Kaiser Permanente's Community Health Initiative in Northern California: Evaluation Findings and Lessons Learned

Abstract

Purpose.

To describe the evaluation findings and lessons learned from the Kaiser Permanente Healthy Eating Active Living–Community Health Initiative.

Design.

Mixed methods design: qualitative case studies combined with pre/post population-level food and physical activity measures, using matched comparison schools for youth surveys.

Setting.

Three low-income communities in Northern California (combined population 129,260).

Subjects.

All residents of the three communities.

Intervention.

Five-year grants of $1.5 million awarded to each community to support the implementation of community- and organizational-level policy and environmental changes. Sectors targeted included schools, health care settings, worksites, and neighborhoods.

Measures.

Reach (percentage exposed) and strength (effect size) of the interventions combined with population-level measures of physical activity (e.g., minutes of physical activity) and nutrition (e.g., fruit and vegetable servings).

Analysis.

Pre/post analysis of population level measures, comparing changes in intervention to comparison for youth survey measures.

Results.

The population-level results were inconclusive overall, but showed positive and significant findings for four out of nine comparisons where “high-dose” (i.e., greater than 20% of the population reached and high strength) strategies were implemented, primarily physical activity interventions targeting school-age youth.

Conclusion.

The positive and significant changes for the high-dose strategies suggest that if environmental interventions are of sufficient reach and strength they may be able to favorably impact obesity-related behaviors.

Keywords

Community Health Initiatives Obesity Prevention Environmental Change Prevention Research Manuscript format: research Research purpose: intervention testing/program evaluation Study design: quasi-experimental Outcome measure: behavioral Setting: local community Health focus: fitness/physical activity,nutrition,weight control Strategy: policy,built environment Target population age: youth,adults Target population circumstances: geographic location

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