Table 2 Determinants of Smoking cessation, Smoking intensity and Age of smoking initiation in crude and adjusted variables
| Variable | Smoking cessation | Smoking intensity | Age of smoking initiation | ||||
|---|---|---|---|---|---|---|---|
|
Crude OR (95%CI) | Adjusted OR (95%CI) |
Crude IRR (95%CI) | Adjusted IRR (95%CI) |
Crude coefficient (95%CI) | Adjusted coefficient (95%CI) | ||
| Gender | Male | 1 | 1 | 1 | 1 | 1 | 1 |
| Female | 2.56 (1.97_3.32) | 2.03 (1.47_2.80) | 0.54 (0.52_0.56) | 0.49 (0.47_0.52) | 5.57 (4.53_6.62) | 4.08 (2.94_5.22) | |
| Age group | 35_45 | 1 | 1 | 1 | 1 | 1 | |
| 46_55 | 1.77 (1.41_2.22) | 1.83 (1.44_2.33) | 1.14 (1.11_1.18) | 1.09 (1.06_1.12) | −0.5(−1.41_0.37) | ||
| 56_65 | 3.36 (2.66_4.26) | 3.58 (2.71_4.72) | 1.06 (1.03_1.09) | 1.10 (1.06_1.13) | 2.17 (1.23_3.11) | ||
| Marital status | Married | 1 | 1 | 1 | 1 | ||
| Single | 0.26 (0.10_0.68) | 0.77 (0.70_0.85) | 0.87 (0.78_0.96) | 0.68(−2.32_3.69)- | |||
| Divorced/widow/widower | 1.54 (0.87_2.44) | 0.81 (0.76_0.86) | 1.35 (1.26_1.46) | 3.86 (1.88_5.83) | |||
| Education | Illiterate | 1 | 1 | 1 | 1 | 1 | 1 |
| ≤ 5 years | 0.75 (0.59_0.95) | 1.30 (0.59_0.95) | 1.11 (1.08_1.14) | 0.94 (0.91_0.98) | −2.96(−3.96_-1.95) | −1.59(− 2.64_-0.54) | |
| 6_9 years | 0.48 (0.37_0.63) | 1.01 (0.37_0.63) | 1.06 (1.03_1.10) | 0.89 (10.86_0.93) | −2.70(−3.79_-1.62) | −1.02(− 2.20_-0.14) | |
| 10_12 years | 0.58 (0.43_0.78) | 1.36 (0.43_0.78) | 0.89 (0.86_0.93) | 0.77 (0.73_0.80) | −2.55(− 3.79_-1.31) | −1.21(− 2.54_-0.11) | |
| High school/ academic | 0.84 (0.57_1.25) | 2.02 (0.57_1.25) | 0.57 (0.53_0.60) | 0.50 (0.46_0.53) | −2.23(−3.79_-0.59) | −1.83(− 3.57_-0.83) | |
| Place of resident | Urban | 1 | 1 | 1 | |||
| Rural | 0.86 (0.71_1.02) | 1.02 (1.00_1.05) | 0.75 (0.40_1.54) | ||||
| Income status | Lowest | 1 | 1 | 1 | |||
| Lower | 0.94 (0.71_1.25) | 1.14 (1.11_1.19) | 0.09(−1.09_1.28) | ||||
| Middle | 0.92 (0.69_1.23) | 1.15 (1.11_1.19) | −1.21(−2.40_-0.30) | ||||
| Higher | 0.86 (0.65_1.15) | 0.99 (0.95_1.02) | −1.32(−2.51_-0.13) | ||||
| Highest | 1.02 (0.77_1.36) | 0.93 (0.89_0.96) | −1.60(−2.81_-0.39) | ||||
| BMI | 18.4≤ | 1 | 1 | 1 | 1 | 1 | |
| 18.5_24.9 | 2.10 (1.12_3.94) | 2.66 (1.39_5.12) | 0.80 (0.76_0.85) | 0.84 (0.79_0.89) | 1.34(−0.82_3.50) | ||
| 25.0–29.9 | 3.18 (1.71_5.93) | 4.16 (2.17_7.95) | 0.82 (0.77_0.86) | 0.87 (0.82_0.93) | 1.52(−0.62_3.67) | ||
| 30.0–34.9 | 4.48 (2.34_8.58) | 5.98 (3.04_11.7) | 0.78 (0.73_0.83) | 0.85 (0.80_0.91) | 1.27(−1.00_3.56) | ||
| > 35 | 5.16 (2.38_11.1) | 6.50 (2.87_14.6) | 0.79 (0.73_0.86) | 1.04 (0.95_1.13) | 3.56 (0.70_6.42) | ||
| Childhood SHS | No | 1 | 1 | 1 | 1 | 1 | |
| Yes | 1.14 (0.94_1.38) | 1.03 (1.09_1.14) | 1.12 (1.00_1.26) | 1.12 (1.09_1.14) | −0.94(−1.71_-0.18) | ||
| Current SHS | No | 1 | 1 | 1 | 1 | 1 | |
| Yes | 0.83 (0.68_1.00) | 0.68 (0.52_0.87) | 1.10 (1.11_1.17) | 1.14 (1.06_1.41) | −0.38(−1.19_0.42) | ||
| Smoking intensity | Light smokers | 1 | 1 | – | – | 1 | 1 |
| Medium smokers | 0.65 (0.50_0.84) | 0.68 (0.51_0.91) | −3.54(−4.62_-2.45) | −2.91(−3.99_-1.84) | |||
| Heavy smokers | 0.55 (0.45_0.68) | 0.57 (0.54_0.71) | −4.82(−5.64_ − 4.01) | -4.01(−4.85_-3.16) | |||
| Age of smoking initiation | 18≥ | 1 | 1 | 1 | 1 | – | – |
| > 19 | 0.75 (0.58_0.86) | 0.71 (0.58_0.86) | 0.71 (0.70_0.73) | 0.71 (0.70_0.73) | |||