Table 1.
Characteristics of clinic consultations in the training and testing data set.
| Variables | HIV (n=88,642 consultations) | Syphilis (n=92,291 consultations) | Gonorrhea (n=97,473 consultations) | Chlamydia (n=115,845 consultations) | |
| Gender, n (%) | |||||
|
|
Female | 26,651 (30.1) | 27,134 (29.4) | 31,282 (32.1) | 38,548 (33.3) |
|
|
Male | 61,991 (69.9) | 65,157 (70.6) | 66,191 (67.9) | 77,297 (66.7) |
| Age at consultation (years), median (IQR) | 29.0 (24.0-35.0) | 29.0 (25.0-35.0) | 28.0 (24.0-35.0) | 28.0 (24.0-34.0) | |
| Country of birth, n (%) | |||||
|
|
Australia | 39,148 (44.2) | 40,990 (44.4) | 43,881 (45.0) | 51,162 (44.2) |
|
|
Overseas | 46,003 (51.9) | 47,670 (51.7) | 49,835 (51.1) | 60,272 (52.0) |
|
|
Missing | 3491 (3.9) | 3631 (3.9) | 3757 (3.9) | 4411 (3.8) |
| STIa symptoms, n (%) | |||||
|
|
No | 56,175 (63.4) | 57,413 (62.2) | 54,595 (56.0) | 68,584 (59.2) |
|
|
Yes | 25,067 (28.3) | 27,150 (29.4) | 34,751 (35.7) | 38,930 (33.6) |
|
|
Missing | 7383 (8.3) | 7728 (8.4) | 8127 (8.3) | 8331 (7.2) |
| Men who have sex with men, n (%) | |||||
|
|
Not applicable (female) | 26,651 (30.1) | 27,134 (29.4) | 31,282 (32.1) | 38,548 (33.3) |
|
|
No | 16,508 (18.6) | 17,089 (18.5) | 15,245 (15.6) | 26,975 (23.3) |
|
|
Yes | 45,483 (51.3) | 48,068 (52.1) | 50,946 (52.3) | 50,322 (43.4) |
aSTI: sexually transmitted infection.