Table 7.

Combined results of a negative binomial mixed-effects model analysis using MI Procedure to deal with the missing values.

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