Steven J. Ondersma|Dace S. Svikis|Charles R. Schuster
Computer-Based Brief Intervention
Wayne State University|Virginia Commonwealth University|Wayne State University
background drug use among parenting women significant risk factor range negative child outcomes including exposure violence child maltreatment child behavior problems implementation brief interventions population may greatly facilitated computerbased interventions design randomized clinical trial 4month followup settingparticipants participants 107 postpartum women recruited urban obstetric hospital primarily serving lowincome population women randomized assessment versus assessment plus brief intervention conditions 76 71 returned followup evaluation intervention 20minute singlesession computerbased motivational intervention based motivational interviewing methods combined two nontailored mailings voucherbased reinforcement attendance initial intaketreatment session main outcome measures illicit drug use measured qualitative urinalysis selfreport results frequency illicit drug use marijuana increased slightly control group declined among intervention group participants p005 betweengroup mannwhitney u d050 magnitude intervention effects changes marijuana use frequency similar reach statistical significance pointprevalence analysis followup show significant group differences drug use however trends range assumptions regarding participants lost followup favored intervention group effect sizes moderate range odds ratios 14 47 conclusions results tentatively support efficacy highreach replicable brief intervention research seek replicate findings develop computer platform validated brief interventions drug use among parenting women significant risk factor range negative child outcomes including exposure violence child maltreatment child behavior problems implementation brief interventions population may greatly facilitated computerbased interventions randomized clinical trial 4month followup participants 107 postpartum women recruited urban obstetric hospital primarily serving lowincome population women randomized assessment versus assessment plus brief intervention conditions 76 71 returned followup evaluation 20minute singlesession computerbased motivational intervention based motivational interviewing methods combined two nontailored mailings voucherbased reinforcement attendance initial intaketreatment session illicit drug use measured qualitative urinalysis selfreport frequency illicit drug use marijuana increased slightly control group declined among intervention group participants p005 betweengroup mannwhitney u d050 magnitude intervention effects changes marijuana use frequency similar reach statistical significance pointprevalence analysis followup show significant group differences drug use however trends range assumptions regarding participants lost followup favored intervention group effect sizes moderate range odds ratios 14 47 results tentatively support efficacy highreach replicable brief intervention research seek replicate findings develop computer platform validated brief interventions