Table 4.
Comparison of recent surveys of risk factors for non-communicable diseases in rural India with similar case definitions
| Study | Indian Migration Study | Andhra Pradesh Rural Health Initiative15 16 | Rajasthan Rural Study14 | Rural Haryana Study13 |
|---|---|---|---|---|
| Methods | ||||
| Survey year | 2005-7 | 2005 | 1995 | 1991-5 |
| Region | North and south India (18 states) | South India (Andhra Pradesh state) | North India (Rajasthan state) | North India (Haryana state) |
| Sample frame | Villages from 18 states | 20 villages in one area | 3 villages in one area | Villages in one area |
| Ages (years) | 20-69 | ≥30 | ≥20 | 35-64 |
| Sample size | 1983 (1977 blood samples) | 4535 (1085 blood samples) | 3148 (300 blood samples) | 2487 (1190 blood samples) |
| Results (percentages for men, women) | ||||
| Current smoker | 42, 5 | 45, 5 | 51, 5 | NA, NA |
| Obesity* | 12, 20 | 18, 26 | 5, 6* | 10, 13 |
| Hypertension† | 17, 19 | 27, 28 | 24, 17 | 24, 17 |
| Hypercholesterolaemia‡ | 25, 33 | 27, 34 | 22, 22 | 16, 16 |
| Diabetes§ | 4, 4 | 14, 12** | NA | 4, 2 |
*Obesity=body mass index ≥25, except Rajasthan Rural Study with BMI ≥27.
†Hypertension=self reported or systolic blood pressure ≥140/90 mm Hg.
‡Hypercholesterolaemia=total cholesterol concentration ≥5.18 mmol/l.
§Diabetes=self reported or fasting glucose concentration ≥7 mmol/l (in Andhra Pradesh Rural Health Initiative diagnosis based on capillary blood collected by finger prick).