Table 7 Combined results of a negative binomial mixed-effects model analysis using MI Procedure to deal with the missing values.
From: Negative binomial mixed models for analyzing longitudinal CD4 count data
Parameter | Parameter estimates (10 imputations) | |||||
|---|---|---|---|---|---|---|
Estimate | SE | Pr >|t| | 95% confidence limits | Minimum | Maximum | |
Intercept | 6.459413 | 0.049830 | < 0.0001 | (6.36175, 6.55708) | 6.458658 | 6.460775 |
Time in month | 0.007475 | 0.000975 | < 0.0001 | (0.00556, 0.00939) | 0.007450 | 0.007508 |
Sqrt_Time | − 0.083647 | 0.009266 | < 0.0001 | (− 0.10181, − 0.06549) | − 0.083982 | − 0.083434 |
ART initiation (Post) | 0.224037 | 0.012594 | < 0.0001 | (0.19935, 0.24872) | 0.223216 | 0.225014 |
Baseline BMI category (ref. = normal weight) | ||||||
Obese | 0.474714 | 0.109902 | < 0.0001 | (0.25931, 0.69012) | 0.473892 | 0.475630 |
Overweight | 0.024208 | 0.048971 | 0.6211 | (− 0.07177, 0.12019) | 0.023820 | 0.024529 |
Underweight | 0.002070 | 0.078101 | 0.9789 | (− 0.15101, 0.15515) | 0.001321 | 0.003137 |
Baseline HIV viral load category (ref. = Low VL) | ||||||
High VL | − 0.239102 | 0.051294 | < 0.0001 | (− 0.33964, − 0.13857) | − 0.239735 | − 0.238839 |
Medium VL | − 0.122078 | 0.045390 | 0.0072 | (− 0.21104, − 0.03311) | − 0.122251 | − 0.121642 |
Undetectable | 0.142848 | 0.286259 | 0.6178 | (− 0.41821, 0.70391) | 0.142510 | 0.143351 |
Number of sexual partners (ref. = stable partner) | ||||||
Many partners | − 0.153632 | 0.092090 | 0.0953 | (− 0.33412, 0.02686) | − 0.154667 | − 0.152911 |
No partner | − 0.046962 | 0.049227 | 0.3401 | (− 0.14344, 0.04952) | − 0.047267 | − 0.046691 |
Age group in years (ref. = < 20) | ||||||
20–29 | 0.013477 | 0.031659 | 0.6703 | (− 0.04857, 0.07553) | 0.012306 | 0.014325 |
30–39 | 0.033725 | 0.034974 | 0.3349 | (− 0.03482, 0.10227) | 0.032678 | 0.034744 |
40–49 | − 0.005842 | 0.046177 | 0.8993 | (− 0.09635, 0.08466) | − 0.007790 | − 0.004745 |
50–59 | − 0.052070 | 0.067501 | 0.4405 | (− 0.18437, 0.08023) | − 0.054207 | − 0.051024 |
≥ 60 | 0.206708 | 0.156046 | 0.1853 | (− 0.09914, 0.51255) | 0.205360 | 0.207553 |
Education attainment (ref. = secondary or high school) | ||||||
Primary school | − 0.046292 | 0.089605 | 0.6054 | (− 0.22191, 0.12933) | − 0.046602 | − 0.046009 |
Residence of participant (ref. = urban) | ||||||
Rural | − 0.001916 | 0.038813 | 0.9606 | (− 0.07799, 0.07416) | − 0.002146 | − 0.001596 |
