Demographic information for the five groups.
| Pre-menopause n = 42 | Peri-menopause n = 25 | Post-menopause n = 38 | HRT n = 36 | Pill n = 31 | All n = 172 | |
|---|---|---|---|---|---|---|
| Mean age in years (SD) | 33.68 (6.04) | 45.44 (4.94) | 55.63 (6.27) | 55.03 (6.64) | 34.74 (7.88) | 45.70 (11.01) |
| Age range (years) | 26–52 | 38–55 | 43–64 | 39–64 | 26–51 | 26–64 |
HRT = hormone replacement therapy; SD = standard deviation.