Table 3 Demographic characteristics of individuals included in each phase for the positivity analyses
Characteristic | Pre – no. tested | During – no. tested | Post – no. tested | |
|---|---|---|---|---|
(% positive) | (% positive) | (% positive) | ||
Total tested | 1417873 | 468009 | 284029 | |
(6.65) | (4.72) | (5.22) | ||
Sex | Male | 458812 | 193775 | 104740 |
(5.60) | (3.68) | (4.32) | ||
Female | 954824 | 272873 | 178396 | |
(7.16) | (5.47) | (5.75) | ||
Sex unknown | 4237 | 1361 | 893 | |
(6.09) | (4.63) | (3.70) | ||
Age-group | 15-19 year | 808334 | 272737 | 158652 |
(6.56) | (4.43) | (5.00) | ||
20-24 years | 609539 | 195272 | 125377 | |
(6.78) | (5.14) | (5.49) | ||
Socio-economic class | 1 (most deprived) | 403063 | 129909 | 87207 |
(7.89) | (5.59) | (5.90) | ||
2 | 325252 | 108604 | 64290 | |
(6.82) | (4.82) | (5.36) | ||
3 | 253380 | 87668 | 50397 | |
(6.09) | (4.42) | (4.92) | ||
4 | 212359 | 71750 | 41427 | |
(5.85) | (4.21) | (4.94) | ||
5 (least deprived) | 186474 | 63326 | 36255 | |
(5.16) | (3.79) | (4.20) | ||
unknown | 37345 | 6752 | 4453 | |
(7.56) | (4.80) | (4.11) | ||
Ethnicity | White | 905090 | 287450 | 175135 |
(6.94) | (5.06) | (5.58) | ||
Black | 66128 | 16785 | 12042 | |
(8.25) | (6.61) | (7.51) | ||
Asian | 37882 | 14763 | 8778 | |
(2.28) | (1.66) | (1.88) | ||
Other | 49532 | 14260 | 8934 | |
(7.64) | (6.00) | (6.63) | ||
unknown | 359241 | 134751 | 79140 | |
(5.95) | (3.98) | (4.29) | ||
Sexual behaviour | High risk | 552570 | 152441 | 93649 |
(8.81) | (6.87) | (7.16) | ||
Low risk | 330365 | 89744 | 50719 | |
(4.66) | (3.28) | (4.00) | ||
unknown | 534938 | 225824 | 139661 | |
(5.65) | (3.85) | (4.36) | ||