Primary Care / Primary Health Care / Health Education / Cardiovascular disease / Cardiovascular Risk / Blood Pressure / Risk factors / Group Intervention / Waist Circumference / Body mass index (BMI) / Random sampling / Public health systems and services research / Randomized Clinical Trial / Risk Factors / Lipid Profile / Control Group / Blood Pressure / Risk factors / Group Intervention / Waist Circumference / Body mass index (BMI) / Random sampling / Public health systems and services research / Randomized Clinical Trial / Risk Factors / Lipid Profile / Control Group