Table 1. Characteristics of sib pairs in Indian Migration Study (N = 1671 pairs).
| Characteristic | Total | Males | Females | P |
| Total Number | 3342 | 1939 | 1403 | |
| Age (in years) | 39.99±10.28 | 40.79±10.55 | 38.89±9.80 | <0.001 |
| Male (%) | 58.02 | – | – | |
| Total cholesterol (mmol/l) | 4.70±1.13 | 4.67±1.12 | 4.74±1.14 | 0.05 |
| Triglycerides (mmol/l) | 1.42±0.70 | 1.47±0.74 | 1.35±0.64 | <0.001 |
| High Density Lipoprotein- Cholesterol (mmol/l) | 1.18±0.25 | 1.16±0.25 | 1.21±0.25 | <0.001 |
| Low Density Lipoprotein- Cholesterol (mmol/l) | 2.87±0.99 | 2.83±0.98 | 2.92±1.01 | 0.008 |
| Systolic Blood Pressure (mmHg) | 120.99±16.54 | 123.42±16.46 | 117.62±16.05 | <0.001 |
| Diastolic Blood Pressure (mmHg) | 77.01±10.71 | 77.78±10.92 | 75.94±10.32 | <0.001 |
| Fasting Glucose (mmol/l) | 5.32±1.41 | 5.35±1.39 | 5.28±1.43 | 0.14 |
| Fasting Insulin (mU/l) | 7.53±7.96 | 7.29±7.93 | 7.85±8.00 | 0.045 |
| Body mass Index (Kg/m2) | 23.64±4.48 | 23.03±3.95 | 24.49±5.01 | <0.001 |
| Waist-Hip Ratio | 0.87±0.08 | 0.91±0.07 | 0.82±0.07 | <0.001 |
| Waist Circumference (cm) | 81.84±11.98 | 84.45±11.81 | 78.23±11.25 | <0.001 |
| % Body Fat | 26.64±8.25 | 23.51±7.34 | 31.04±7.40 | <0.001 |
| Average Daily Fat Intake (g/day) | 83.62±35.48 | 89.54±37.59 | 75.45±30.52 | <0.001 |
| Total Physical Activity per day (MET hrs/day) | 39.00±4.67 | 39.85±4.99 | 37.81±3.87 | <0.001 |
All values are Mean ± SD; P represents p values on comparison of males and females by T-test.