Table 4. Multivariable logistic regression analysis identifying determinants of acne prevalence.
Variable | Odds ratio | 95% confidence interval | P-value | |
Age group | 18–20 years | Reference group | Not applicable | Not applicable |
21–25 years | 2.3 | 1.8–2.9 | <0.001 | |
26–30 years | 1.9 | 1.5–2.4 | <0.001 | |
31–35 years | 1.2 | 0.9–1.6 | 0.221 | |
>35 years | 1.0 | 0.7–1.3 | 0.584 | |
Gender | Female | 1.6 | 1.3–2.0 | <0.001 |
Male | Reference group | Not applicable | Not applicable | |
Marital status | Single | 1.5 | 1.2–1.9 | 0.002 |
Married | Reference group | Not applicable | Not applicable | |
Divorced/Widowed | 1.1 | 0.8–1.5 | 0.561 | |
Lifestyle factors | High fast food consumption | 2.1 | 1.7–2.6 | <0.001 |
Low physical activity | 1.4 | 1.1–1.8 | 0.003 | |
Smoking | 1.8 | 1.4–2.3 | <0.001 | |
Perceptions | Stress contributes to acne | 2.0 | 1.6–2.5 | <0.001 |
Diet impacts acne | 1.7 | 1.3–2.2 | <0.001 |