Table 1. Baseline Characteristics of Participants.
| Variable | All study Participants | Noncompliant users | Compliant users |
|---|---|---|---|
|
| |||
| N = 181 | N = 21 | N = 42 | |
| Matching variables | |||
|
| |||
| BMI (kg/m2) | 27.2 ± 6.4 | 30.2 ± 6.6 | 30.0 ± 6.4 |
|
| |||
| BMI group | |||
| Normal weight | 106 (59%) | 8 (38%) | 17 (40%) |
| Obese | 75 (41%) | 13 (62%) | 25 (60%) |
|
| |||
| Age | 25.2 ± 4.4 | 26.4 ± 5.4 | 25.7 ± 3.8 |
|
| |||
| OCP formulation | |||
| 20EE2/100LNG | 86 (48%) | 11 (52%) | 21 (50%) |
| 30EE2/150LNG | 95 (52%) | 10 (48%) | 21 (50%) |
|
| |||
| Race/ethnicity | |||
| Hispanic | 51 (28%) | 9 (43%) | 17 (40%) |
| Black | 67 (37%) | 10 (48%) | 20 (48%) |
| White/Asian | 63 (35%) | 2 (9%) | 5 (12%) |
|
| |||
| Non-matching variables | |||
|
| |||
| Height (cm) | 163.8 ± 6.5 | 163.9 ± 6.1 | 163.0 ± 5.9 |
|
| |||
| Weight (kg) | 72.9 ± 17.9 | 81.3 ± 19.1 | 79.7 ± 18.2 |
|
| |||
| Education | |||
| Less than a Bachelor's degree | 99 (55%) | 18 (86%) | 26 (62%) |
| Bachelor's segree or more | 82 (45%) | 3 (14%) | 16 (38%) |
|
| |||
| Previous pregnancy | |||
| Yes | 76 (42%) | 14 (67%) | 23 (55%) |
| No | 105 (58%) | 7 (33%) | 19 (45%) |
|
| |||
| Previous birth | |||
| Yes | 44 (24%) | 10 (48%) | 14 (33%) |
| No | 137 (76%) | 11 (52%) | 28 (67%) |
|
| |||
| Smokes cigarettes | |||
| Yes | 24 (13%) | 1 (5%) | 4 (10%) |
| No | 157 (87%) | 20 (95%) | 38 (90%) |
Data are mean ± standard deviation or n (%).