Table 3.
Association of plasma chromium concentrations with MetS
| Variables | Quartiles of plasma chromium concentrations | Per 1 μg/L Chromium | P for trend | |||
|---|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | |||
| Chromium (μg/L) | < 3.27 | 3.28–4.46 | 4.47–5.87 | > 5.88 | ||
| Cases/Controls, n/n | 664 / 535 | 533 / 535 | 530 / 536 | 414 / 535 | ||
| Model 1 | 1 | 0.80 (0.68–0.95) | 0.80 (0.67–0.94) | 0.61 (0.52–0.73) | 0.95 (0.93–0.98) | < 0.001 |
| Model 2 | 1 | 0.80 (0.67–0.95) | 0.80 (0.67–0.94) | 0.62 (0.52–0.74) | 0.95 (0.93–0.98) | < 0.001 |
| Model 3 | 1 | 0.84 (0.67–1.05) | 0.76 (0.61–0.95) | 0.62 (0.49–0.78) | 0.95 (0.92–0.98) | < 0.001 |
Model 1: adjusted for age;
Model 2: additionally adjusted for education, current smoking status, current alcohol drinking status, physical activity and family history of diabetes;
Model 3: additionally adjusted for BMI
Abbreviations: MetS Metabolic syndrome, SD Standard deviation