. 2018 Jul 10;8(6):e015919. doi: 10.1136/bmjopen-2017-015919

Table 4.

Summary of indicators, measures, methods and instruments for baseline survey

Indicators	Measures	Methods	Instruments
Demographics and socioeconomic characteristics	Age, sex, marital status, religion, education, income, occupation, contact details and household assets	Questionnaires	CARRS Surveillance Study¹⁰ Establishment of Sentinel Surveillance System for CVD in Indian Industrial Populations (Sentinel Surveillance Study)¹¹ National Family Health Survey, 2005–2006¹²
Behavioural risk factors	Tobacco use Alcohol use	Questionnaire	CARRS, Sentinel Surveillance Study
	Physical activity	Questionnaire	Global Physical Activity Questionnaire¹³
	Dietary habits	Questionnaire	CARRS, INTERHEART study¹⁴
Family history	Prevalence of CMDs among family members related to participants, mortality	Questionnaire	CARRS
Female reproductive history	Menarche/gestational history, menopause (surgical/physiological/ whether on hormone replacement therapy)/contraception	Questionnaire	CARRS
Awareness and knowledge	General awareness about diabetes and hypertension, risk factors, prevention, symptoms and diagnosis, complications, treatment and management	Questionnaire	CARRS
Physiological and biochemical risk factors	Hypertension	Blood pressure measurements	Standardised method (American Heart Association) and validated instrument (certified by British Hypertensive Society and Association for the Advancement of Medical Instrumentation) Standardised across both the sites
	Diabetes	Laboratory estimation of fasting plasma glucose, glycated haemoglobin (HbA1c)	Standardised across both the sites
	Dyslipidaemia	Laboratory estimation of serum total cholesterol, low-density lipoprotein cholesterol, very low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, triglycerides	Standardised across both the sites
	Obesity	Anthropometry (height, weight, waist and hip circumferences, body fat)	Standard procedures based on National Health and Nutrition Examination Survey III with instruments used in epidemiological studies on South Asian population
Medical history	Chronic kidney disease Stroke, myocardial infraction, congestive heart failure, chronic stable angina	Serum creatinine, urea, urine microalbumin and urine creatinine Questionnaires including medical history	Standardised across both the sites Rose Angina, CARRS
Treatment history, health services, quality of care and healthcare costs	Awareness and risk factor control Access to healthcare services, utilisation of services, health insurance coverage, costs of treating CMDs and their risk factors	Questionnaire	CARRS
Prevalence	COPD and asthma	Questionnaire	NHANES III and present standards of the American Thoracic Society
Health-related quality of life	Mobility, self-care, usual activities, pain/discomfort, anxiety/depression (related to CMDs and risk factors)	Questionnaire	European Quality of Life 5 Dimensions questionnaire ¹⁵
Mental health	Depression	Questionnaire	Modified from Patient Health Questionnaire 9¹⁶
Social well-being	Social support	Questionnaire	Developed for UDAY

CARRS, Centre for cArdiometabolic Risk Reduction in South Asia; CMDs, cardiometabolic diseases; COPD, chronic obstructive pulmonary disease; CVD, cardiovascular disease.