Table 1. Some characteristics of the participants in the two groups of drug and placebo.
| Characteristic | Drug | Placebo | P value | |
|---|---|---|---|---|
| Age (y) | 54.6 ± 3.8 | 54.7 ± 4.6 | 0.09 | |
| Mean time after the last menstruation (mo) | 18.8 ± 3.3 | 18.8 ± 3.9 | 0.42 | |
| Age at menarche (y) | 12.4 ± 1.5 | 12.1 ± 1.5 | 0.94 | |
| No. of pregnancies | 5.8 ± 1.4 | 5.5 ± 1.5 | 0.26 | |
| No. of deliveries | 6.0 ± 1.5 | 5.9 ± 1.6 | 0.98 | |
| Education | Elementary | 24 (48.0) | 23 (46.0) | 0.5 |
| Up to diploma | 26 (52.0) | 27 (54.0) | ||
| Exercise | Yes | 32 (64.0) | 33 (66.0) | 0.5 |
| No | 18 (36.0) | 17 (34.0) | ||
| Smoking | Yes | 41 (82.0) | 41 (82.0) | 0.6 |
| No | 9 (18.0) | 9 (18.0) | ||
| Marital status | Single | 14 (28.0) | 14 (28.0) | 0.97 |
| Married | 23 (46.0) | 22 (44.0) | ||
| Divorced | 13 (26.0) | 14 (28.0) | ||
| Body mass index | Thin (< 20 kg/m2) | 0 | 0 | 0.98 |
| Normal (20–24.9 kg/m2) | 14 (28.0) | 14 (28.0) | ||
| Overweight (25–29.9 kg/m2) | 23 (46.0) | 23 (46.0) | ||
| Obese (≥ 30 kg/m2) | 13 (26.0) | 13 (26.0) | ||
Data are presented as mean ± standard deviation or number (%).