Table 2.
Qualitative Synthesis of Other Sexual Behaviors
| Measures | Comparison | Finding |
|---|---|---|
| LARC versus OC | ||
| Multiple sex partners | ||
| Change in number of partners, past 3 months37 | IUD versus OC | Null (In-text statement: “These differences are not significant by the test of Yates and Cochran”) |
| Number of partners, lifetime42 (dichotomized as 6–20 versus <6)a | IUD versus OC | Null (RR=1.10, 95% CI=0.16, 7.75) |
| ≥1 new partner, Year 123 | Implant versus OC | Protective (26% vs 50%, p<0.05) |
| ≥1 new partner, Year 223 | Implant versus OC | Null (37% vs 48%, p>0.05) |
| Number of partners, lifetime49,b | IUD versus OC | Protective (2.5, 95% CI=2.23, 2.77 vs 3.0, 95% CI=2.82, 3.18) |
| >1 partner, past 5 years53 | IUD versus OC | Null (RR=0.79; 95% CI=0.61, 1.02) |
| ≥4 partners, lifetime22 | LARC versus OC | Risk (APR=1.87, 95% CI=1.36, 2.58) |
| ≥2 partners, past 3 months22 | LARC versus OC | Risk (APR=2.61, 95% CI=1.75, 3.90) |
| Frequency of sex | ||
| Frequency of sex, past year42 (dichotomized as >1 time/week-1 time/day versus ≤1 time/week)a | IUD versus OC | Null (RR=1.00, 95% CI=0.82, 1.23) |
| Frequency of sex63 | IUD versus OC | Null (In-text statement: “No significant changes were observed…”) |
| Substance use | ||
| Drank alcohol or used drugs before last sex22 | LARC versus OC | Null (APR=1.28, 95% CI=0.75, 2.18) |
| LARC versus injectable, patch, or ring | ||
| Multiple sex partners | ||
| Number of partners, lifetime42 (dichotomized as 6−20 versus <6)a | IUD versus injectable | Null (RR=0.47, 95% CI=0.07, 3.29) |
| >1 partner, past 5 years53 | IUD versus injectable | Null (RR=0.90, 95% CI=0.62, 1.30) |
| ≥4 partners, lifetime22 | LARC versus injectable, patch, ring | Risk (APR=1.37, 95% CI=1.01, 1.85) |
| ≥2 partners, past 3 months22 | LARC versus injectable, patch, ring | Risk (APR=2.58, 95% CI=1.17, 5.67) |
| Number of partners, past 12 months64 (dichotomized as ≥4 versus <4)a,c | IUD versus injectable | Null (RR=0.21, 95% CI=0.02, 1.87) |
| Frequency of sex | ||
| Frequency of sex, past year42 (dichotomized as >1 time/week-1 time/day versus ≤1 time/week)a | IUD versus injectable | Null (RR=1.06, 95% CI=0.81, 1.39) |
| Substance use | ||
| Drank alcohol or used drugs before last sex22 | LARC versus injectable, patch, ring | Null (APR=1.21, 95% CI=0.59, 2.51) |
| Other comparisons | ||
| Multiple sex partners | ||
| New partner, past 6 months38 | LARC versus OC, injectable, patch, ring | Null (OR=1.18, 95% CI=0.75, 1.87) |
| Number of partners, 12 months64 (dichotomized as ≥4 versus <4)a,c | IUD versus OC, patch | Null (RR=0.24, 95% CI=0.03, 1.77) |
a
Raw numbers were extracted or calculated on the basis of the dichotomy noted, and Comprehensive Meta-Analysis was used to generate a relative risk.
b
95% CI was calculated using mean, SD, and sample size.
c
Raw numbers were calculated on the basis of weighted percentages and unweighted ns.
APR, adjusted prevalence ratio; IUD, intrauterine device; LARC, long-acting reversible contraception; OC, oral contraception.