Table 2.

Data collection using different methods at baseline

Questionnaires	Instruments	Blood sample	Stool
General questionnaire (in 10 sections)	ECG (electrocardiograph and heart rate) UCG (ultrasonic cardiogram) Physical activity questionnaire (IPAQ) Sphygmomanometer (blood pressure)	Hematological parameters (CBC)	Gut flora
Physical activity questionnaire (IPAQ)	Waist, hip, and wrist circumference	Biochemical parameters (total cholesterol, HDL cholesterol, LDL)
Psychological status questionnaire
Nutritional habits questionnaire (FFQ based on domestic foods)	Height scale and digital scale for weight	DNA extraction

HDL high-density lipoprotein cholesterol, LDL low-density lipoprotein cholesterol