Table 2.
Univariate analysis of factors associated with smoking among male college students in Karachi, Pakistan.
| Characteristics | Smoking status | Crude OR | 95% C.I for OR | |
| Non-smoker n = 437 | Smoker n = 139 | |||
| Type of school | ||||
| Private | 232 (53.1) | 59 (42.4) | 1.0 | - |
| Government | 205 (46.9) | 80 (57.1) | 1.5 | (1.0–2.2) |
| Age of the respondent: | ||||
| Average age of respondent (S.E) | 17.5 (1.3) | 18.1 (1.8) | 1.3 | (1.1 – 1.5) |
| Father's education level | ||||
| No formal schooling | 205 | 78 | 1.7 | (0.9 – 3.2) |
| Primary (1–5) | 97 | 30 | 1.4 | (0.7 – 2.7) |
| Middle (6–8) | 34 | 8 | 1.1 | (0.4 – 2.7) |
| Matric (9–10) | 22 | 6 | 1.2 | (0.4 – 3.5) |
| Intermediate & above (11 onwards) | 79 | 17 | 1.0 | - |
| Mother's occupation | ||||
| Not working | 416 | 135 | 1 | - |
| Working | 21 | 4 | 1.7 | (0.5 – 5.0) |
| Area of Residence | ||||
| Gadap | 47 | 16 | 1.02 | (0.5 – 2.1) |
| Bin-Qasim | 241 | 77 | 0.959 | (0.5 – 1.5) |
| Malir | 62 | 17 | 0.823 | (0.4 – 1.6) |
| Other | 87 | 29 | 1.0 | - |
| Uncle smoking | ||||
| No | 316(72.3) | 89(64.0) | 1.0 | |
| Yes | 121(27.7) | 50(36.0) | 1.5 | (0.9–2.1) |
| Grant parent smoking | ||||
| No | 414(94.7) | 127(91.4) | 1.0 | - |
| Yes | 23(5.3) | 12(8.6) | 1.7 | (0.8–3.5) |
| Friends smoking | ||||
| No | 293(67.0) | 38(27.3) | 1.0 | |
| yes | 144(33.0) | 101(72.7) | 5.4 | (3.5–8.2) |
| Read Books | ||||
| Yes | 275(62.9) | 76(54.7) | 1.0 | |
| No | 162(37.1) | 63(45.3) | 1.4 | (0.9–2.1) |
| Play Games | ||||
| Yes | 264(60.4) | 73(52.5) | 1.0 | |
| No | 173(39.6) | 66(47.5) | 1.4 | (0.9–2.0) |
| Access computer in leisure time | ||||
| Yes | 417(95.4) | 124(89.2) | 1.0 | |
| No | 20(4.6) | 15(10.8) | 2.5 | (1.2–5.1) |
| Watch tobacco promotion adds on electronic media | ||||
| No | 232(53.1) | 54(38.8) | 1.0 | |
| Yes | 205(46.9) | 85(61.2) | 1.8 | (1.2–2.6) |