Table 2.
Crude and Adjusted Logistic Regression of Baseline Characteristics Associated With Early Discontinuation
| Crude Odds Ratio (95% CI) | Adjusted* Odds Ratio (95% CI) | |
|---|---|---|
| Age | ||
| 14-19 | 1.22 (0.93, 1.58) | 1.16 (0.87, 1.54) |
| 20+ | referent | referent |
| Race | ||
| Black | 1.29 (1.05, 1.59) | 1.12 (0.89, 1.41) |
| White | referent | referent |
| Other | 1.05 (0.71, 1.56) | 1.02 (0.68, 1.52) |
| Marital status | ||
| Single/never married | 1.32 (1.06, 1.64) | 1.26 (1.01, 1.59) |
| Married/living with partner | referent | Referent |
| Separated/divorced/widowed | 1.59 (1.09, 2.32) | 1.62 (1.11, 2.37) |
| Education | ||
| High school or less | 1.28 (0.97, 1.68) | -- |
| Some college | 1.31 (1.01, 1.71) | -- |
| 4+ years of college | referent | -- |
| Low socioeconomic status† | ||
| Yes | 1.23 (1.01, 1.51) | 1.20 (0.97, 1.49) |
| No | referent | referent |
| Insurance | ||
| None | 0.99 (0.79, 1.23) | -- |
| Private | referent | -- |
| Public | 1.25 (0.96, 1.63) | -- |
| Parity | ||
| 0 | referent | -- |
| 1 | 0.94 (0.73, 1.20) | -- |
| 2 | 0.93 (0.71, 1.22) | -- |
| 3 or more | 1.20 (0.89, 1.61) | -- |
| Prior unintended pregnancy | ||
| Yes | 1.09 (0.88, 1.34) | -- |
| No | referent | -- |
| History of STI‡ | ||
| Yes | 1.27 (1.04, 1.56) | 1.17 (0.94, 1.47) |
| No | referent | referent |
| BMI | ||
| <18.5 | 1.35 (0.61, 2.99) | -- |
| 18.5 – 24.9 | referent | -- |
| 25 – 29.9 | 1.07 (0.83, 1.37) | -- |
| 30+ | 1.09 (0.86, 1.37) | -- |
| LARC method | ||
| Levonorgestrel intrauterine system | 0.91 (0.69, 1.18) | -- |
| Copper IUD | referent | -- |
| Implant | 0.85 (0.62, 1.17) | -- |
*
Adjusted for age, race, marital status, low SES, and history of STI.
STI, sexually transmitted infection; BMI, body mass index; LARC, long-acting reversible contraceptive; IUD, intrauterine device.
†
Low socioeconomic status defined as either receiving public assistance or reporting trouble paying for basic needs such as food, housing, transportation, or medical care.
‡
History of STI included any history of gonorrhea, chlamydia, or trichomoniasis.