Table 2 Data collection using different methods at baseline
From: Risk factors for Keshan disease: a prospective cohort study protocol of gut flora
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 | |