Table 2.
Variables | Univariable Analysis | Multivariable Analysis | ||||
---|---|---|---|---|---|---|
Crude Odds Ratio (OR) | 95% CI of Crude OR | p-value* | Adjusted Odds Ratio (OR) | 95% CI of Adjusted OR | p-value** | |
Age < 20 years | 2.84 | 1.70–4.75 | <0.001 | |||
Male sex | 1.90 | 1.11–3.23 | 0.018 | |||
Itchy symptom | 9.25 | 4.58–18.69 | <0.001 | 7.38 | 2.87–18.99 | <0.001 |
Dandruff | 6.54 | 3.30–12.95 | <0.001 | 3.07 | 1.07–8.83 | 0.038 |
Forehead | 6.34 | 3.44–11.69 | <0.001 | 2.69 | 1.15–6.28 | 0.022 |
Scalp and hairline | 16.35 | 8.73–30.64 | <0.001 | 8.89 | 3.90–20.28 | <0.001 |
Neck | 3.22 | 1.47–7.08 | 0.004 | |||
Upper chest | 12.33 | 4.83–31.52 | <0.001 | 4.52 | 1.17–17.52 | 0.029 |
Upper back | 20.21 | 10.56–38.68 | <0.001 | 9.17 | 3.097–21.21 | <0.001 |
Oral or topical steroid use | 2.66 | 1.07–6.62 | 0.036 | |||
Topical clindamycin | 0.51 | 0.31–0.84 | 0.008 | |||
Topical benzoyl peroxide | 0.50 | 0.29–0.86 | 0.013 |
Notes: *Simple and multiple logistic regression models were used to compare the positive and negative MF groups in univariable and multivariable analyses. **Factors variables with p value less than 0.05 from the univariable analysis were entered into a backward stepwise, multiple logistic regression model. Crude and adjusted odds ratio (OR) with 95% confidence interval (CI) had been reported with significant factors with p value less than 0.05 in the final analysis.
Abbreviations: OR, odds ratio; CI, confidence interval.