Table 5. Univariate and multivariate logistic regression analyses for khat chewing-related factors among study participants.
| Category | Univariate | Multivariate# | ||||
|---|---|---|---|---|---|---|
| OR | 95% C.I. | P. Value | OR | 95% C.I. | P. Value | |
| Gender | ||||||
| Female* | 1 | 1 | ||||
| Male | 5.7 | 4.7–6.9 | 0.000 | 2.2 | 1.7–2.9 | 0.000 |
| Educational level | ||||||
| Literate* | 1 | 1 | ||||
| Illiterate | 1.1 | 1.04–1.18 | 0.002 | 1.5 | 1.0–2.0 | 0.033 |
| Age groups | ||||||
| 12- 25years* | 1 | 1 | ||||
| 25–44 years | 1.6 | 1.3–1.9 | 0.000 | 1.4 | 1.0–1.9 | 0.061 |
| 45+years | 0.8 | 0.71–1.0 | 0.052 | 0.9 | 0.7–1.2 | 0.592 |
| Working status | ||||||
| Not working* | 1 | 1 | ||||
| Working | 2.0 | 1.8–2.3 | 0.000 | 1.1 | 1.0–2.0 | 0.227 |
| Marital status | ||||||
| Single* | 1 | 1 | ||||
| Married | 0.64 | 0.56–74 | 0.000 | 1.9 | 1.0–3.7 | 0.060 |
| Divorced | 1.10 | 0.76–1.6 | 0.610 | 1.4 | 0.8–2.7 | 0.275 |
| Widowed | 1.1 | 0.71–1.7 | 0.667 | 1.1 | 0.5–2.3 | 0.870 |
| Participant smoking | ||||||
| No* | 1 | 1 | ||||
| Yes | 4.34 | 3.7–5.03 | 0.000 | 3.9 | 3.2–4.7 | 0.000 |
| Friend’s smoking | ||||||
| No* | 1 | |||||
| Yes | 11.1 | 8.7–14.3 | 0.000 | 2.2 | 1.7–3.0 | 0.000 |
| Friend using khat | ||||||
| No* | 1 | 1 | ||||
| Yes | 36.8 | 24.6–55.1 | 0.000 | 20.1 | 12.4–32.5 | 0.000 |
* Reference category.
# Adjusted for other variables in the table.