Table 1.
Descriptive Characteristics
| Variables | COC N=155 |
CVR N=156 |
P-value |
|---|---|---|---|
| Age, mean | 23.3 (5.3) | 24.0 (4.0) | 0.17** |
| Percentages | |||
| Age | |||
| <25 | 71.0 | 66.0 | 0.35 |
| 25+ | 29.0 | 34.0 | |
| Race | |||
| Black/African American | 45.8 | 39.7 | 0.48 |
| White | 43.2 | 50.0 | |
| Other | 11.0 | 10.3 | |
| Education | |||
| ≤ High School | 33.6 | 19.9 | <.01 |
| Some college/College/Graduate degree | 66.5 | 80.1 | |
| Marital Status | |||
| Single/Never married | 78.1 | 71.8 | 0.32* |
| With partner/Married | 21.3 | 26.3 | |
| Separated/Divorced/Widowed | 0.6 | 1.9 | |
| Income | |||
| None | 19.0 | 11.5 | 0.12 |
| $1–$800 per month | 36.6 | 32.1 | |
| $801–$1,600 per month | 29.4 | 34.6 | |
| $1,601+ per month | 15.0 | 21.8 | |
| Missing, n | 2 | 0 | |
| Insurance | |||
| None | 40.8 | 32.9 | 0.26* |
| Medicare/Disability/Medicaid | 7.2 | 5.8 | |
| Private/Student/Parent’s | 52.0 | 61.3 | |
| Missing, n | 3 | 1 | |
| BMI, mean | 25.3 (7.2) | 25.7 (6.8) | 0.68** |
| Below 18.5 (Underweight) | 10 (6.5) | 11 (7.1) | 0.37* |
| 18.5 – 24.9 (Normal) | 82 (52.9) | 68 (43.9) | |
| 25.0 – 29.9 (Overweight) | 30 (19.4) | 41 (26.5) | |
| 30.0 and Above (Obese) | 33 (21.3) | 35 (22.6) | |
| Missing, n | 0 | 1 | |
| Gravidity | |||
| 0 | 54.2 | 47.4 | 0.54 |
| 1 | 18.7 | 17.9 | |
| 2 | 13.6 | 16.7 | |
| 3+ | 13.6 | 17.9 | |
| Parity | |||
| 0 | 74.8 | 69.2 | 0.51 |
| 1 | 14.2 | 18.6 | |
| 2+ | 11.0 | 12.2 | |
| Tampon use as chosen method at baseline | |||
| No | 26.5 | 14.7 | <.01* |
| Yes | 73.6 | 85.3 | |
| Total sexual partners in the last 30 days | |||
| 0 | 21.2 | 16.1 | 0.47* |
| 1 | 71.5 | 77.4 | |
| 2+ | 7.3 | 6.5 | |
| Missing, n | 4 | 1 | |
| Ever contraception use | |||
| No | 4.5 | 0.6 | 0.04* |
| Yes | 95.5 | 99.4 | |
| Previous contraceptive choices, ever use | |||
| Vaginal ring | |||
| No | 87.8 | 55.8 | <.01* |
| Yes | 12.2 | 44.2 | |
| Missing, n | 8 | 2 | |
| Birth control pills | |||
| No | 2.3 | 18.7 | 0.44 |
| Yes | 77.7 | 81.3 | |
| Missing, n | 7 | 1 | |
| Recent pill use, prior to study entry | |||
| No | 78.4 | 87.0 | 0.04 |
| Yes | 21.6 | 13.0 | |
| Missing, n | 7 | 2 | |
| Recent vaginal ring use, prior to study entry | |||
| No | 99.3 | 83.8 | <.01 |
| Yes | 0.7 | 16.2 | |
| Missing, n | 8 | 2 | |
| Current condom use | |||
| No | 39.4 | 53.8 | 0.01 |
| Yes | 60.6 | 46.2 | |
| Douching during past 30 days | |||
| No | 94.2 | 93.6 | 1.0* |
| Yes | 5.8 | 6.4 | |
| Missing, n | 1 | 0 |
*
Fishers exact test for computing p-values
**
Student t-test to compare means