Table 1 Baseline characteristics of Hyderabad arm of the Indian migration study stratified by migration status
All | Rural non-migrants | Rural to urban migrants | Urban non-migrants | |
|---|---|---|---|---|
No of observations | 841 | 259 | 424 | 158 |
% female | 47.1 | 43.6 | 47.4 | 51.9 |
Mean (± S.D.) | ||||
Age (years) | 48.4 (±8.3) | 47.5 (±10.3) | 49.4 (±6.7) | 46.9 (±8.5) |
Weight (kg) | 65.4 (±11.9) | 61.0 (±12.6) | 66.8 (±10.7) | 68.9 (±11.9) |
Height (cm) | 159.0 (±8.7) | 159.0 (±8.7) | 159.2 (±8.5) | 158.7 (±9.2) |
BMI (kg/m2) | 25.9 (±4.4) | 24.1 (±4.5) | 26.4 (±3.9) | 27.5 (±4.7) |
BSA (m2) | 1.69 (±0.18) | 1.63 (±0.19) | 1.71 (±0.16) | 1.74 (±0.17) |
Muscle Mass (kg) | 24.1 (±5.4) | 23.4 (±5.4) | 24.4 (±5.4) | 24.6 (±5.2) |
Muscle mass (kg per 1.73 m2) | 24.4 (±3.6) | 24.5 (±3.7) | 24.4 (±3.7) | 24.3 (±3.5) |
SBP (mmHg) | 122 (±16) | 121 (±17) | 122 (±16) | 121 (±16) |
DBP (mmHg) | 81 (±10) | 79 (±10) | 82 (±10) | 81 (±9) |
Creatinine (μmol/l) | 73.1 (±17.7) | 72.1 (±17.8) | 73.7 (±18.4) | 73.3 (±15.7) |
Total cholesterol | 4.9 (±1.0) | 4.8 (±1.1) | 4.9 (±1.0) | 4.8 (±1.0) |
HOMA-IR score | 2.74 (± 5.30) | 1.68 (± 1.94) | 3.22 (± 6.21) | 3.21 (±6.12) |
MDRD eGFR (ml/min/1.73 m2) | 91.3 (±20.5) | 94.7 (±21.7) | 89.8 (±19.6) | 89.7 (±20.1) |
[95% CI 89.9-92.7] | [95% CI 91.9-97.4] | [95% CI 87.8–91.7] | [95% CI 86.5–93.0] | |
Number (%) | ||||
SES–Low | 15 (1.8%) | 14 (5.4%) | 1 (0.2%) | 0 (%) |
SES–Middle | 43 (5.1%) | 39 (15.1%) | 2 (0.5%) | 2 (1.3%) |
SES–High | 783 (93.1%) | 206 (79.5%) | 421 (99.3%) | 156 (98.7%) |
PMH diabetes | 148 (17.6%) | 26 (10%) | 89 (21.0%) | 33 (20.9%) |
Diabetes | 207 (24.6%) | 44 (17.0%) | 119 (28.1%) | 44 (27.8%) |
Hypertension | 300 (35.7%) | 73 (28.2%) | 161 (38.0%) | 66 (41.8%) |
Smoking status–current | 94 (11.1%) | 46 (17.8%) | 36 (8.5%) | 12 (7.6%) |
Vascular disease (CHD and Stroke) | 37 (4.4%) | 7 (2.7%) | 24 (5.7%) | 6 (3.8%) |
MDRD–CKD 3-5 | 35 (4.1%) | 13 (5.0%) | 18 (4.2%) | 4 (2.5%) |