TABLE 5.
Binary logistic regression to predict suicidal thoughts by body measures and serum lipids.
| Body measure/Serum lipid parameter |
Sex |
BDI-II |
Age |
||||||||||
| N | B | Wald | p | B | Wald | p | B | Wald | p | B | Wald | p | |
| A Depressed Patients | |||||||||||||
| BMI (kg/m2) | 142 | –0.016 | 0.1 | 0.722 | 0.459 | 1.2 | 0.266 | 0.063 | 11.8 | 0.001* | –0.033 | 6.2 | 0.013* |
| Body fat (%) | 139 | –0.016 | 0.3 | 0.569 | 0.227 | 0.2 | 0.667 | 0.065 | 12.0 | 0.001* | –0.030 | 5.2 | 0.023* |
| Body muscles (%) | 139 | 0.015 | 0.1 | 0.783 | 0.286 | 0.2 | 0.645 | 0.065 | 11.9 | 0.001* | –0.030 | 4.5 | 0.034* |
| Resting metabolism (kcal) | 139 | 0.000 | 0.0 | 0.911 | 0.372 | 0.4 | 0.510 | 0.065 | 12.0 | 0.001* | –0.031 | 5.5 | 0.019* |
| Visceral fat (%) | 139 | –0.028 | 0.2 | 0.624 | 0.510 | 1.3 | 0.263 | 0.065 | 12.0 | 0.001* | –0.028 | 3.5 | 0.061 |
| Triglycerides (mg/dl) | 142 | –0.002 | 0.8 | 0.369 | 0.569 | 1.7 | 0.192 | 0.064 | 12.0 | 0.001* | –0.032 | 6.1 | 0.013* |
| Total cholesterol (mg/dl) | 142 | –0.006 | 2.1 | 0.148 | 0.413 | 1.0 | 0.318 | 0.064 | 11.9 | 0.001* | –0.027 | 4.0 | 0.044* |
| HDL cholesterol (mg/dl) | 142 | 0.017 | 1.2 | 0.282 | 0.606 | 1.9 | 0.168 | 0.065 | 12.3 | <0.001* | –0.036 | 7.4 | 0.006* |
| LDL cholesterol (mg/dl) | 142 | –0.010 | 3.5 | 0.063 | 0.473 | 1.3 | 0.255 | 0.065 | 12.4 | <0.001* | –0.027 | 3.9 | 0.049* |
| LDL/HDL ratio | 142 | –0.455 | 5.0 | 0.025* | 0.740 | 2.9 | 0.091 | 0.068 | 13.2 | <0.001* | –0.030 | 5.0 | 0.026* |
| B Healthy Controls | |||||||||||||
| BMI (kg/m2) | 166 | –0.036 | 0.1 | 0.714 | –1.258 | 3.1 | 0.077 | 0.057 | 0.6 | 0.439 | 0.020 | 0.8 | 0.377 |
| Body fat (%) | 166 | 0.022 | 0.3 | 0.608 | –1.092 | 1.7 | 0.190 | 0.043 | 0.4 | 0.547 | 0.016 | 0.5 | 0.465 |
| Body muscles (%) | 166 | –0.111 | 1.8 | 0.180 | –0.421 | 0.2 | 0.663 | 0.038 | 0.3 | 0.588 | 0.011 | 0.3 | 0.608 |
| Resting metabolism (kcal) | 166 | 0.000 | 0.0 | 0.971 | –1.370 | 1.3 | 0.260 | 0.050 | 0.5 | 0.478 | 0.017 | 0.6 | 0.423 |
| Visceral fat (%) | 166 | 0.005 | 0.0 | 0.968 | –1.352 | 2.6 | 0.104 | 0.050 | 0.5 | 0.485 | 0.017 | 0.4 | 0.522 |
| Triglycerides (mg/dl) | 167 | 0.003 | 0.5 | 0.491 | –1.533 | 4.1 | 0.043* | 0.045 | 0.4 | 0.524 | 0.015 | 0.5 | 0.482 |
| Total cholesterol (mg/dl) | 167 | 0.015 | 3.5 | 0.062 | –1.492 | 4.6 | 0.033* | 0.027 | 0.1 | 0.731 | –0.006 | 0.1 | 0.821 |
| HDL cholesterol (mg/dl) | 167 | –0.019 | 0.5 | 0.482 | –1.537 | 4.4 | 0.037* | 0.048 | 0.5 | 0.497 | 0.023 | 1.0 | 0.322 |
| LDL cholesterol (mg/dl) | 167 | 0.020 | 4.1 | 0.042* | –1.656 | 5.3 | 0.021* | 0.025 | 0.1 | 0.750 | –0.003 | 0.0 | 0.891 |
| LDL/HDL ratio | 167 | 0.783 | 3.6 | 0.058 | –1.923 | 6.1 | 0.013* | 0.029 | 0.2 | 0.691 | 0.013 | 0.4 | 0.549 |
The table shows the valid number of subjects analyzed (N) and the results of binary logistic regression analyses. BDI-II, Beck Depression Inventory-II; BMI, body mass index; HDL cholesterol, high-density lipoprotein cholesterol; LDL cholesterol, low-density lipoprotein cholesterol. p < 0.05 in bold, *also significant in bootstrap analysis. Coding: Suicidal thoughts no = 0 vs. yes = 1; women = 0 vs. men = 1.