Univariable and multivariable analyses of lower knowledge of HIV and STI transmission, testing and treatment among MSM in Ireland, MISI 2015
| Number with lower knowledge (%) | Univariable analysis | Multivariable analysis | |||||
| OR | 95% CI | P value | aOR | 95% CI | P value | ||
| Age group (years) | |||||||
| >40 | 234 (30) | 1 | Ref | – | 1 | Ref | – |
| 25–39 | 353 (29) | 0.98 | (0.80 to 1.19) | 0.82 | 1.22 | (0.98 to 1.53) | 0.080 |
| 18–24 | 468 (51) | 2.48 | (2.03 to 3.02) | <0.001 | 1.98 | (1.50 to 2.61) | <0.001 |
| Education | |||||||
| Degree or higher | 431 (28) | 1 | Ref | – | 1 | Ref | – |
| Less than a degree | 601 (46) | 2.20 | (1.88 to 2.57) | <0.001 | 1.58 | (1.32 to 1.88) | <0.001 |
| Area of residence* | |||||||
| Dublin | 403 (30) | 1 | Ref | – | 1 | Ref | – |
| Outside Dublin | 589 (42) | 1.69 | (1.44 to 1.97) | <0.001 | 1.21 | (1.01 to 1.44) | 0.034 |
| Missing | 63 (34) | 1.20 | (0.86 to 1.66) | 0.281 | 1.05 | (0.74 to 1.51) | 0.771 |
| Employment | |||||||
| Employed | 580 (31) | 1 | Ref | – | 1 | Ref | – |
| Unemployed | 83 (44) | 1.74 | (1.29 to 2.36) | <0.001 | 1.23 | (0.87 to 1.72) | 0.237 |
| Student | 322 (49) | 2.18 | (1.82 to 2.62) | <0.001 | 1.10 | (0.86 to 1.41) | 0.452 |
| Other† | 49 (40) | 1.51 | (1.04 to 2.19) | 0.032 | 1.55 | (1.02 to 2.35) | 0.039 |
| Country of birth | |||||||
| Outside Ireland | 106 (26) | 1 | Ref | – | 1 | Ref | – |
| Ireland | 944 (38) | 1.78 | (1.41 to 2.25) | <0.001 | 1.62 | (1.25 to 2.10) | <0.001 |
| Sexual Identity | |||||||
| Gay | 756 (33) | 1 | Ref | – | 1 | Ref | – |
| Bisexual | 185 (48) | 1.81 | (1.45 to 2.24) | <0.001 | 1.04 | (0.80 to 1.37) | 0.756 |
| Straight/other | 98 (45) | 1.64 | (1.24 to 2.17) | 0.001 | 0.90 | (0.65 to 1.25) | 0.523 |
| Outness level | |||||||
| Out to all/almost all | 433 (30) | 1 | Ref | – | 1 | Ref | – |
| More than half | 155 (37) | 1.35 | (1.08 to 1.70) | 0.009 | 1.16 | (0.90 to 1.48) | 0.256 |
| Less than half | 94 (36) | 1.32 | (1.00 to 1.75) | 0.047 | 1.03 | (0.76 to 1.41) | 0.832 |
| Few | 206 (44) | 1.86 | (1.50 to 2.31) | <0.001 | 1.36 | (1.06 to 1.76) | 0.017 |
| None | 136 (54) | 2.70 | (2.06 to 3.54) | <0.001 | 1.69 | (1.20 to 2.37) | 0.002 |
| HIV testing history | |||||||
| Negative <12 months | 267 (25) | 1 | Ref | – | 1 | Ref | – |
| Negative >12 months | 169 (29) | 1.23 | (0.98 to 1.54) | 0.074 | 1.14 | (0.89 to 1.46) | 0.285 |
| Positive | 13 (9) | 0.31 | (0.17 to 0.56) | <0.001 | 0.38 | (0.21 to 0.69) | 0.001 |
| Never tested | 598 (56) | 3.96 | (3.30 to 4.76) | <0.001 | 2.32 | (1.88 to 2.86) | <0.001 |
| STI in the last 12 months | |||||||
| No/don’t know | 986 (38) | 1 | Ref | – | 1 | Ref | – |
| Yes | 62 (23) | 0.48 | (0.36 to 0.65) | <0.001 | 0.89 | (0.64 to 1.23) | 0.486 |
| Certainty of HIV status | |||||||
| Sure of HIV status | 648 (33) | 1 | Ref | – | 1 | Ref | – |
| Unsure of HIV status | 400 (43) | 1.50 | (1.28 to 1.76) | <0.001 | 1.35 | (1.13 to 1.61) | 0.001 |
| Visited Man2Man website | <0.001 | <0.001 | |||||
| Visited | 178 (24) | 1 | Ref | – | 1 | Ref | – |
| Not visited | 855 (41) | 2.24 | (1.85 to 2.70) | <0.001 | 1.81 | (1.45 to 2.25) | <0.001 |
| Viewed one or more HP infographics | <0.001 | 0.022 | |||||
| Viewed | 465 (32) | 1 | Ref | – | 1 | Ref | – |
| Not viewed | 551 (40) | 1.46 | (1.25 to 1.71) | <0.001 | 1.17 | (0.98 to 1.41) | 0.084 |
*Variable with >5% missing data.
†Other includes retired, sick leave, medically retired and other.
aOR, adjusted OR; HP, health promotion; MISI, MSM Internet Survey Ireland; MSM, men who have sex with men; Ref, reference.