Oon Tek Ng|Angela Chow|Vernon J. Lee|Mark Chen|Mar Kyaw Win|Huei Nuo Tan|Arlene Chua|Yee Sin Leo
Accuracy and User-Acceptability of HIV Self-Testing Using an Oral Fluid-Based HIV Rapid Test
Tan Tock Seng Hospital|Tan Tock Seng Hospital|National University of Singapore|Tan Tock Seng Hospital|National University of Singapore|Tan Tock Seng Hospital|National University of Singapore|Tan Tock Seng Hospital|National Skin Centre|Tan Tock Seng Hospital|Tan Tock Seng Hospital
background united states fda approved overthecounter hiv selftest facilitate increased hiv testing earlier linkage care assessed accuracy selftesting untrained participants compared healthcare worker hcw testing participants ability interpret sample results useracceptability selftests singapore methodologyprincipal findings crosssectional study involving 200 known hivpositive patients 794 unknown hiv status atrisk participants conducted participants without prior selftest experience performed selftesting guided solely visual instructions followed hcw testing using oraquick advance rapid hiv 12 antibody test results interpreted hcw assess ability interpret results participants provided 3 sample results positive negative invalid interpret 192 participants tested positive hcw testing selftesting positive 186 969 negative 5 26 invalid 1 05 794 participants tested negative hcw testing selftesting negative 791 996 positive 1 01 invalid 2 03 excluding invalid tests selftesting sensitivity 974 95 ci 951 997 specificity 999 95 ci 996 100 interpreting results 96 931 952 correctly read positive negative invalid respectively significant demographic predictors false negative selftesting wrongly interpreting positive invalid sample results negative eightyseven percent would purchase kit overthecounter 89 preferred take hiv tests private 725 749 felt need pre posttest counseling respectively 28 would pay least usd15 test conclusionssignificance selftesting associated high specificity small significant number false negatives incorrectly identifying model results invalid major reason incorrect result interpretation survey responses supportive making selftesting available