Characteristic | Total population tested | Positive tests, N (row%) | Crude OR (95% CI)* | p Value† | Adjusted OR (95% CI)‡ | Adjusted p value‡ |
Sex | ||||||
M | 1480 | 67 (4.5) | 1 | 1 | ||
F | 1951 | 85 (4.4) | 0.97 (0.69 to 1.35) | 0.84 | 1.15 (0.80 to 1.64) | 0.45 |
Age group*, years | 0.09 | 0.046 | ||||
17–18 | 466 | 18 (3.9) | 1 | 1 | ||
19 | 564 | 21 (3.7) | 0.92 (0.44 to 1.90) | 0.90 (0.44 to 1.84) | ||
20 | 569 | 20 (3.5) | 0.96 (0.49 to 1.86) | 0.91 (0.47 to 1.78) | ||
21 | 466 | 20 (4.3) | 1.18 (0.57 to 2.41) | 1.19 (0.59 to 2.39) | ||
22 | 444 | 32 (7.2) | 2.04 (1.07 to 3.88) | 2.09 (1.09 to 3.99) | ||
23 | 434 | 21 (4.8) | 1.33 (0.71 to 2.51) | 1.38 (0.74 to 2.60) | ||
24–25 | 486 | 20 (4.1) | 1.07 (0.55 to 2.10) | 1.18 (0.62 to 2.27) | ||
Index of Multiple Deprivation quintile* | 0.06 | 0.046 | ||||
Least deprived: 1 | 389 | 11 (2.8) | 1 | 1 | ||
2 | 802 | 39 (4.9) | 1.67 (0.9 to 3.09) | 1.57 (0.85 to 2.91) | ||
3 | 872 | 26 (3.0) | 1.06 (0.49 to 2.27) | 1.01 (0.48 to 2.14) | ||
4 | 687 | 42 (6.1) | 2.24 (1.15 to 4.36) | 2.27 (1.15 to 4.44) | ||
Most deprived: 5 | 676 | 34 (5.0) | 1.71 (0.82 to 3.58) | 1.74 (0.82 to 3.66) | ||
Ethnicity* | ||||||
White | 2967 | 135 (4.6) | 1 | 1 | ||
Other | 216 | 6 (2.8) | 0.60 (0.24 to 1.47) | 0.26 | 0.59 (0.24 to 1.44) | 0.25 |
Not stated | 248 | 11 (4.4) | 0.63 (0.27 to 1.50) | 0.29 | 0.44 (0.20 to 0.94) | 0.03 |
New sexual partner in the last 3 months* | ||||||
No | 2224 | 72 (3.2) | 1 | 1 | ||
Yes | 1073 | 64 (6) | 1.89 (1.39 to 2.58) | <0.001 | 1.25 (0.86 to 1.82) | 0.24 |
Not stated | 134 | 16 (11.9) | 3.14 (1.62 to 6.1) | 0.001 | 1.67 (0.43 to 6.57) | 0.46 |
Two or more partners in last 12 months* | ||||||
No | 2167 | 57 (2.6) | 1 | 1 | ||
Yes | 1119 | 78 (7.0) | 2.77 (1.98 to 3.88) | <0.001 | 2.61 (1.74 to 3.91) | <0.001 |
Not stated | 145 | 17 (11.7) | 3.88 (2.03 to 7.40) | <0.001 | 3.47 (0.87 to 13.85) | 0.08 |
Symptomatic at time of screening | ||||||
Yes | 0 | 0 (0) | ||||
No | 3431 | 152 (4.4) | NA | |||
Total | 3431 | 152 (4.4) |
↵* Excludes participants with missing data. Two individuals aged 17 years and one individual aged 25 years grouped with adjacent age categories.
↵† From logistic regression model, adjusted for intracluster correlation of variable within practices; for age and deprivation, p value is from Wald tests covering all categories together.
↵‡ From logistic regression model, adjusted for intracluster correlation of variable within practices and adjusted for other explanatory variables in the model; for age and deprivation, p value is from Wald tests covering all categories together.
NA, not applicable.