Table 1.
Descriptive statistics of predictors and characteristics of participants in 2nd and 5th follow-up visits
| Variables | 2nd follow-up visit (n = 220) |
5th follow-up visit (n = 220) |
|
|---|---|---|---|
| Age, years, Median (IQR) | 42 (37–45) | 51 (47–55) | |
| BMI, kg/m2, mean ± SD | 28.16 ± 4.45 | 28.20 ± 4.60 | |
| Educational level, years, N (%) | < 6 | 0 (0) | 0 (0) |
| 6 to 12 | 183 (83.2) | 181 (82.3) | |
| > 12 | 37 (16.8) | 39 (17.7) | |
| Marital status, N (%) | single | 13 (5.9) | 12 (5.4) |
| married | 207 (94.1) | 208 (94.6) | |
| Menarche age, Median (IQR) | 13 (13–14) | 13 (13–14) | |
| Physical activity* | low | 166 (75.5) | 166 (75.5) |
| high | 54 (24.5) | 54 (24.5) | |
| Parity, Median (IQR) | 2 (2–3) | 2 (2–3) | |
| Smoking, N (%) | never | 210 (95.5) | 210 (95.5) |
| ever | 10 (4.5) | 10 (4.5) | |
| AMH (ng/ml) | 0.68 (0.22–1.35) | 0.06 (0.03–0.45) | |
| Heavy metals (µg/l), Median (IQR): | |||
| Cu | 1045 (797.80-1344.40) | 1485 (1031–1920) | |
| Al | 14.88 (12.52–19.12) | 16.08 (12.24–21.88) | |
| Pb | 25.24 (44.24–33.70) | 13.12 (9.62–21.16) | |
| Cr | 1.96 (1.33–3.04) | 3.24 (2.07–4.29) | |
*Physical activity: low (less than 600 MET minutes per week), high (at least 600 MET minutes per week and above)