Table 2 Mean age (years) at perimenopause and menopause onset, and duration of menopause transition
Ethnicity | Average Age at Baseline (Yr.) (Range) | Average Age at Perimenopause Onset (Yr ± SEM) (Range) | Average Age at Menopause (Yr ± SEM) (Range) | Average Duration of MT (Yr ± SEM) (Range) |
|---|---|---|---|---|
African American | 45.6 (42–51) | 51.87 ± 0.24 (45–58) | 52.46 ± 0.20 (46–58) | 1.34 ± 0.07 (1–4) |
Chinese, CA | 45.6 (42–51) | 51.55 ± 0.36 (47–58) | 52.44 ± 0.26 (48–58) | 1.35 ± 0.08 (1–3) |
Japanese, JA | 46.0 (42–52) | 51.92 ± 0.25 (45–58) | 52.88 ± 0.20 (45–58) | 1.33 ± 0.08 (1–3) |
Caucasian, NHW | 45.7 (42–53) | 51.90 ± 0.18 (45–60) | 52.85 ± 0.15 (46–60) | 1.27 ± 0.04 (1–4) |
Hispanic | 47.1 (42–52) | 49.94 ± 0.66* (45–56) | 50.84 ± 0.60* (46–56) | 1.12 ± 0.13 (1–2) |