Table 3.
Binary logistic regression model for obesity including confounders
| Variable | B | SE | Wald | df | P-value | Odds ratios
|
95% CI of OR
|
|
|---|---|---|---|---|---|---|---|---|
| EXP(B) | Lower | Upper | ||||||
| Obese or nonobese (dependent variable) versus HIV status | ||||||||
| Sex | 0.411 | 0.580 | 0.502 | 1 | 0.478 | 1.509 | 0.484 | 4.705 |
| CD4 cell count (cells/mm3) | −0.002 | 0.001 | 5.296 | 1 | 0.021 | 0.998 | 0.996 | 1.000 |
| Educational attainment | −0.211 | 0.389 | 0.294 | 1 | 0.588 | 0.810 | 0.378 | 1.736 |
| Hypertensive | 1.511 | 0.560 | 7.287 | 1 | 0.007 | 4.531 | 1.513 | 13.571 |
| HIV status | −1.270 | 0.585 | 4.709 | 1 | 0.030 | 0.281 | 0.089 | 0.884 |
| Constant1 | 1.577 | 2.091 | 0.569 | 1 | 0.451 | 4.839 | ||
| Obese or nonobese (dependent variable) versus ART status | ||||||||
| Sex | 0.987 | 1.165 | 0.718 | 1 | 0.397 | 2.684 | 0.273 | 26.346 |
| CD4 cell count (cells/mm3) | −0.002 | 0.001 | 2.746 | 1 | 0.098 | 0.998 | 0.995 | 1.000 |
| Educational attainment | −0.586 | 0.552 | 1.127 | 1 | 0.288 | 0.557 | 0.189 | 1.642 |
| Hypertensive | 1.862 | 0.875 | 4.525 | 1 | 0.033 | 6.434 | 1.158 | 35.767 |
| ART status | 0.490 | 0.918 | 0.285 | 1 | 0.593 | 1.633 | 0.270 | 9.873 |
| Constant1 | 2.125 | 2.582 | 0.677 | 1 | 0.411 | 8.371 | ||
| Obese or nonobese (dependent variable) versus duration on ART | ||||||||
| Sex | 0.182 | 1.230 | 0.022 | 1 | 0.882 | 1.200 | 0.108 | 13.382 |
| CD4 cell count (cells/mm3) | −0.003 | 0.002 | 2.629 | 1 | 0.105 | 0.997 | 0.994 | 1.001 |
| Educational attainment | −0.226 | 0.620 | 0.132 | 1 | 0.716 | 0.798 | 0.237 | 2.692 |
| Hypertensive | 2.081 | 1.091 | 3.636 | 1 | 0.057 | 8.012 | 0.944 | 68.013 |
| Duration on ART | 0.015 | 0.018 | 0.697 | 1 | 0.404 | 1.015 | 0.980 | 1.052 |
| Constant1 | 0.360 | 2.877 | 0.016 | 1 | 0.901 | 1.433 | ||
Abbreviations: ART, antiretroviral treatment; B, regression coefficient; BMI, body mass index; CD, cluster of differentiation; CI, confidence interval; Constant1, baseline odds estimated for hypertension when independent variables are absent; df, degree of freedom; HIV, human immunodeficiency virus; OR, odds ratio; SE, standard error of the estimate.