Table 2. Logistic regression analyses to assess the association of certain characteristics with reporting two or more HIV tests in the last 12 monthsa,b, London, United Kingdom, 16 October–9 December 2016.
| Characteristic (total number of respondents with information available) |
n | % | Univariate analysis | Multivariate analysisi | ||
|---|---|---|---|---|---|---|
| OR (95% CI) | p value | AOR (95% CI) | p value | |||
| Age category in years (N = 663) | ||||||
| 18–24 (n = 69) | 41 | 59.4 | Reference | <0.001 | Reference | 0.003 |
| 25–34 (n = 306) | 170 | 55.5 | 0.85 (0.50–1.45) | 0.61 (0.30–1.23) | ||
| 35–44 (n =191) | 78 | 40.8 | 0.47 (0.27–0.83) | 0.34 (0.16–0.72) | ||
| ≥ 45 (n = 97) | 33 | 34.0 | 0.35 (0.19–0.67) | 0.29 (0.12–0.69) | ||
| Ethnicity (N = 664) | ||||||
| White (n = 523) | 247 | 47.2 | Reference | 0.255 | NA | NA |
| Black (n = 24) | 13 | 54.2 | 1.32 (0.58–3.00) | NA | ||
| South East & East Asian (n = 39) | 24 | 61.5 | 1.79 (0.92–3.49) | NA | ||
| Latin American (n = 26) | 13 | 50.0 | 1.12 (0.51–2.46) | NA | ||
| Other (n = 52) | 27 | 51.9 | 1.21 (0.68–2.13) | NA | ||
| World region of birth (N = 662) | ||||||
| United Kingdom (n = 379) | 177 | 46.7 | Reference | 0.184 | NA | NA |
| Europe (n = 146) | 72 | 49.3 | 1.11 (0.76–1.63) | NA | ||
| Americas & Caribbean (n = 61) | 34 | 55.7 | 1.44 (0.83–2.48) | NA | ||
| Sub-Saharan Africa (n = 12) | 10 | 83.3 | 5.71 (1.23–26.39) | NA | ||
| South East & East Asia (n = 26) | 15 | 57.7 | 1.56 (0.70–3.48) | NA | ||
| Other (n = 38) | 17 | 44.7 | 0.92 (0.47–1.81) | NA | ||
| Employment status (N = 666) | ||||||
| Employed (n = 603) | 302 | 50.0 | 1.74 (1.02–2.99) | 0.006 | 1.28 (0.61–2.66) | 0.137 |
| Years of education after 16 years of age (N = 664) | ||||||
| None (n = 36) | 18 | 50.0 | Reference | 0.973 | NA | NA |
| < 2 years (n = 98) | 48 | 49.0 | 0.960 (0.447–2.061) | NA | ||
| ≥ 2 years (n = 498) | 244 | 49.0 | 0.961 (0.488–1.890) | NA | ||
| Still in full time education (n = 32) | 14 | 43.8 | 0.778 (0.299–2.024) | NA | ||
| Had an STI in the last year (N = 667) | ||||||
| Yes (n = 122) | 99 | 81.0 | 6.08 (3.74–9.86) | <0.001 | 5.05 (2.66–9.58) | <0.001 |
| Number of casualc condomless partners in last year (N = 456) | ||||||
| 0 (n = 194) | 75 | 38.7 | Reference | <0.001 | Reference | 0.010 |
| 1 (n = 144) | 67 | 46.5 | 1.38 (0.89–2.14) | 1.26 (0.79–2.02) | ||
| 2–4 (n = 65) | 48 | 73.8 | 4.48 (2.40–8.36) | 3.65 (1.87–7.10) | ||
| 5–10 (n = 33) | 25 | 75.8 | 4.96 (2.13–11.57) | 3.34 (1.32–8.49) | ||
| > 10 (n = 20) | 18 | 90.0 | 14.28 (3.22–63.31) | 9.47 (1.92–46.62) | ||
| Chemsexd (N = 668) | ||||||
| Yes (n = 132) | 81 | 61.0 | 1.90 (1.289–2.81) | 0.005 | 1.23 (0.70–2.14) | 0.572 |
| PrEP use (N = 660) | ||||||
| Yes (n = 37) | 30 | 81.0 | 4.89 (2.12–11.30) | <0.001 | 1.75 (0.64–4.77) | 0.046 |
AOR: adjusted odds ratio; CI: confidence interval; NA: not applicable; OR: odds ratio; PrEP: pre-exposure prophylaxis; STI: sexually transmitted infection.
a 32 men who self-reported as HIV positive and had not had a test within the last year were excluded from this analysis.
b Adjusted model contains a total of 447 observations.
c Casual partner is defined as a partner with whom the respondent has had sex with only once.
d Chemsex is defined as use of any of the following drugs before or during sex; mephadrone, ketamine, gammahydroxybutrate (GHB) or methamphetamine in the last 12 months.