Table 5.
Percentage difference (95% confidence interval) in insulin concentration per one unit increase in adiposity measure in each ethnic group. All analyses adjusted for age, sex, and town
| Measure | White | South Asian | P value (no ethnic difference) |
|---|---|---|---|
| Ponderal index (kg/m3) | |||
| Fasting | 14.3 (11.0 to 17.8) | 28.8 (18.4 to 40.1) | 0.009 |
| After glucose load | 10.7 (8.1 to 13.5) | 16.3 (8.2 to 25.1) | 0.21 |
| Waist circumference (cm) | |||
| Fasting | 3.4 (2.6 to 4.3) | 6.9 (4.7 to 9.2) | 0.003 |
| After glucose load | 2.6 (1.9 to 3.3) | 4.3 (2.5 to 6.1) | 0.08 |
| Waist:hip ratio* | |||
| Fasting | 2.6 (1.5 to 3.8) | 9.5 (5.5 to 13.7) | 0.001 |
| After glucose load | 1.5 (0.6 to 2.5) | 7.4 (3.1 to 11.9) | 0.008 |
*
One unit change in waist:hip ratio taken as 0.01.