Table 6. Completed interventions

Study Name and CitationsStudy DesignInterventionKey ResultsQuality Rating for Research Elements/Participatory Elements*
CMCA113–118 RCTCommunity organizers worked with local public officials, agencies, media, and merchants to change community policies toward alcoholMeasures for access to alcohol and drinking behaviors generally declined after the intervention, although only 1 measure showed a statistically significant difference to the control group2.65/2.45
East Baltimore119–122 RCTExit interview to increase understanding of disease and compliance with prescribed regimen; home visit to encourage a family member to provide support; invitations to small group sessionsOverall mortality and hypertension-specific mortality declined significantly in experimental groups; intervention shows a positive effect on appointment keeping, weight control, and blood pressure2.74/2.45
Health is Gold!123 RCTLay health worker activities: two 90-minute sessions with presentations and discussions at baseline, one session after 2 monthsPreliminary findings: Percentage of women who had a Pap test increased significantly in the intervention group; knowledge about cervical cancer and Pap tests increased in both groups2.61/2.60
Sierra Stanford124, 125 RCTCommunity-initiated workbook journal used as a support group alternativeNo significant differences between groups in primary outcome measures; however, 74% of women felt emotionally supported2.83/1.80
HIV Latina126–130 Quasi-experimentalPsycho-educational interventions prior to and 2 weeks after HIV antibody testing, including counseling, free condoms, skill development in condom use and cleaning needles, pregnancy counseling, referral, and advocacyParticipants in the intervention group made significant improvements in HIV knowledge and reported condom use, comparison group did not make significant pretest-posttest improvements in these measures1.78/2.15
Internet Access131 Quasi-experimentalInternet access via WebTV, training, technical support; access to a community specific health oriented Web page; placement of public Internet access in 10 community locationsInternet can positively influence health-related empowerment (six of eight items significantly different between intervention and control groups, compared to one item at baseline)1.83/1.60
Korean Study132–134, 222 Quasi-experimentalEducational materials and workshops in Korean about breast and cervical cancer screening; written material was also mailed to baseline survey participantsNo significant differences in changes in screening between the intervention and the control group2.43/2.55
Okanagan135 Quasi-experimentalA wide variety of activities and education measures based on community assessment of need, aimed at primary prevention, screening, and secondary preventionMixed results in changes of biological markers due to intervention effects2.52/1.65
Wai'anae136–138 Quasi-experimentalKokua Group, lay health educator-led group discussions to provide support and education for breast and cervical cancer screening; vouchers for free mammograms and Pap tests provided to patient and friendIncreased compliance with screening guidelines2.39/3.00
NY Immunization139 One group pretest and posttestVarious outreach strategies to identify and enroll under-immunized childrenCoverage rates for the basic antigens increased from 24% to 73% within recruited cohort1.52/1.78
Stress and Wellness141–143, 223, 224 One group pretest and posttestDaily newsletter, health awareness and screening programs, information display cases, feedback and recommendations to people on sources of stress, pilot project on quality improvementOverall, social environment at work and employee well-being did not improve during the course of the study, however involvement in the project was associated with some improvements in decisionmaking, participation, coworker support and decreased symptoms for depression2.26/2.90
Women and HIV Denial144, 145 Nonexperimental, (data collected throughout period of intervention)Individually tailored education based on interview contents, safer sex kits, and presentations at clubs and bars20% of the women interviewed said that they had changed their behavior1.52/1.95

Range = 1 to 3; higher values represent better quality.

From: 3, Results

Cover of Community-based Participatory Research: Assessing the Evidence
Community-based Participatory Research: Assessing the Evidence.
Evidence Reports/Technology Assessments, No. 99.
Viswanathan M, Ammerman A, Eng E, et al.

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