Factors associated with refusing an HIV test (among the 827 patients who were aged >20 years without a previous HIV diagnosis and offered an HIV test)
| Accepted an HIV test(N = 603) | Refused an HIV test(N = 224) | Unadjusted analysis | Multivariable analysis | |||
| Odds ratio (95% CI) for refusing a test | p Value | Odds ratio (95% CI) for refusing a test | p Value | |||
| Age group (N = 825) | ||||||
| 20–29 years | 241 (40.0%) | 81 (36.5%) | Ref | <0.0001 | Ref | 0.0003 |
| 30–39 years | 226 (37.5%) | 64 (28.8%) | 0.84 (0.58 to 1.23) | 0.90 (0.58 to 1.40) | ||
| 40–49 years | 72 (11.9%) | 25 (11.3%) | 1.03 (0.61 to 1.74) | 1.12 (0.62 to 2.03) | ||
| 50–59 years | 39 (6.5%) | 23 (10.4%) | 1.75 (0.99 to 3.12) | 2.33 (1.19 to 4.54) | ||
| ⩾60 years | 25 (4.2%) | 29 (13.1%) | 3.45 (1.91 to 6.23) | 3.80 (1.88 to 7.70) | ||
| Gender (N = 813) | ||||||
| Male | 364 (61.5%) | 107 (48.4%) | Ref | 0.0008 | Ref | <0.0001 |
| Female | 228 (38.5%) | 114 (51.6%) | 1.70 (1.25 to 2.32) | 2.06 (1.41 to 3.01) | ||
| Ethnic group (N = 827) | ||||||
| White | 85 (14.1%) | 34 (15.2%) | 0.77 (0.48 to 1.26) | 0.02 | 0.65 (0.33 to 1.28) | 0.29 |
| Black African | 297 (49.3%) | 81 (36.2%) | 0.53 (0.36 to 0.77) | 0.66 (0.41 to 1.05) | ||
| Chinese/Far East | 24 (4.0%) | 11 (4.9%) | 0.89 (0.41 to 1.91) | 1.19 (0.51 to 2.77) | ||
| ISBP | 143 (23.7%) | 74 (33.0%) | Ref | Ref | ||
| Other/unknown | 54 (9.0%) | 24 (10.7%) | 0.86 (0.98 to 1.50) | 0.85 (0.42 to 1.71) | ||
| Time since arrival in UK (N = 747) | 0.15 | |||||
| UK-born | 96 (17.1%) | 44 (23.7%) | Ref | 0.05 | Ref | |
| Non-UK-born | 465 (82.9%) | 142 (76.3%) | 0.67 (0.45 to 1.00) | 0.64 (0.34 to 1.18) | ||
| Level of English reading (N = 786) | ||||||
| None | 63 (11.0%) | 30 (14.1%) | Ref | 0.17 | Ref | 0.82 |
| Basic | 112 (19.6%) | 31 (14.6%) | 0.58 (0.32 to 1.05) | 0.79 (0.39 to 1.63) | ||
| Good | 398 (69.5%) | 152 (71.4%) | 0.80 (0.50 to 1.29) | 0.85 (0.43 to 1.66) | ||
| Interpreting required (N = 827) | ||||||
| No | 546 (90.6%) | 201 (89.7%) | Ref | 0.73 | Ref | 0.53 |
| Yes | 57 (9.5%) | 23 (10.3%) | 1.10 (0.66 to 1.83) | 1.27 (0.60 to 2.66) | ||
| TB classification | ||||||
| PTB smear positive (N = 827) | 153 (25.4%) | 53 (23.7%) | 0.91 (0.64 to 1.30) | 0.61 | 1.02 (0.65 to 1.62) | 0.92 |
| Extrapulmonary TB (N = 827) | 248 (41.1%) | 90 (40.2%) | 0.96 (0.70 to 1.31) | 0.81 | 0.94 (0.62 to 1.43) | 0.77 |
| Previous TB (N = 827) | 66 (11.0%) | 23 (10.3%) | 0.93 (0.56 to 1.54) | 0.78 | 1.01 (0.57 to 1.78) | 0.98 |
| Risk groups* (N = 827) | ||||||
| No risk factors | 461 (76.5%) | 178 (79.5%) | Ref | 0.36 | Ref | 0.74 |
| ⩾1 risk factor | 142 (23.6%) | 46 (20.5%) | 0.84 (0.58 to 1.22) | 1.09 (0.66 to 1.79) | ||
A test for an interaction between gender and ethnicity provides a p value of 0.83, indicating no interaction.
*Risk factors for TB: alcohol abuse, homeless, prison history, intravenous drug use, other drug use, mental health issues.
ISBP, patients from India, Sri Lanka, Bangladesh or Pakistan; PTB, pulmonary tuberculosis.