Measuring Acceptability and Engagement of the Keep It Up! Internet-based HIV Prevention Randomized Controlled Trial for Young Men who have Sex with Men (Preprint)
Authors: Madkins Krystal , Moskowitz David , Moran Kevin , Dellucci Trey , Mustanski Brian 
Published: July 2018

BACKGROUND

Since 2010, HIV diagnoses among men who have sex with men (MSM) have remained stably high while decreasing for heterosexual men and women. The burden of infection has disproportionately impacted younger MSM of color relative to other populations. Despite the increased risk, there are few HIV prevention programs targeted to diverse and young MSM. The Keep It Up! (KIU!) online intervention was created to address the HIV prevention needs of this population.

OBJECTIVE

The objective of this study was to examine the acceptability and engagement of KIU!, and explore any differences by demographics, within the context of a randomized controlled trial (RCT).

METHODS

Between May 2013 and December 2015, 445 participants were randomized into the intervention arm of the KIU! RCT. Data were taken from the baseline assessment, KIU! 2.0 intervention modules, and immediate post-test assessments of intervention acceptability and engagement. Outcomes of interests were qualitative and quantitative measures of intervention acceptability and engagement as well as process measures (i.e., star ratings of intervention content and paradata on time spent in intervention).

RESULTS

Participants were an average of 24 years old, 62.9% (280/445) identified as a racial or ethnic minority, 86.5% (385/445) identified as gay, and 84.3% (375/445) reported having at least some college education. Most participants rated the intervention content highly (4 out of 5 stars) and gave the intervention an average acceptability score of 3.5 out of 4. Compared to White participants, Black participants found the intervention more useful (p = .03), engaging (p < .001), and acceptable (p = .001); Latino participants found the intervention more engaging (p = .03); and “other” non-White participants found the intervention more engaging (p = .008) and acceptable (p = .02). Participants with high school or less education found the intervention more useful, engaging, and acceptable, and were more likely to give intervention content a five star rating than college educated participants (p-values = .047, <.001, .002, .01 respectively) or those with graduate degrees (p-values = .04, .001, < .001, .004 respectively). White participants showed the most variation between education levels and reporting positive attitudes towards the intervention. Among Black participants, graduate degree-earning participants spent significantly more time on the intervention than high-school or less educated participants (p = .02).

CONCLUSIONS

Overall, participants gave the intervention high acceptability and engagement ratings; but it was most acceptable and engaging to participants who were younger, identified as racial and ethnic minorities, had less education, and lived in the South. As these are all groups with greater burden of HIV infection, the KIU! intervention is promising as a primary HIV prevention tool. Future implementations of KIU! are needed to assess its acceptability outside of the highly controlled environment of an RCT.

CLINICALTRIAL

RCT# NCT01836445