%0 Journal Article %T Variables psicol¨®gicas como predictores de conductas de prevenci¨®n relacionadas con la infecci¨®n por VIH %A Pi£¿a %A Julio Alfonso %A Corrales %A Andr¨¦s Ernesto %A Rivera %A Blanca Margarita %J Colombia M¨¦dica %D 2008 %I Scientific Electronic Library Online %X fundament: a cross-sectional study was carried out with the main objective to identify if psychological variables including knowledge, belief, and motivation predicted two prevention behaviors related to hiv infection: £¿to postpone a sexual intercourse£¿ and £¿condom use intention£¿. method: from an original sample of 648 students of two institutions located in hermosillo, mexico, we worked with a subsample of 328 students whom reported no sexual experience. for data analysis descriptive statistics, the pearson's x2 and a logistic regression analysis were used. results: the pearson's x2 showed significant differences in both behaviors: those who have the opportunity to involve in a sexual relationship and they avoid it (x2 [2]=45.378; p=0.000), as well as those who have condom use intention (x2 [2]=235.622; p=0.000). the logistic regression analysis revealed that one type of motivation predicted the behavior to avoid a sexual relationship with penetration (x2 [9]=33.805; p=0.000), if well another type of motivation predicted the behavior condom use intention (x2 [8]=18.069; p=0.021). conclusions: the role of the variable motivation in the prevention of hiv infection programs is discussed. %K knowledge %K beliefs %K motives %K preventive behaviors %K hiv infection. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S1657-95342008000100003&lng=en&nrm=iso&tlng=en