Table 2.
Unadjusted mean age at menopause for REGARDS interview respondents with natural and surgical menopause.
| Natural (n = 10,440) |
Surgical (n = 9,944) |
|||||
|---|---|---|---|---|---|---|
| Region | Age | STD | p-value | Agec | STD | p-value |
| South | 48.7 | 6.5 | -- | 39.5 | 8.7 | -- |
| Northeast | 49.7 | 5.8 | <0.0001 | 40.7 | 8.4 | 0.002 |
| Midwest | 49.4 | 6.1 | 0.0002 | 40.4 | 8.8 | 0.0002 |
| West | 49.6 | 6.1 | <0.0001 | 41.0 | 8.4 | <0.0001 |
|
| ||||||
| Race | ||||||
| White | 49.2 | 5.9 | -- | 39.5 | 8.7 | -- |
| Black | 48.8 | 6.8 | 0.003 | 40.0 | 8.7 | 0.004 |
|
| ||||||
| Age | ||||||
| <55 | 46.4 | 5.4 | -- | 38.2 | 7.6 | -- |
| 55-64 | 49.1 | 6.1 | <0.0001 | 38.7 | 8.4 | 0.13 |
| 65-74 | 49.4 | 6.7 | <0.0001 | 40.3 | 8.6 | <0.0001 |
| ≥75 | 49.3 | 6.6 | <0.0001 | 42.5 | 9.5 | <0.0001 |
|
| ||||||
| Parity | ||||||
| 0 | 48.3 | 6.5 | -- | 38.7 | 9.0 | -- |
| 1 | 48.4 | 6.5 | 0.79 | 38.8 | 8.7 | 0.86 |
| ≥ 2 | 49.2 | 6.3 | <0.0001 | 40.1 | 8.6 | <0.0001 |
|
| ||||||
| Annual income | ||||||
| < $20,000 | 48.4 | 7.1 | -- | 39.3 | 9.3 | -- |
| $20,000-34,999 | 49.1 | 6.3 | <0.0001 | 39.6 | 8.4 | 0.20 |
| $35,000-74,999 | 49.4 | 5.8 | <0.0001 | 39.7 | 8.1 | 0.08 |
| ≥$75,000 | 49.3 | 5.4 | <0.0001 | 40.1 | 8.2 | 0.02 |
| Refused | 49.0 | 6.7 | 0.0010 | 40.6 | 9.1 | <0.0001 |
|
| ||||||
| Education level | ||||||
| < HS | 48.1 | 7.5 | -- | 39.3 | 9.5 | -- |
| Graduated HS | 48.9 | 6.5 | <0.0001 | 39.4 | 8.8 | 0.83 |
| Some collegea | 49.0 | 6.4 | <0.0001 | 39.6 | 8.5 | 0.33 |
| Graduated college | 49.6 | 5.6 | <0.0001 | 40.8 | 8.0 | <0.0001 |
|
| ||||||
| Self-reported history of CVDb | ||||||
| No | 49.1 | 6.2 | -- | 40.0 | 8.5 | -- |
| Yes | 48.6 | 6.9 | 0.003 | 39.0 | 9.1 | <0.0001 |
|
| ||||||
| Physical activity per week | ||||||
| none | 48.7 | 6.6 | -- | 39.8 | 8.8 | -- |
| 1-3 | 49.3 | 6.1 | <0.0001 | 39.8 | 8.6 | 0.96 |
| ≥4 | 49.2 | 6.2 | 0.002 | 39.7 | 8.6 | 0.56 |
|
| ||||||
| Smoking | ||||||
| Never | 49.4 | 6.3 | -- | 40.6 | 8.7 | -- |
| Current | 47.4 | 6.5 | <0.0001 | 37.3 | 8.4 | <0.0001 |
| Past | 49.1 | 6.3 | 0.02 | 39.6 | 8.6 | <0.0001 |
a
Indicates some college, trade school or technical classes taken
b
Reported personal history of myocardial infarction, stroke, TIA, carotid endarterectomy, coronary intervention, repair of aortic aneurysm and/or peripheral artery intervention
c
Age equal to age at hysterectomy and/or oophorectomy