Table 4.
Results of univariate and multivariate logistic regression analysis applied to determine the predictors of the irregular menstrual cycle
| Predictor | Univariate | Multivariate | ||
|---|---|---|---|---|
| Odds ratio (95% CI) | p value | Odds ratio (95% CI) | p value | |
| Age (1‐point increase) | 1.002 (0.977–1.028) | 0.875 | ||
| Shift worker | 1.247 (0.941–1.653) | 0.124 | ||
| Age at menarche (1‐point increase) | 1.080 (0.971–1.201) | 0.156 | ||
| Body mass index (1‐point increase) | 1.027 (0.991–1.064) | 0.151 | ||
| COVID‐19 Stress Scales total score (1‐point increase) | 1.019 (1.013–1.025) | <0.001 | 1.015 (1.009–1.022) | <0.001 |
| DASS‐21 Anxiety Score (1‐point increase) | 1.113 (1.070–1.157) | <0.001 | 1.039 (0.976–1.106) | 0.231 |
| DASS‐21 Depression Score (1‐point increase) | 1.069 (1.036–1.103) | <0.001 | 1.024 (0.973–1.078) | 0.356 |
| DASS‐21 Stress Score (1‐point increase) | 1.092 (1.052–1.133) | <0.001 | 0.996 (0.928–1.068) | 0.903 |
Abbreviation: DASS‐21, Depression Anxiety Stress Scales‐21.