Table 1.
IndEcho study procedures and platforms used
| Study-related procedures | Methods/platforms used |
| Questionnaire assessments | |
| Diet | FFQ |
| Physical activity | GPAQ |
| Socioeconomic status | NFHS Standard of Living Index |
| Smoking | NFHS-2 Household Questionnaire |
| Alcohol consumption | NFHS-2 Household Questionnaire |
| Anthropometry | |
| Height | Stadiometer |
| Weight | Digital weighing scales |
| Waist circumference | Non-stretchable tape |
| Hip circumference | Non-stretchable tape |
| Blood pressure | Omron M3 |
| Biochemistry | |
| Glucose—fasting | Enzymatic method (autoanalyser) |
| Glucose—120 min | Enzymatic method (autoanalyser) |
| Insulin—fasting | Vellore: Radiofluorimetric method |
| Cholesterol | Delhi: Chemiluminescence immunoassay CHOD-PAP Enzymatic colorimetric method |
| Triglycerides | GPO-PAP Enzymatic colorimetric method |
| HDL cholesterol | Direct—two-step enzymatic |
| LDL cholesterol | Direct—enzymatic colorimetric method |
| Urinary ACR | Jaffe Method |
| Skinfold thickness | John Bull/Harpenden skinfold calliper |
| Bioimpedence | Tanita BC-418/Bodystat 2500 |
| Hand grip | JAMAR dynamometer |
| DXA | Hologic Discovery |
| ECG | |
| Echocardiography | Philips CX50 Compact Xtreme system |
| cIMT | Philips CX50 Compact Xtreme system |
FFQ developed by the National Institute of Nutrition, Hyderabad.51
SES Questionnaire developed by NFHS-2, 1998–1999.52
GPAQ developed by WHO.53
ACR, albumin-creatinine ratio; cIMT, carotid intimal- media thickness; DXA, dual energy X-ray absorptiometry; FFQ, Food Frequency Questionnaire; GPAQ, Global Physical Activity Questionnaire; HDL, high-density lipoprotein; LDL, low-density lipoprotein; NFHS, National Family Health Survey; SES, socioeconomic status.