Table 2.
Summary of data collected over time in CARRS cohort study.
| Cohort | N | Available dataa |
|---|---|---|
| CARRS-I | ||
| Baseline (2010-2012) | 12 271 | • Sociodemographic indicatorsb
• Socioeconomic statusb • Health expenditure • Lifestyle risk factors such as tobacco and alcohol use, diet, and physical activity • Body fat distribution (anthropometry and bioelectric impedance) • Self-reported and incident hypertension, diabetes, stroke, MI, other cardiovascular diseases (CVD), CKDc • Serological and biochemical parameters such as lipids and glycemic traits, LFT, KFT, inflammatory markers, cotinine levels • ECG data (only for Delhi site)d • Biorepository for future studies (DNA, serum, plasma, urine, buffy coats, etc) |
| 1st FUP (2011-2013) | 9194 | |
| 2nd FUP (2013-2014) | 9619 | |
| 3rd FUP (2014) | 8115 | |
| 4th FUP (2016-2017) | 7372 | |
| 5th FUP (2017-2018) | 6969 | |
| CARRS-II | ||
| Baseline (2014-2016) | 9594 | |
| 1st FUP (2018-2020) | Ongoing | |
Abbreviations: CARRS, Centre for cArdiometabolic Risk Reduction in South-Asia; CVD, cardiovascular disease; CKD, chronic kidney disease; ECG, electrocardiogram; FUP, follow-up; KFT, kidney function test; LFT, liver function test; MI, myocardial infarction
a
The detailed phenotyping including CVD risk factors, physical measures, and biological samples was taken at baseline and 2nd and 4th follow-ups. Events and cause of death data were captured only in 1st, 3rd, and 5th follow-ups.
b
Available for baseline and 4th follow-up.
c
Events and cause of death available at all time points.
d
Available at 2nd and 4th follow-ups.