63 (1.38 to 1.92)

2.05 (1.78 to 2.35)

> = 11

1.84 (1.48 to 2.29)

2.46 (1.87 to 3.24)

2.19 (1.70 to 2.84)

* Results are controlled for age and level of education

Pednekar et al. BMC Public Health 2006 6:70   doi:10.1186/1471-2458-6-70