Figure 1
Study Flow Diagram. Abbreviations: RA = Research Assistant; CHD = Coronary Heart Disease. * Ineligible after measuring baseline risk factors (CHD risk < 6%).
Figure 1 | BMC Health Services Research
Study Flow Diagram. Abbreviations: RA = Research Assistant; CHD = Coronary Heart Disease. * Ineligible after measuring baseline risk factors (CHD risk < 6%).