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BMC, BMC Public Health, 1(13), p. 1230

DOI: 10.1186/1471-2458-13-1230



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The impact of a cardiovascular health awareness program (CHAP) on reducing blood pressure: a prospective cohort study

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Research Support, Non-U.S. Gov't ; Journal Article ; BACKGROUND: Hypertension is an important and modifiable cardiovascular risk factor that remains under-detected and under-treated, especially in the older individuals. Community-led interventions that integrate primary health care and local resources are promising approaches to improve awareness and management of hypertension and other cardiovascular risk factors. We aimed to evaluate the effect of a community-based Cardiovascular Health Awareness Program (CHAP) on participants' blood pressure. METHODS: This study followed a cohort of community residents that participated in CHAP across 22 mid-sized Ontario communities over an 18-month period. The participants' baseline risk factors, including blood pressure, and subsequent measures of blood pressure were recorded. We employed a bivariate linear mixed-effect model to estimate the change of systolic and diastolic blood pressure over time among the participants who attended more than two CHAP sessions. RESULTS: Of 13,596 participants, 2498 attended more than two CHAP sessions. For those repeated participants (attending more than two sessions) initially identified with high blood pressure, the average reduction of systolic blood pressure was from 142 to 123 mmHg over an 18-month period, a monthly rate ratio of 0.992 (95% CI: 0.991,0.994; p