Table 1.
Distribution of demographic and anthropometric characteristics by IMT.
| Overall* | Means or % of characteristics by quartiles of common carotid artery IMT
|
|
||||
|---|---|---|---|---|---|---|
| Q1 (597.5–722.4)) | Q2 (722.5–769.9) | Q3 (770.0–834.9) | Q4 (835.0–1155.0) | P Value† | ||
| No. participants | 562 | 135 | 144 | 141 | 142 | |
| Mean IMT (μm) | 786.3 (91.4) | 687.0 | 744.1 | 800.0 | 910.3 | |
| Baseline characteristics | ||||||
| Men, % | 36.5 | 24.4 | 34.0 | 38.3 | 48.6 | < 0.001 |
| Age, years | 40.9 (9.1) | 34.7 | 38.9 | 42.6 | 47.1 | < 0.001 |
| Education, years | 2.7 (3.6) | 3.1 | 2.4 | 2.9 | 2.3 | 0.902 |
| Ever smoker, % | 35.2 | 29.8 | 29.2 | 40.4 | 47.9 | < 0.001 |
| Systolic blood pressure, mmHg | 119.4 (16.0) | 114.4 | 117.3 | 120.4 | 125.2 | < 0.001 |
| Characteristics at the time of IMT measurement | ||||||
| Age | 46.5 (8.6) | 40.6 | 44.5 | 48.1 | 52.4 | < 0.001 |
| Body mass index, kg/m2 | 21.0 (4.6) | 21.3 | 20.9 | 21.4 | 20.5 | 0.252 |
| Systolic blood pressure, mmHg | 122.9 (16.0) | 117.8 | 120.1 | 123.8 | 129.5 | < 0.001 |
| Waist circumference, cm | 75.5 (10.1) | 73.3 | 75.8 | 75.4 | 77.3 | 0.029 |
| Hip circumference, cm | 82.6 (7.1) | 82.4 | 83.3 | 82.1 | 82.4 | 0.166 |
| Waist-Hip Ratio | 0.91 (0.08) | 0.89 | 0.91 | 0.92 | 0.93 | < 0.001 |
| Waist-Height Ratio | 0.49 (0.07) | 0.48 | 0.49 | 0.49 | 0.50 | 0.208 |
| Mid-arm circumference, cm | 25.6 (3.0) | 25.4 | 25.8 | 25.4 | 25.7 | 0.346 |
| Upper-thigh circumference, cm | 46.0 (5.7) | 46.0 | 46.5 | 45.6 | 45.9 | 0.145 |
| BMI-adjusted waist circumference | 75.5 (6.7) | 73.3 | 75.8 | 75.4 | 77.3 | < 0.001 |
| BMI-adjusted hip circumference | 82.6 (4.6) | 82.4 | 83.3 | 82.1 | 82.4 | 0.426 |
| BMI-adjusted MUAC | 25.6 (2.0) | 25.4 | 25.8 | 25.4 | 25.7 | 0.893 |
| BMI-adjusted upper thigh circumference | 46.0 (4.0) | 46.0 | 46.5 | 45.6 | 45.9 | 0.360 |
*
Values shown are mean and standard deviations in parentheses;
†
Values were computed with the univariate linear regression or t-test.