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. 2009 Aug 13;18(6):445–450. doi: 10.1136/tc.2008.028142

Table 6.

Frequency of smoking per day in relation to locality and gender

Variables Mean† (95% CI) Adjusted regression coefficient (95% CI)
Area
    Rural* 10.69 (10.41 to 10.97)
    Urban 7.87 (7.63 to 8.11) −0.143 (−0.157 to −0.129)
Sex
    Male* 9.60 (9.40 to 9.80)
    Female 5.76 (5.30 to 6.22) −0.313 (−0.345 to −0.281)
Type of smoking
    Cigarette* 8.08 (7.89 to 8.27)
    Bidi and others 13.24 (12.82 to 13.66) 0.319 (0.305 to 0.333)

*Reference group; †geometric mean, adjusted for other sociodemographic variables.