Table 2.
Between-group comparisons of secondary outcomes.
| Secondary outcomes (perceptions based on the HBMa) | OTb group vs control group | OT-MIc group vs control group | OT-MI group vs OT group | |||||
| Adjusted βd | P value | Adjusted β | P value | Adjusted β | P value | |||
| Perceived susceptibility scale | ||||||||
|
|
Baseline | .01 | .91 | –.07 | .19 | –.06 | .22 | |
|
|
24 months | –.01 | .88 | .05 | .26 | .06 | .23 | |
|
|
24 months-Baseline | –.01 | .79 | .12 | .02 | .11 | .02 | |
| Perceived severity scale | ||||||||
|
|
Baseline | .04 | .37 | .01 | .82 | –.04 | .38 | |
|
|
24 months | .01 | .80 | .03 | .62 | .02 | .68 | |
|
|
24 months-Baseline | –.03 | .52 | .02 | .75 | .06 | .24 | |
| Perceived benefit scale | ||||||||
|
|
Baseline | –.02 | .70 | –.06 | .20 | –.05 | .30 | |
|
|
24 months | –.001 | .98 | .03 | .53 | .02 | .69 | |
|
|
24 months-Baseline | .02 | .75 | .09 | .09 | .07 | .19 | |
| Perceived barrier scale | ||||||||
|
|
Baseline | –.10 | .05 | –.12 | .02 | –.03 | .60 | |
|
|
24 months | –.11 | .01 | –.21 | <.001 | –.10 | .02 | |
|
|
24 months-Baseline | –.12 | .01 | –.21 | <.001 | –.11 | .02 | |
| Cue to action scale | ||||||||
|
|
Baseline | .06 | .26 | .02 | .68 | –.04 | .48 | |
|
|
24 months | –.004 | .93 | .01 | .78 | .01 | .87 | |
|
|
24 months-Baseline | –.05 | .34 | –.003 | .95 | .03 | .49 | |
| Perceived self-efficacy scale | ||||||||
|
|
Baseline | –.08 | .10 | –.05 | .29 | .03 | .55 | |
|
|
24 months | –.06 | .22 | –.09 | .08 | –.04 | .45 | |
|
|
24 months-Baseline | .02 | .66 | –.03 | .53 | –.06 | .23 | |
aHBM: health belief model.
bOT: online tutorial.
cMI: motivational interviewing.
dStandardized coefficients adjusted for anal intercourse with regular male sex partners and score of Perceived Barrier Scale measured at baseline.