Few researchers have quantitatively explored the relationship power-HIV risk nexus in same-sex male couples. We developed and validated the Power Imbalance in Couples Scale (PICS) to measure relationship power among men in same-sex, commit- ted relationships and its association with sexual risk behaviors. We recruited three independent and diverse samples of male couples in the greater San Francisco and New York City metropolitan areas and conducted qualitative interviews (N1 = 96) to inform item development, followed by two quantitative surveys (N2 = 341; N3 = 434) to assess the construct, predictive, conver- gent, and discriminant validity of the PICS. Exploratory factor analysis of the first survey’s data yielded four factors—overtly controlling partner, supportive partner, conflict avoidant actor, and overtly controlling actor—that accounted for more than 50% of the shared variance among the PICS items. Confirmatory factor analysis (CFA) of the second survey’s data supported these four factors: χ (1823) = 2493.40, p < .001; CFI = .96, RMSEA = .03 and WRMR = 1.33. Strong interfactor correlations suggested the presence of a higher-order general perception of power imbalance factor; a higher-order factor CFA model was comparable in fit to the correlated lower-order factors’ CFA: χ (2) = 2.00, p
Archives of Sexual Behavior – Springer Journals
Published: May 30, 2018
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