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Risk behaviors and HIV prevention perceptions in a national online sample of men who have sex with men in Brazil


Author
Silva Torres et al.

Publication year
2017

Country

Type of approach
Community-based

Type of assistance
Unassisted

Specimen
Oral-fluid

Study population
Key population: Men who have sex with men

Study design
Feasibility/acceptability

Sample size
5065

UNAIDS HIV prevalence (2017)
0.6 [0.4 - 0.8]

Methodology
An online cross-sectional survey was conducted among men who have sex with men (MSM) from ten Brazilian capitals. The questionnaire was created on the SurveyGizmo website and advertised in two apps for MSM population (Hornett and Grindr). Inclusion criteria included 18 years-old, cisgender men who were HIV-negative.

Summary of findings
5065 men who have sex with men (MSM) completed the survey: median age was 30 (IQR:25-26), 3194 (63.1%) were white, 3106 (61.3%) completed at least college and 2504 (49.4%) had minimal wage monthly income. Most identified as gay (4468; 88.2%) and 1029 (20.3%) reported to have a steady partner. Prevalence of tobacco and marijuana smoking in last 6 months was 32.6% and 33.1%, respectively, while binge drinking was reported by 71.8%. The majority of MSM (3363; 66.4%) had 10 points (high risk) on CDC MSM risk index, but only 1083 (21.4%) considered themselves to have relatively high risk (i.e. with 50% or more chances to get infected by HIV in one year). Daily and weekend use of apps for sex was reported by 1798 (35.6%) and 678 (13.4%), respectively. Regarding prevention, most MSM (4488; 85.4%) had an HIV test lifetime and 464 (9.2%) used post-exposure prophylaxis in the previous year. 1346 (26.6%) MSM reported they were aware of HIVST and 2589 (51.1%) reported that they were willing to self-test.

Acceptability
0.511

Acceptability details
2589 (51.1%) reported that they were willing to self-test.

Willingness to pay
n/a

Willingness to pay details
n/a

Sensitivity
n/a

Specificity
n/a

Concordance
n/a

HIV positivity
n/a

Accuracy details
n/a

Social harm
n/a

Linkage to prevention, care and treatment
n/a


Study status
Completed