Table 3.
Association of Mg and Ca concentrations with abnormal HbA1c by sex (OR 95% CI)
| Variables | Quartiles by Mg and Ca |
|||
|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | |
| Mg | ||||
| Men | ||||
| Model 1† | 1 | 0.71 (0.61, 0.82)** | 0.70 (0.60, 0.82)** | 0.63 (0.54, 0.73)** |
| Model 2‡ | 1 | 0.73 (0.62, 0.87)** | 0.77 (0.64, 0.93)* | 0.67 (0.56, 0.80)** |
| Women | ||||
| Model 1† | 1 | 0.53 (0.44, 0.63)** | 0.37 (0.30, 0.45)** | 0.39 (0.32, 0.48)** |
| Model 2‡ | 1 | 0.64 (0.52, 0.80)** | 0.48 (0.38, 0.61)** | 0.51 (0.40, 0.64)** |
| Ca | ||||
| Men | ||||
| Model 1† | 1 | 0.86 (0.68, 1.09) | 0.95 (0.75, 1.20) | 1.18 (0.93, 1.50) |
| Model 2‡ | 1 | 0.89 (0.67, 1.18) | 0.93 (0.70, 1.24) | 1.22 (0.92, 1.62) |
| Women | ||||
| Model 1† | 1 | 0.82 (0.61, 1.11) | 0.72 (0.53, 0.97)* | 0.88 (0.65, 1.19) |
| Model 2‡ | 1 | 0.87 (0.60, 1.27) | 0.83 (0.57, 1.20) | 0.97 (0.66, 1.41) |
| Mg/Ca ratio | ||||
| Men | ||||
| Model 1† | 1 | 0.74 (0.59, 0.94)* | 0.74 (0.59, 0.94)* | 0.69 (0.55, 0.87)* |
| Model 2‡ | 1 | 0.74 (0.56, 0.98)* | 0.75 (0.57, 0.99)* | 0.69 (0.52, 0.91)* |
| Women | ||||
| Model 1† | 1 | 0.49 (0.36, 0.67)** | 0.38 (0.28, 0.52)** | 0.55 (0.41, 0.75)** |
| Model 2‡ | 1 | 0.67 (0.46, 0.97)* | 0.44 (0.30, 0.65)** | 0.65 (0.45, 0.94)* |
Ca, calcium; Mg, Magnesium; OR, odd ratio; 95% CI, 95% confidence interval; Q, quartile; HbA1c, glycosylated hemoglobin.
†
Model 1 adjusted for age.
‡
Model 2 further adjusted for smoking status, BMI, alcohol consumption, hypotensor and hypoglycemic drug use.
*
p< 0.05
**
p< 0.001.