N | Check-up <12 months | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | |
---|---|---|---|---|
n (%) | ||||
Age (years) | † | |||
16–29 | 1148 | 510 (44) | Ref. | Ref. |
30–44 | 937 | 445 (47) | 1.1 (0.95 to 1.3) | 1.1 (0.90 to 1.3) |
45 or more | 756 | 316 (42) | 0.90 (0.75 to 1.1) | 0.85 (0.69 to 1.04) |
Ethnicity | † | |||
New Zealand European | 2059 | 927 (45) | Ref. | Ref. |
Maori | 287 | 143 (50) | 1.2 (0.95 to 1.6) | 1.2 (0.92 to 1.6) |
Pacific | 77 | 28 (36) | 0.70 (0.43 to 1.1) | 0.61 (0.37 to 1.00) |
Asian | 242 | 84 (35) | 0.65 (0.49 to 0.86) | 0.60 (0.44 to 0.81) |
Other | 174 | 89 (51) | 1.3 (0.94 to 1.7) | 1.2 (0.90 to 1.7) |
Sexual identity | † | |||
Gay/homosexual | 2349 | 1210 (52) | Ref. | Ref. |
Bisexual | 678 | 271 (40) | 0.65 (0.54 to 0.79) | 0.74 (0.61 to 0.91) |
Other | 133 | 60 (45) | 0.78 (0.54 to 1.1) | 1.02 (0.67 to 1.6) |
Highest qualification | ‡ | |||
No school qualification | 185 | 68 (37) | 0.63 (0.45 to 0.86) | 0.63 (0.44 to 0.90) |
School only | 517 | 227 (44) | 0.84 (0.68 to 1.04) | 0.92 (0.73 to 1.2) |
Professional or trades | 986 | 420 (43) | 0.80 (0.67 to 0.95) | 0.81 (0.67 to 0.97) |
University degree | 1143 | 550 (48) | Ref. | Ref. |
Place of residence | † | |||
Auckland | 1828 | 911 (50) | Ref. | Ref. |
Elsewhere in New Zealand | 1205 | 563 (47) | 0.89 (0.76 to 1.03) | 0.86 (0.73 to 1.01) |
Overseas | 95 | 57 (60) | 1.5 (0.95 to 2.3) | 1.6 (1.0 to 2.6) |
Survey type and site | † | |||
Offline—community event | 884 | 414 (47) | Ref. | Ref. |
Offline—bars | 107 | 56 (52) | 1.2 (0.83 to 1.9) | 1.0 (0.64 to 1.6) |
Offline—sex-on-site venues | 158 | 79 (50) | 1.1 (0.81 to 1.6) | 0.86 (0.59 to 1.3) |
Online survey (GOSS) | 1719 | 731 (43) | 0.84 (0.71 to 0.99) | 0.71 (0.59 to 0.85) |
*The total in the sample less this who reported any STI or did not answer that question.
†Adjusted for number of partners and anal sex.
‡Adjusted for number of partners, anal sex and age.
GOSS, Gay Online Sex Survey; STI, sexually transmitted infection.