Table 3.
Logistic Regression of Receipt of Prescription Contraception in 3-Year Study Period by Chronic Medical Condition Status for Selected Conditions
| Univariate* | Multivariate† | ||||||
|---|---|---|---|---|---|---|---|
| Proportion using contraception in 3 years (%) |
OR | 95% CI | P | Adjusted OR |
95% CI | P | |
| No chronic condition | 41.1 | -- | -- | -- | -- | -- | -- |
| Hypertension | 31.4 | 0.66 | 0.55, 0.78 | <0.001 | 0.83 | 0.68, 1.00 | 0.051 |
| Asthma | 35.7 | 0.80 | 0.67, 0.96 | 0.014 | 1.01 | 0.82, 1.23 | 0.943 |
| Hypothyroidism | 33.3 | 0.72 | 0.58, 0.88 | 0.001 | 0.95 | 0.76, 1.19 | 0.668 |
| Diabetes | 34.2 | 0.75 | 0.60, 0.93 | 0.008 | 0.95 | 0.75, 1.20 | 0.663 |
| Obesity | 35.8 | 0.80 | 0.64, 1.01 | 0.058 | 1.05 | 0.82, 1.35 | 0.683 |
| Rheumatoid arthritis | 20.0 | 0.36 | 0.20, 0.66 | 0.001 | 0.53 | 0.28, 1.00 | 0.051 |
| Inflammatory bowel disease | 24.0 | 0.45 | 0.24, 0.87 | 0.017 | 0.56 | 0.28, 1.12 | 0.099 |
| Systemic lupus erythematosus | 21.7 | 0.40 | 0.15, 1.08 | 0.070 | 0.75 | 0.26, 2.12 | 0.582 |
OR, odds ratio; CI, confidence interval.
*
Point estimates from univariate models for the effect of each disease on the odds of receipt of contraception.
†
Point estimates from multivariable regression models for the effect of each disease on the odds of receipt of contraception adjusting for all covariates including: age group, community-level socioeconomic status, no. of years with cervical cancer screening, and total outpatient visits.