Table 2.
Baseline Characteristics by Use of Hormonal Contraceptive Therapy
| Mean ± SD or n (%) and p values for comparisons by OC uUse | ||||
|---|---|---|---|---|
| Variable | Category | Yes | No | p Value |
| Ethnicity | White | 20 (83.3) | 28 (93.3) | 0.653 |
| Hispanic | 3 (12.5) | 1 (3.3) | ||
| Other | 1 (4.2) | 1 (3.3) | ||
| Age, years | 31.0 ± 4.6 | 33.1 ± 6.0 | 0.173 | |
| BMI, kg/m2 | 22.9 ± 2.2 | 24.3 ± 4.1 | 0.119 | |
| Height, cm | 166.7 ± 6.8 | 165.4 ± 8.1 | 0.515 | |
| Weight, kg | 64.5 ± 8.2 | 67.8 ± 10.2 | 0.204 | |
| Fat mass, kg | 20.2 ± 5.2 | 23.1 ± 6.9 | 0.095 | |
| Fat-free mass, kg | 44.3 ± 4.7 | 44.6 ± 5.4 | 0.786 | |
| BMD, g/cm2 | ||||
| Total hip | 0.986 ± 0.128 | 0.990 ± 0.113 | 0.890 | |
| Femoral neck | 0.901 ± 0.131 | 0.894 ± 0.112 | 0.832 | |
| Trochanter | 0.751 ± 0.112 | 0.762 ± 0.103 | 0.714 | |
| Shaft | 1.154 ± 0.143 | 1.156 ± 0.144 | 0.947 | |
| Lumbar spine | 1.098 ± 0.140 | 1.102 ± 0.126 | 0.925 | |