Table 3.
Multivariate Logistic Regression (CD4 model)a
| Variables | OR (95% CI) | p-value |
|---|---|---|
| Visit b | 1.23 (1.11 – 1.37) | <.0001 |
| Diabetes | ||
| No | 1.00 | |
| Yes | 3.93 (1.64 – 9.38) | 0.002 |
| ARV therapy | ||
| None | 1.00 | 0.0003c |
| Mono/Combo | 0.35 (0.12 – 1.01) | |
| HAART | 0.23 (0.12 – 0.46) | |
| CD4+ cell count | ||
| 500+ | 1.00 | <.0001c |
| 350–499 | 1.58 (0.78 – 3.21) | |
| 200–349 | 3.78 (1.65 – 8.58) | |
| <200 | 4.90 (2.17 – 11.1) | |
| Stimuated salivary flow rate, mL/min | 0.57 (0.36 – 0.91) | 0.02 |
| Proportion of bleeding sites | 1.42 (1.10–1.84)d | 0.01 |
a
Logistic regression with generalized estimating equations (319 visits, 119 subjects), using exchangeable correlation
b
OR per one unit change in study visit = 6 months
c
P-value for trend.
d
OR based on a one standard deviation change in the independent variable