Table3 Results of age-adjusted Weibull accelerated failure time (AFT) survival regression model to explore potential factors associated with age at natural menopause
Factors | Parametric survival | p Value |
|---|---|---|
regression coefficient (95% CI) | ||
Age of menarche(years) | 0.00 (− 0.01, 0.01) | 0.951 |
Age at marriage | − 0.09 (− 0.43, 0.23) | 0.524 |
Gravity | − 0.11 (− 0.46, 0.23) | 0.506 |
Number of abortions | − 0.01 (− 0.02, 0.01) | 0.405 |
Parity | 0.00 (− 0.00, 0.01) | 0.223 |
BMI | ||
Underweight < 18.5 | − 0.09 (− 0.27, − 0.01) | 0.023* |
Overweight/Obese > 25 | − 0.03 (− 0.05, − 0.02) | 0.000* |
Normal 18.5–24.9 | Ref | – |
Having history of irregular(yes/no) menstrual cycle | 0.03 (− 0.01, 0.06) | 0.135 |
Smoking habitus | ||
Daily | − 0.04 (− 0.10, 0.02) | 0.205 |
Occasionally | 0.00 (− 0.11, 0.13) | 0.908 |
Never | – | – |
OCs > 6 months (yes/no) | 0.12 (0.07, 0.17) | 0.001* |