TABLE 3.
Adjusted Odds of Chlamydia Screening, With and Without Stratification According to Previous STI and Previous Pregnancy, in Indianapolis, Indiana, from 2002–2007
| Odds Ratio (95% Confidence Interval) |
||||||
|---|---|---|---|---|---|---|
| Individual-Level, Random-Effects Model |
Provider-Level, Random-Effects Model |
|||||
| All Visitsa | Visits After First STIb | Visits After First Pregnancyc | All Visitsd | Visits After First STIe | Visits After First Pregnancyf | |
| Age | ||||||
| 14–15 y | 0.83 (0.70–1.00) | 1.30 (0.46–3.67) | 1.13 (0.74–1.74) | 0.83 (0.73–0.94) | 0.97 (0.49–1.92) | 1.15 (0.87–1.53) |
| 16–17 y | 1.14 (0.99–1.32) | 1.05 (0.62–1.79) | 1.26 (0.99–1.61) | 1.09 (0.99–1.20) | 0.95 (0.64–1.42) | 1.36 (1.15–1.60) |
| 18–19 y | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| 20–21 y | 0.78 (0.70–0.89) | 0.62 (0.44–0.89) | 0.92 (0.78–1.09) | 0.87 (0.80–0.95) | 0.71 (0.55–0.91) | 0.97 (0.87–1.08) |
| 22–23 y | 0.76 (0.67–0.87) | 0.67 (0.47–0.94) | 1.07 (0.90–1.27) | 0.83 (0.76–0.90) | 0.82 (0.65–1.06) | 1.02 (0.92–1.14) |
| 24–25 y | 0.64 (0.57–0.73) | 0.70 (0.49–0.99) | 1.01 (0.85–1.20) | 0.72 (0.66–0.78) | 0.78 (0.60–1.00) | 0.96 (0.86–1.07) |
| Race/ethnicity | ||||||
| White | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| Black | 2.96 (2.66–3.28) | 1.61 (1.21–2.16) | 3.74 (3.24–4.32) | 1.34 (1.26–1.43) | 1.14 (0.93–1.39) | 1.46 (1.34–1.59) |
| Hispanic | 12.89 (10.85–15.30) | 6.61 (3.39–12.91) | 24.00 (19.33–29.79) | 1.30 (1.18–1.44) | 1.15 (0.76–1.76) | 1.45 (1.29–1.63) |
| Other/missing data | 1.50 (1.25–1.81) | 1.04 (0.50–2.16) | 2.01 (1.43–2.83) | 1.15 (1.04–1.28) | 1.02 (0.64–1.62) | 1.08 (0.88–1.31) |
| Insurance | ||||||
| Private | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| Public | 1.74 (1.58–1.91) | 1.23 (0.93–1.66) | 2.46 (2.14–2.84) | 1.03 (0.95–1.11) | 0.97 (0.77–1.23) | 1.16 (1.04–1.29) |
| Public pending | 6.85 (5.13–9.15) | 8.52 (3.74–19.36) | 10.82 (7.60–15.40) | 1.74 (1.39–2.17) | 2.62 (1.37–5.01) | 2.04 (1.56–2.68) |
| Self-pay | 0.84 (0.70–1.01) | 0.62 (0.37–1.03) | 1.14 (0.89–1.46) | 0.92 (0.81–1.05) | 0.88 (0.60–1.29) | 1.02 (0.85–1.23) |
| Other | 14.05 (10.17–19.42) | 10.99 (4.54–26.64) | 9.30 (5.61–15.37) | 1.15 (0.88–1.50) | 1.54 (0.71–3.33) | 1.10 (0.76–1.61) |
a
N = 40 226 visits and 22 903 individuals.
b
N = 4850 visits and 2788 individuals.
c
N = 24 593 visits and 12 241 individuals.
d
N = 40 030 visits and 1040 providers.
e
N = 4817 visits and 458 providers.
f
N = 24 436 visits and 782 providers.