Table 1.
Baseline characteristics of BioCycle study participants
| Baseline characteristics | |
|---|---|
| Sociodemographics | N=259 |
| Age, years | 27.3 (8.2) |
| Age, years (n, %) | |
| 18–24 | 133 (52.4) |
| 25–29 | 42 (16.2) |
| 30–34 | 19 (7.3) |
| 35–39 | 32 (12.4) |
| 40–4 | 33 (12.7) |
| Race (n, %) | |
| Non-Hispanic white | 154 (59.5) |
| Non-Hispanic black | 51 (19.7) |
| Other | 54 (20.9) |
| Highest level of education (n, %) | |
| High school or less | 33 (12.7) |
| Some college | 121 (46.7) |
| Bachelor’s degree or higher | 105 (40.5) |
| Lifestyle | |
| Cigarette smoking (n, %) | |
| Non-smoker | 249 (96) |
| Current smoker | 10(4) |
| Physical activity | |
| IPAQ category (n, %) | |
| Low | 25 (9.6) |
| Moderate | 92 (35.5) |
| High | 142 (54.8) |
| Health | |
| Body mass index (kg/m2) | 24.1 (3.9) |
| Age at first menstrual period, years | 12.5 (1.2) |