Characteristics of those who chose to modify their test package and those who did not
| N | Choose default test package | Modify test package | P value | OR (95% CI) | AOR (95% CI)* | |
| n (%) | n (%) | |||||
| All | 9785 | 3472 | 6313 | |||
| Female | 6386 | 2141 (61.7%) | 4245 (67.2%) | <0.001 | 1.28 (1.17 to 1.39) | 1.24 (1.12 to 1.38) |
| 16–24 | 5316 | 2041 (58.8%) | 3275 (51.9%) | <0.001 | 0.76 (0.69 to 0.82) | 0.72 (0.66 to 0.79) |
| MSM | 692 | 573 (16.5%) | 119 (1.9%) | <0.001 | 0.1 (0.08 to 0.12) | 0.07 (0.05 to 0.08) |
| BME | 1094 | 155 (4.5%) | 939 (14.9%) | <0.001 | 3.74 (3.14 to 4.46) | 4.65 (3.84 to 5.64) |
| IMD quintiles† | ||||||
| Most deprived quintile 1 | 1083 | 428 (12.3%) | 655 (10.4%) | 0.002 | 0.78 (0.67 to 0.91) | 0.81 (0.7 to 1.0) |
| 2 | 2172 | 747 (21.6%) | 1425 (22.6%) | 0.70 | 0.975 (0.85 to 1.11) | 0.92 (0.8 to 1.06) |
| 3 | 2276 | 795 (22.9%) | 1481 (23.5%) | 0.46 | 0.95 (0.84 to 1.08) | 0.95 (8.26 to 1.07) |
| 4 | 2400 | 874 (25.2%) | 1526 (24.2%) | 0.08 | 0.89 (0.79 to 1.01) | 0.86 (0.76 to 0.99) |
| Least deprived quintile 5 | 1839 | 622 (17.9%) | 1217 (19.3%) | – | – | |
| Symptomatic | 684 | 322 (9.3%) | 362 (5.7%) | <0.001 | 0.59 (0.51 to 0.7) | 0.54 (0.46 to 0.63) |
| UPSI in last 3 days‡ | 2702 | 994 (28.6%) | 1708 (27.1%) | 0.1 | 0.92 (0.84 to 1.01) | – |
| Never used a clinic before | 3455 | 1221 (35.2%) | 2234 (35.4%) | 0.83 | 1.01 (0.93 to 1.10) | – |
*Adjusted ORs (lower and upper CIs), adjusted for all other variables significantly associated (p≤0.05) in univariate analysis.
†Index of multi-deprivation quintiles for England.
‡Unprotected sexual incident in last 3 days.
BME, black and ethnic minority; MSM, men who have sex with men.