Table 3

Rotated (orthogonal (varimax)) factor loadings, restricted to ≥0.50, and cross-loadings restricted to ≥0.30, survey data among gay and bisexual men, Victoria, Australia, 2016 (n=462)

ScoreAgreement*Factor loadingsUniqueness
Items (survey questions)MeanSDn%F1F2F3F4
Confidence in PrEP
 PrEP is effective in preventing HIV infection4.00.836077.90.720.320.36
 An HIV-negative person who is on PrEP is unlikely to get HIV3.71.030165.20.690.420.35
 Gay and bisexual men who take PrEP are being responsible3.90.934073.60.840.28
 Gay and bisexual men who take PrEP are protecting themselves4.00.838683.60.880.21
 If more men are on PrEP, then I’m less worried about HIV3.21.021346.10.620.400.43
 If more men are on PrEP, then I’m less likely to get HIV3.31.022548.70.630.340.44
 If more men are on PrEP, I would feel more comfortable taking PrEP myself3.11.118239.40.500.360.62
Judicious approach to PrEP
 If more men are on PrEP, I would feel like I don’t need to use condoms to avoid getting HIV2.31.17516.20.390.660.40
 I would expect my sex partners to use PrEP before every occasion of anal sex2.31.04810.40.530.64
 If my partner doesn’t suggest using condoms, then I assume they’re on PrEP1.70.8143.00.730.43
 Taking PrEP is appealing to me because it means I could seek out and enjoy condomless sex2.51.211424.70.310.600.53
 Because of PrEP and HIV treatments, I’m less likely to ask my partners about their HIV status2.21.05612.10.550.380.52
 Because of PrEP and HIV treatments, I’m less likely to ask my partners to use condoms2.01.0398.40.710.38
Treatment as prevention optimism
 A person with an undetectable viral load cannot pass on HIV2.61.08318.00.600.56
 An HIV-positive person on treatment is unlikely to transmit the virus2.61.09219.90.680.46
 If every HIV-positive person was on treatment, new infections would stop2.41.05812.60.330.620.47
 If more HIV-positive men have an undetectable viral load, then I’m less likely to get HIV3.01.017137.00.730.41
 If more HIV-positive men have an undetectable viral load, then I am less worried about HIV2.71.011324.50.580.49
Support for early treatment
 People should delay treatment until it is absolutely necessary†4.50.742391.6−0.580.55
 HIV-positive people should go on treatment to protect their partners4.20.938082.3−0.570.62
 People should start treatment as soon as they are diagnosed4.30.938884.0−0.690.50
 People should delay HIV treatment until they are completely ready1.90.9255.40.830.30
 The best time to start HIV treatments is when you feel you are ready for what’s involved2.31.29019.50.810.33
  • The response option for each item is a five-point Likert scale (1=Strongly Disagree, 5=Strongly Agree).

  • *Agreement is ‘Agree’ (4) or ‘Strongly agree’ (5).

  • †Reverse scored.

  • F, factor; PrEP, pre-exposure prophylaxis.