Table 3.
Effect estimates of Imara intervention condition with biological, behavioral and psychosocial outcomes, Atlanta, GA 2011-2012
| Outcome | Regression 1a* | Regression 2b* | GEE Modelc* | |||
|---|---|---|---|---|---|---|
| Linear Models | Beta Coefficient (95% CI) |
p-value | Beta Coefficient (95% CI) |
p-value | Beta Coefficient (95% CI) |
p-value |
| Partner sexual communication self-efficacy |
1.13 (0.11, 2.15) |
0.030 | 0.52 (−0.48, 1.52) |
0.307 | 0.84 (−0.002, 1.68) |
0.050 |
| Condom use self-efficacy | 3.68 (1.76, 5.61) |
<0.001 | 4.43 (2.26, 6.60) |
<0.001 | 3.99 (2.35, 5.63) |
<0.001 |
| HIV/STI knowledge | 1.04 (0.43, 1.64) |
0.001 | 1.33 (0.78, 1.88) |
<0.001 | 1.19 (0.71, 1.68) |
<0.001 |
| Proportion condom-protected vaginal sex acts, past 30 days |
−0.0004 (−0.16, 0.16) |
0.996 | −0.04 (−0.22, 0.15) |
0.699 | −0.02 (−0.14, 0.10) |
0.719 |
| Proportion condom-protected vaginal sex acts, past 90 days |
0.001 (−0.13, 0.13) |
0.989 | −0.001 (−0.13, 0.13) |
0.986 | 0.001 (−0.10, 0.10) |
0.981 |
| Number of vaginal sex partners, past 30 days |
−0.33 (−0.87, 0.21) |
0.226 | −0.10 (−0.57, 0.36) |
0.668 | −0.22 (−0.56, 0.13) |
0.219 |
| Number of vaginal sex partners, past 90 days |
−0.31 (−1.53, 0.92) |
0.621 | −0.003 (−0.46, 0.46) |
0.991 | −0.17 (−0.90, 0.55) |
0.635 |
| Condom use skills | 1.39 (0.93, 1.85) |
<0.001 | 2.12 (1.76, 2.49) |
<0.001 | 1.75 (1.44, 2.06) |
<0.001 |
| Logistic Models |
AOR
(95% CI) |
p-value |
AOR
(95% CI) |
p-value |
AOR
(95% CI) |
p-value |
| Consistent condom use during vaginal, anal and oral sex, past 30 days |
0.83 (0.34, 2.00) |
0.675 | 0.97 (0.37, 2.54) |
0.954 | 0.89 (0.46, 1.72) |
0.736 |
| Consistent condom use during vaginal, anal and oral sex, past 90 days |
0.99 (0.42, 2.32) |
0.979 | 0.88 (0.42, 1.85) |
0.733 | 0.91 (0.48, 1.70) |
0.761 |
| Unprotected vaginal sex, past 30 days |
0.98 (0.49, 1.95) |
0.946 | 0.86 (0.45, 1.64) |
0.636 | 0.92 (0.55, 1.53) | 0.740 |
| Unprotected vaginal sex, past 90 days |
1.28 (0.66, 2.49) |
0.472 | 1.06 (0.57, 1.99) |
0.852 | 1.15 (0.68, 0.94) |
0.610 |
| Chlamydia | 1.03 (0.48, 2.22) |
0.935 | 2.02 (0.81, 5.06) |
0.131 | 1.37 (0.76, 2.47) |
0.291 |
| Gonorrhea | 1.07 (0.28, 4.02) |
0.919 | 1.01 (0.37, 2.80) |
0.976 | 1.03 (0.44, 2.39) |
0.944 |
| Any bacterial STI | 1.01 (0.49, 2.09) |
0.974 | 1.41 (0.66, 3.03) |
0.38 | 1.19 (0.69, 2.06) |
0.532 |
a
Regression models for 3-month outcomes;
b
Regression models for 6-month outcomes;
c
Generalized estimating equation;
*
All models adjusted for baseline measure of outcome variable