Table 3.
Associations of magnesium intake levels with CVD risk factors
| Tertiles of magnesium intake (mg/day) | P value for trend | |||
|---|---|---|---|---|
| Tertile1 (≤ 224) | Tertile2 (225–340) | Tertile3 (≥ 341) | ||
| Obesity, % | 37.1 | 33.1 | 28.7 | |
| Model 1 OR (95%CI) | 1.00 (reference) | 0.85 (0.72 to 0.98) | 0.73 (0.59 to 0.88) | 0.013 |
| Model 2 OR (95%CI) | 1.00 (reference) | 0.88 (0.74 to 1.03) | 0.87 (0.70 to 1.07) | 0.082 |
| Model 3 OR (95%CI) | 1.00 (reference) | 0.92 (0.78 to 1.09) | 1.00 (0.78 to 1.28) | 0.735 |
| Model 4 OR (95%CI) | 1.00 (reference) | 0.92 (0.78 to 1.09) | 0.99 (0.78 to 1.27) | 0.793 |
| Hypertension, % | 22.3 | 21.7 | 21.5 | |
| Model 1 OR (95%CI) | 1.00 (reference) | 0.96 (0.79 to 1.17) | 0.85 (0.73 to 0.99) | 0.104 |
| Model 2 OR (95%CI) | 1.00 (reference) | 0.92 (0.75 to 1.13) | 0.75 (0.63 to 0.88) | 0.018 |
| Model 3 OR (95%CI) | 1.00 (reference) | 0.97 (0.77 to 1.21) | 0.83 (0.65 to 1.06) | 0.601 |
| Model 4 OR (95%CI) | 1.00 (reference) | 0.97 (0.78 to 1.21) | 0.83 (0.65 to 1.06) | 0.753 |
| Non-HDL-C dyslipidemia, % | 15.1 | 13.6 | 13.1 | |
| Model 1 OR (95%CI) | 1.00 (reference) | 0.98 (0.75 to 1.27) | 0.78 (0.63 to 0.96) | 0.037 |
| Model 2 OR (95%CI) | 1.00 (reference) | 0.96 (0.73 to 1.27) | 0.72 (0.57 to 0.91) | 0.010 |
| Model 3 OR (95%CI) | 1.00 (reference) | 0.92 (0.70 to 1.23) | 0.65 (0.47 to 0.90) | 0.025 |
| Model 4 OR (95%CI) | 1.00 (reference) | 0.92 (0.69 to 1.23) | 0.65 (0.46 to 0.90) | 0.024 |
| Diabetes, % | 2.4 | 2.1 | 2.0 | |
| Model 1 OR (95%CI) | 1.00 (reference) | 0.75 (0.45 to 1.24) | 0.66 (0.43 to 1.02) | 0.189 |
| Model 2 OR (95%CI) | 1.00 (reference) | 0.69 (0.40 to 1.20) | 0.49 (0.31 to 0.79) | 0.024 |
| Model 3 OR (95%CI) | 1.00 (reference) | 0.75 (0.42 to 1.34) | 0.61 (0.30 to 1.23) | 0.502 |
| Model 4 OR (95%CI) | 1.00 (reference) | 0.73 (0.41 to 1.30) | 0.60 (0.30 to 1.21) | 0.756 |
n, number; OR, odds ratio; CI, confidence interval
Model 1 was crude OR
Model 2 included race, education, family income-poverty ratio, drinking, physical activity
Model 3 added dietary intake (total energy, saturated fat, dietary fiber, zinc, vitamin B6 and vitamin D) on the basis of model 2
Model 4 added comorbid conditions (liver disease, stomach or intestinal disease and kidney disease) on the basis of model 3