Table 2.
Simple and multiple linear regression analysis of BSRS-5 outcome measures versus predictor variables (dietary or serum magnesium).
| Serum Mg | Dietary Mg 1 | |||||
|---|---|---|---|---|---|---|
| Outcome | β | p-Value | 95% CI | β | p-Value | 95% CI |
| BSRS score | ||||||
| Simple model | −0.85 | 0.0041 ** | (−1.43, −0.27) | −0.02 | 0.5685 | (−0.08, 0.04) |
| Model 1 2 | −0.43 | 0.1463 | (−1.02, 0.15) | −0.01 | 0.8338 | (−0.09, 0.07) |
| Model 2 3 | −0.48 | 0.1142 | (−1.07, 0.11) | −0.01 | 0.8073 | (−0.11, 0.08) |
| Insomnia | ||||||
| Simple model | −0.26 | 0.0262 * | (−0.48, −0.03) | −0.01 | 0.3857 | (−0.03, 0.01) |
| Model 1 2 | −0.10 | 0.4119 | (−0.33, 0.14) | −0.01 | 0.6749 | (−0.04, 0.02) |
| Model 2 3 | −0.13 | 0.2899 | (−0.36, 0.11) | −0.01 | 0.5761 | (−0.05, 0.03) |
| Anxiety | ||||||
| Simple model | −0.05 | 0.5051 | (−0.20, 0.10) | 0.00 | 0.7923 | (−0.01, 0.02) |
| Model 1 2 | −0.04 | 0.6443 | (−0.19, 0.12) | 0.01 | 0.2116 | (−0.01, 0.03) |
| Model 2 3 | −0.04 | 0.6287 | (−0.19, 0.11) | 0.02 | 0.5761 | (−0.00, 0.05) |
| Hostility | ||||||
| Simple model | −0.11 | 0.1595 | (−0.27, 0.05) | 0.00 | 0.5616 | (−0.01, 0.02) |
| Model 1 2 | −0.04 | 0.6325 | (−0.20, 0.12) | 0.01 | 0.6341 | (−0.02, 0.03) |
| Model 2 3 | −0.04 | 0.6404 | (−0.20, 0.12) | −0.00 | 0.9433 | (−0.03, 0.02) |
| Depression | ||||||
| Simple model | −0.26 | 0.0011 ** | (−0.41, −0.10) | −0.01 | 0.1431 | (−0.03, 0.00) |
| Model 1 2 | −0.18 | 0.0239 * | (−0.34, −0.02) | −0.01 | 0.2058 | (−0.04, 0.01) |
| Model 2 3 | −0.16 | 0.0226 * | (−0.34, −0.03) | −0.01 | 0.3044 | (−0.04, 0.01) |
| Inferiority | ||||||
| Simple model | −0.17 | 0.0127 * | (−0.30, −0.04) | 0.00 | 0.7720 | (−0.02, 0.01) |
| Model 1 2 | −0.08 | 0.2405 | (−0.22, 0.05) | −0.01 | 0.5030 | (−0.02, 0.01) |
| Model 2 3 | −0.09 | 0.1997 | (−0.23, 0.05) | −0.01 | 0.4338 | (−0.03, 0.01) |
BSRS = Brief Symptom Rating Scale; CI = Confidence interval; Mg = Magnesium; Ca = Calcium; * p < 0.05; ** p < 0.01. 1 Unit of dietary Mg was in 100 mg. 2 Adjusted for age, sex, educational levels, income levels, smoking status, alcohol use, physical activity status, hypertension, diabetes mellitus, kidney disease, c-reactive protein, and total energy intake (per 1000 kcal). 3 Adjusted for all variables in model 1 plus Ca.