Table 2. Mean of natural menopausal age based on selected variables.
| Variable | Menopausal age | P value |
|---|---|---|
| Educational history | < 0.001 | |
| Illiterate | 49.7 ± 5.1 | |
| 1–5 y | 48.5 ± 4.6 | |
| 6–8 y | 48.8 ± 4.5 | |
| 9–12 y | 48.9 ± 4.1 | |
| University | 49.1 ± 4.2 | |
| Marital status | 0.110 | |
| Single | 47.3 ± 5.1 | |
| Marriage | 49.2 ± 4.7 | |
| Widow | 49.7 ± 5.4 | |
| Divorce | 49.3 ± 3.2 | |
| Soci-economic status | 0.276 | |
| Level 1 (lowest) | 49.5 ± 5.2 | |
| Level 2 | 49.4 ± 4.9 | |
| Level 3 | 49.1 ± 4.6 | |
| Level 4 | 48.9 ± 4.6 | |
| Level 5 (highest) | 49.1 ± 4.1 | |
| Residency | 0.001 | |
| Urban | 48.9 ± 4.5 | |
| Rural | 49.8 ± 5.1 | |
| Thyroid disease | 0.023 | |
| Yes | 48.8 ± 4.7 | |
| No | 49.4 ± 4.8 | |
| Diabetes | 0.226 | |
| Yes | 49.5 ± 4.9 | |
| No | 49.2 ± 4.7 | |
| Hypertension | 0.266 | |
| Yes | 49.4 ± 5.0 | |
| No | 49.2 ± 4.7 | |
| Body mass index (kg/m2) | 0.037 | |
| < 25 | 49.8 ± 5.1 | |
| 25–30 | 49.3 ± 4.8 | |
| > 30 | 49.1 ± 4.7 | |
| Smoking | 0.249 | |
| Yes | 47.4 ± 3.4 | |
| No | 49.3 ± 4.8 | |
| Waist circumference (cm) | 0.893 | |
| ≥ 88 | 49.3 ± 4.8 | |
| < 88 | 49.3 ± 4.9 | |
| Waist to hip ratio | 0.410 | |
| > 0.85 | 49.3 ± 4.8 | |
| ≤ 0.85 | 49.1 ± 4.9 |
Data are presented as mean ± standard deviation.