Variables | Studies | Samples | Univariable analyses | Multivariable analysis | |||||
---|---|---|---|---|---|---|---|---|---|
Total N | Total N | OR (95% CI) | LR test p value€ | Variance explained R2£ (%) | AOR (95% CI) | p value | LR test p value¥ | ||
Country/subregion* | |||||||||
Eastern MENA | Afghanistan, Iran, Pakistan | 122 | 47,533 | 1.00 | < 0.001 | 39.80 | 1.00 | < 0.001 | |
Fertile Crescent | Egypt, Iraq, Jordan, Lebanon, Syria | 136 | 132,758 | 0.17 (0.10–0.27) | 0.21 (0.12–0.36) | < 0.001 | |||
Bahrain and Yemen | Bahrain and Yemen | 11 | 2491 | 2.60 (0.78–8.67) | 1.77 (0.52–6.01) | 0.357 | |||
Horn of Africa | Djibouti, Somalia, South Sudan | 93 | 29,509 | 33.45 (19.77–56.58) | 45.43 (24.66–83.68) | < 0.001 | |||
North Africa | Algeria, Libya, Morocco, Sudan, Tunisia | 312 | 75,428 | 3.14 (2.09–4.72) | 2.90 (1.80–4.68) | < 0.001 | |||
Population type | Street-based, venue-based, and other FSWs† | 619 | 220,363 | 1.00 | 0.002 | 1.29 | 1.00 | 0.163 | |
Bar girls | 55 | 67,356 | 0.33 (0.17–0.67) | 0.66 (0.37–1.18) | 0.163 | ||||
Total sample size of tested FSWs | < 100 participants | 75 | 4008 | 1.00 | 0.001 | 1.54 | 1.00 | < 0.001 | |
≥ 100 participants | 599 | 283,711 | 0.36 (0.20–0.65) | 0.35 (0.21–0.56) | < 0.001 | ||||
Median year of data collection** | < 1993 | 104 | 36,038 | 1.00 | 0.001 | 1.96 | 1.00 | 0.005 | |
1993–2002 | 169 | 98,221 | 0.31 (0.17–0.56) | 1.18 (0.71–1.95) | 0.522 | ||||
≥ 2003 | 401 | 153,460 | 0.57 (0.33–0.97) | 2.03 (1.24–3.33) | 0.005 | ||||
Sampling methodology | Non-probability sampling | 570 | 254,072 | 1.00 | 0.217 | 0.08 | – | – | – |
Probability-based sampling | 104 | 33,647 | 0.72 (0.42–1.21) | – | – | – | |||
Response rate | ≥ 60% | 96 | 31,161 | 1.00 | 0.043 | 0.64 | 1.00 | 0.544 | |
< 60%/unclear | 62 | 14,102 | 2.76 (1.24–6.13) | 1.17 (0.60–2.27) | 0.645 | ||||
Not applicable‡ | 516 | 242,456 | 1.37 (0.80–2.37) | 1.33 (0.79–2.23) | 0.279 | ||||
Validity of sex work definition | Clear and valid definition | 117 | 36,431 | 1.00 | 0.161 | 0.25 | – | – | – |
Poorly defined/unclear | 41 | 8832 | 2.35 (0.96–5.73) | – | – | – | |||
Not applicable‡ | 516 | 242,456 | 1.15 (0.70–1.90) | – | – | – | |||
HIV ascertainment | Biological assays | 157 | 44,894 | 1.00 | 0.786 | 0 | – | – | – |
Self-report, unclear, and not applicable‡ | 517 | 242,825 | 0.94 (0.60–1.47) | – | – | – |