Fig. 3From: The effect of a smartphone-based coronary heart disease prevention (SBCHDP) programme on awareness and knowledge of CHD, stress, and cardiac-related lifestyle behaviours among the working population in Singapore: a pilot randomised controlled trialThe CONSORT flow diagram for data collection. Legend: CHD: coronary heart disease; SPCHDP: smartphone-based coronary heart disease prevention; HDFQ-2: Heart Disease Fact Questionnaire-2; PSS-10: Perceived Stress Scale-10 (PSS-10); BRFSS: Behavioural Risk Factor Surveillance SystemBack to article page