Table 1. Comparison of the demographic characteristics of the study participants in intervention(black cohosh) and control groups (placebo).
| Variables |
Intervention group
Mean (SD) |
Control group
Mean (SD) |
Statistical
indicators |
| Age (years) | 51.47 (4.09) | 51.76 (4.2) | t = 0.78, df = 82, p = 0.43 |
| Length of menopause (months) | 40.88 (31.7) | 38.19 (35.7) | t = 0.71, df = 82, p = 0.71 |
| Systolic BP | 115.71 (13.5) | 115.23 (8.6) | t = 0.19, df = 82, p = 0.84 |
| Diastolic BP | 79.28 (60.7) | 77.38 (6.6) | t = 1.30, df = 82, p = 0.19 |
| BMI | 27.63 (3.64) | 26.30 (2.97) | t = 1.83, df = 82, p = 0.07 |
| Education | N (%) | N (%) | |
| Elementary | 9 (21.4) | 6 (14.3) | χ2 = 4.49 |
| Secondary | 4 (9.5) | 11 (26.2) | df = 3 |
| High-school | 20 (47.6) | 19 (45.2) | p = 0.21 |
| Academic | 9 (21.4) | 6 (14.3) | |
| Employment | |||
| Housewife | 33 (78.6) | 33 (78.6) | χ2 = 0.22 |
| Employed | 4 (9.5) | 5 (11.9) | df = 2 |
| Retired | 5 (11.9) | 4 (9.5) | p = 0.89 |
| Income adequacy | |||
| Yes | 15 (35.7) | 14 (33.3) | χ2 = 0.17 |
| No | 3 (7.1) | 4 (9.5) | df = 2 |
| To some extent | 24 (51.7) | 24 (57.1) | p = 0.91 |
| Exercise | |||
| Never | 7 (16.7) | 10 (23.8) | χ2 = 0.71 |
| Sometimes | 15 (35.7) | 13 (31) | df = 3 |
| Often | 13 (31) | 12 (38.6) | p = 0.87 |
| Always | 7 (16.7) | 7 (16.7) | |
| Marital status | |||
| Single | 1 (2.4) | 2 (4.8) | χ2 = 3.54 |
| Married | 40 (95.2) | 36 (85.7) | df = 3 |
| Divorced | 1 (2.4) | 1 (2.4) | p = 0.31 |
| Widow | 0 (0) | 3 (3.6) | |
| Total | 42 (100) | 42 (100) | |