Univariable regression | Multivariable regression# | |||
OR (95% CI) | p-value | OR (95% CI) | p-value | |
PCOS | 1.50 (1.14–1.98) | 0.004 | 1.34 (1.00–1.79) | 0.047 |
Age years | 0.94 (0.89–0.99) | 0.02 | 0.94 (0.89–0.99) | 0.01 |
BMI kg·m−2 | ||||
<18.5 | 0.97 (0.63–1.51) | 0.90 | 0.97 (0.62–1.50) | 0.89 |
18.5–24.9 | Reference category | Reference category | ||
25.0–29.9 | 1.24 (1.03–1.50) | 0.03 | 1.24 (1.02–1.50) | 0.03 |
≥30.0 | 1.82 (1.50–2.21) | <0.001 | 1.77 (1.46–2.15) | <0.001 |
Smoking | 1.01 (0.84–1.22) | 0.89 | 0.99 (0.82–1.20) | 0.92 |
OCP use | 1.00 (0.82–1.22) | 0.97 |
PCOS: polycystic ovary syndrome; BMI: body mass index; OCP: oral contraceptive pill. #: adjusted for age, BMI and smoking status.