Fig. 4From: Impact of a 3-year multi-centre community-based intervention on risk factors for chronic disease and obesity among free-living adults: the Healthy Alberta Communities studyPrevalence of stage 1 hypertension in intervention and comparison groups. Stage 1 hypertension was defined as systolic blood pressure 140–159 mmHg and/or diastolic blood pressure 90–99 mmHg [32]. ***p < 0.001 between follow-up and baseline in intervention communities. &&& p < 0.001 between follow-up and baseline changes in intervention and comparison groups. n/a = too unreliable to be published, data with a coefficient of variation >33.3 %, suppressed due to extreme sampling variability [11, 30]Back to article page