Table 4.
Logistic regression analyses of characteristics of participants with HIV in EMIS, SMON, and SOAPa
| EMIS | SMON | SOAP | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HIV+ | Univariable | Multivariable | HIV+ | Univariable | Multivariable | HIV+ | Univariable | Multivariable | ||||
| No. | % | OR (95 % CI) | aOR (95 % CI) | No. | % | OR (95 % CI) | aOR (95 % CI) | No. | % | OR (95 % CI) | aOR (95 % CI) | |
| Age group (years) | ||||||||||||
| < 35 | 100 | 7.4 | 1.0 | 1.0 | 81 | 5.7 | 1.0 | 1.0 | 147 | 9.4 | 1.0 | 1.0 |
| 35–49 | 323 | 19.9 | 3.1 (2.4–3.9) | 1.8 (1.3–2.4) | 216 | 16.4 | 3.2 (2.5–4.2) | 2.0 (1.2–3.1) | 376 | 23.5 | 3.0 (2.4–3.6) | 2.5 (1.8–3.6) |
| > 49 | 166 | 20.7 | 3.2 (2.5–4.2) | 2.4 (1.6–3.4) | 117 | 15.3 | 3.0 (2.2–4.0) | 1.4 (0.8–2.5) | 156 | 24.6 | 3.1 (2.5–4.0) | 4.1 (2.7–6.1) |
| Residence | ||||||||||||
| Outside Amsterdam | 275 | 11.0 | 1.0 | 1.0 | 262 | 9.8 | 1.0 | 1.0 | 273 | 12.1 | 1.0 | 1.0 |
| Amsterdam | 243 | 23.9 | 2.4 (2.0–2.9) | 1.8 (1.4–2.3) | 147 | 20.9 | 2.4 (1.9–3.0) | 1.2 (0.8–1.8) | 396 | 27.6 | 2.7 (2.3–3.3) | 3.1 (2.3–4.2) |
| Ethnicity | ||||||||||||
| Dutch | 437 | 15.5 | 1.0 | 1.0 | 351 | 11.6 | 1.0 | 1.0 | 565 | 18.1 | 1.0 | 1.0 |
| Other | 152 | 16.0 | 1.0 (0.9–1.3) | 0.8 (0.6–1.1) | 63 | 13.6 | 1.2 (0.9–1.6) | 1.2 (0.7–2.0) | 114 | 16.6 | 0.9 (0.7–1.1) | 1.1 (0.7–1.8) |
| Number of partnersb | ||||||||||||
| 1–2 | 44 | 8.4 | 1.0 | 1.0 | 33 | 5.6 | 1.0 | 1.0 | 122 | 13.0 | 1.0 | 1.0 |
| 3–5 | 90 | 13.4 | 1.7 (1.2–2.5) | 1.7 (1.0–2.8) | 81 | 10.2 | 1.9 (1.2–2.9) | 1.8 (0.8–3.8) | 154 | 13.9 | 1.0 (0.8–1.4) | 1.1 (0.7–1.7) |
| 6–10 | 88 | 15.5 | 2.0 (1.4–2.9) | 1.4 (0.8–2.4) | 75 | 14.6 | 2.9 (1.9–4.4) | 1.4 (0.7–3.0) | 149 | 20.1 | 1.7 (1.3–2.2) | 1.7 (1.0–2.7) |
| 11–20 | 93 | 18.5 | 2.5 (1.7–3.6) | 1.7 (1.0–2.8) | 74 | 18.9 | 3.9 (2.5–6.0) | 1.3 (0.6–2.9) | 104 | 26.8 | 2.5 (1.8–3.3) | 2.0 (1.2–3.4) |
| 21–50 | 98 | 22.5 | 3.2 (2.2–4.7) | 1.4 (0.9–2.4) | 66 | 28.0 | 6.5 (4.1–10.2) | 1.8 (0.8–4.0) | 81 | 32.4 | 3.2 (2.3–4.5) | 2.2 (1.2–3.9) |
| > 50 | 102 | 41.0 | 7.6 (5.1–11.3) | 2.7 (1.6–4.7) | 19 | 38.8 | 10.6 (5.4–20.8) | 1.9 (0.6–5.7) | 57 | 16.9 | 1.4 (1.0–1.9) | 2.2 (1.2–4.0) |
| Condom use last partnerb | ||||||||||||
| Yes | 177 | 12.0 | 1.0 | 1.0 | 87 | 11.6 | 1.0 | 1.0 | 146 | 16.7 | 1.0 | 1.0 |
| No | 346 | 23.9 | 2.3 (1.9–2.8) | 2.3 (1.8–2.9) | 145 | 30.1 | 3.3 (2.4–4.4) | 3.0 (2.1–4.4) | 102 | 16.8 | 1.0 (0.8–1.3) | 1.0 (0.7–1.4) |
| Drugs | ||||||||||||
| No | 89 | 5.6 | 1.0 | 1.0 | 58 | 3.5 | 1.0 | 1.0 | ||||
| Yes 1 | 106 | 11.4 | 2.2 (1.6–2.9) | 1.6 (1.1–2.4) | 74 | 8.9 | 2.7 (1.9–3.9) | 2.3 (1.2–4.6) | ||||
| Yes > 1 | 394 | 31.8 | 7.9 (6.2–10.1) | 3.8 (2.6–5.4) | 282 | 28.6 | 11.2 (8.3–15.1) | 8.1 (4.4–14.9) | ||||
| STIb | ||||||||||||
| No | 246 | 8.7 | 1.0 | 1.0 | 159 | 5.9 | 1.0 | 1.0 | 518 | 18.4 | 1.0 | 1.0 |
| Yes 1 | 198 | 28.9 | 4.3 (3.5–5.3) | 2.6 (2.0–3.5) | 136 | 24.3 | 5.1 (4.0–6.6) | 3.8 (2.5–5.7) | 141 | 17.5 | 0.9 (0.8–1.2) | 0.8 (0.5–1.2) |
| Yes > 1 | 145 | 59.2 | 15.3 (11.5–20.4) | 5.8 (4.1–8.3) | 119 | 52.2 | 17.5 (12.9–23.8) | 8.9 (5.4–14.8) | 20 | 11.2 | 0.6 (0.4–0.9) | 0.6 (0.3–1.3) |
95 % CI 95 % confidence interval, OR odds ratio, aOR adjusted odds ratio, No. number, HIV+ diagnosed or self–reported HIV–positive status
Bold printed statistics differ, p–values < .05 are considered significant
aVariables are a priori included in multivariable analyses
bFactors differ significantly between databases, p–values < .05 are considered significant