Risk factors | Total (%) | Case (%) | P value | Crude OR (95 % CI) | P value | Adjusted OR (95 % CI) |
---|---|---|---|---|---|---|
Age (mean ± SD) | 21.2 (±1.0) | 21.0 (±1.0) | 0.033 | 0.5 (0.3–0.9) | 0.036 | 0.5 (0.3–1.0) |
Education | ||||||
Bachelor | 8 (4) | 3 (37.5) | 1 | |||
High vocational certificate | 14 (7) | 4 (28.6) | 0.666 | 0.7 (0.1–4.2) | ||
Vocational certificate | 22 (10.9) | 5 (22.7) | 0.423 | 0.5 (0.1–2.8) | ||
High school | 106 (52.7) | 19 (17.9) | 0.191 | 0.4 (0.1–1.7) | ||
Secondary school | 51 (25.4) | 7 (13.7) | 0.112 | 0.3 (0.1–1.4) | ||
Subunit | ||||||
1 | 54 (25.4) | 20 (37) | 0.001 | 30.6 (3.9–238.6) | 0.001 | 32.6 (4.1–260.6) |
2 | 51 (23.9) | 16 (31.4) | 0.003 | 23.8 (3.0–187.5) | 0.002 | 26.9 (3.3–218.2) |
3 | 55 (25.8) | 4 (7.3) | 0.216 | 4.1 (0.4–37.7) | 0.178 | 4.6 (0.5–44.1) |
4 | 53 (24.9) | 1 (1.9) | 1 | |||
BMI (kg/m2) | ||||||
Underweight <18.5 | 27 (12.7) | 7 (25.9) | 0.275 | 1.7 (0.6–4.6) | ||
Normal range (18.5–22.9) | 119 (55.9) | 20 (16.8) | 1 | |||
At risk of obesity (23–24.9) | 29 (13.6) | 5 (17.2) | 0.955 | 1.0 (0.4–3.0) | ||
Obese I (25–29.9) | 29 (13.6) | 7 (24.1) | 0.362 | 1.6 (0.6–4.2) | ||
Obese II (≥30) | 9 (4.2) | 2 (22.2) | 0.679 | 1.4 (0.3–7.3) | ||
Multiple erythematous papules | ||||||
Yes | 86 (39.0) | 27 (31.4) | <0.01 | 3.7 (1.8–7.6) | <0.01 | 3.4 (1.5–7.5) |
No | 127 (59.6) | 14 (11) | 1 |