Table 1 Mean and standard deviation (unless otherwise noted) of baseline characteristics by age at menarche in women aged 35-74Â years from the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil)
|  | Total | <11 years | 11–12 years | 13–14 years | 15–16 years | 17–18 years |
|---|---|---|---|---|---|---|
n (range)* | 6943-8075 | 574-657 | 2737-3124 | 2720-3181 | 749-912 | 166-204 |
Age at enrollment | 52.0 ± 8.8 | 51.4 ± 8.4 | 51.2 ± 8.9 | 52.3 ± 8.9 | 53.5 ± 8.7 | 53.9 ± 8.3 |
Race/skin color (% black) | 17.9 | 19.6 | 18.2 | 16.9 | 18.1 | 22.1 |
Maternal education (% ≥ high school) | 22.7 | 26.0 | 24.8 | 22.1 | 16.9 | 12.1 |
Participant education (% ≥ secondary) | 54.5 | 53.9 | 58.4 | 54.8 | 43.8 | 40.2 |
Maternal diabetes (%) | 19.9 | 22.2 | 20.0 | 19.4 | 19.2 | 21.6 |
Paternal diabetes (%) | 13.6 | 19.6 | 14.9 | 12.0 | 10.9 | 10.8 |
Premature birth (%) | 5.6 | 7.6 | 5.5 | 5.1 | 5.9 | 6.5 |
Low birth weight (%) | 8.7 | 9.9 | 8.7 | 7.5 | 12.1 | 10.8 |
PCOS (%) | 11.1 | 14.9 | 11.1 | 10.7 | 9.3 | 11.8 |
Post-menopause (%) | 59.2 | 60.4 | 56.6 | 59.6 | 64.3 | 64.7 |
Five or more births (%) | 9.8 | 9.9 | 9.6 | 9.4 | 11.5 | 11.3 |
Leg length (cm) | 74.2 ± 4.4 | 73.0 ± 4.7 | 74.0 ± 4.4 | 74.5 ± 4.2 | 74.7 ± 4.3 | 75.7 ± 4.2 |
Sitting height (cm) | 84.8 ± 3.7 | 84.7 ± 4.2 | 84.8 ± 3.9 | 84.8 ± 3.5 | 84.6 ± 3.5 | 84.4 ± 3.4 |
BMI (kg/m2) at age 20 years | 20.9 ± 3.1 | 21.9 ± 3.7 | 21.1 ± 3.1 | 20.6 ± 2.9 | 20.4 ± 3.2 | 20.0 ± 3.1 |