Table 1.
Comparison of select characteristics of women who completed all follow-ups for the adherence analysis (responders) versus women who only completed the baseline interview (nonresponders)
| Responders (N=113) |
Nonresponders (N=72) |
|||
|---|---|---|---|---|
| Characteristic | Number | Percent | Number | Percent |
| Age | ||||
| <25 | 40 | 35.4% | 27 | 37.5% |
| 25–34 | 55 | 48.7% | 33 | 45.8% |
| ≥35 | 18 | 15.9% | 12 | 16.7% |
| Marital status | ||||
| Married | 23 | 20.4% | 14 | 19.4% |
| Living with partner | 22 | 19.5% | 15 | 20.8% |
| Separated, divorced, or widowed | 4 | 3.5% | 6 | 8.3% |
| Single | 64 | 56.6% | 37 | 51.4% |
| Educational level | ||||
| High school or less | 34 | 30.1% | 37 | 51.4% |
| Some college | 38 | 33.6% | 23 | 31.9% |
| College graduate or more | 41 | 36.3% | 12 | 16.7% |
| Income | ||||
| ≤$30,000 | 60 | 53.1% | 51 | 70.8% |
| $30,001–$45,000 | 23 | 20.4% | 8 | 11.1% |
| >$45,000 | 30 | 26.6% | 13 | 18.1% |
| Race/ethnicity | ||||
| Hispanic | 12 | 10.6% | 19 | 26.4% |
| Non-Hispanic white | 37 | 32.7% | 17 | 23.6% |
| Non-Hispanic black | 56 | 49.6% | 33 | 45.8% |
| Other | 8 | 7.1% | 3 | 4.2% |
| Alcohol consumption | ||||
| Yes | 53 | 46.9% | 31 | 43.1% |
| No | 60 | 53.1% | 41 | 56.9% |
| Smoking | ||||
| Yes | 18 | 15.9% | 14 | 19.4% |
| No | 95 | 84.1% | 57 | 79.2% |
| Missing | 0 | 0.0% | 1 | 1.4% |
| Parity | ||||
| 0 | 49 | 43.4% | 25 | 34.7% |
| 1 | 29 | 25.7% | 18 | 25.9% |
| ≥2 | 35 | 31.0% | 29 | 40.3% |
| Use to prevent pregnancy | ||||
| Yes | 102 | 90.3% | 64 | 88.9% |
| No | 11 | 9.7% | 8 | 11.1% |
| Ever had problems with feeling sad while using OCs | ||||
| Yes | 25 | 22.1% | 6 | 8.3% |
| No | 88 | 77.9% | 65 | 90.3% |
| Missing | 0 | 0.0% | 1 | 1.4% |
| BMI | ||||
| <25.0 | 42 | 39.8% | 24 | 33.3% |
| 25.0–29.9 | 26 | 23.0% | 21 | 29.2% |
| ≥30.0 | 45 | 37.2% | 27 | 37.5% |
| Consistent reporting of OC adherence | ||||
| Yes | 85 | 75.2% | N/A | N/A |
| No | 28 | 24.8% | ||
Body Mass Index (BMI; calculated as kg/m2); Oral Contraceptive (OC)
Percents may not total 100 due to rounding.
P-values derived from Chi-square and Fisher’s Exact tests comparing responders and nonresponders were <0.05 for education, race/ethnicity, and ever having problems with feeling sad. Other variables examined that did not differ between responders and nonresponders included: number of people in household; prior discontinuation of OCs; use of OCs to lessen cramps, pain, length, and/or heaviness; ever had problems with mood swings, headaches, and/or weight gain while using OCs; dual method use; and waist-to-hip ratio.