Table 2.

Results of (a) a linear mixed model and (b) a robust linear mixed model assessing variation in total viral load. The marginal and conditional R² for the linear mixed model were 0.37 and 0.69, respectively. Bold font denotes predictors for which p < 0.05.

(a) Linear Mixed Model
Predictor	β	SE	95% CI	DF	t	p
Intercept	0.405	0.283
Health Status 1	0.857	0.224	[0.406, 1.327]	19.521	3.821	0.001
Age	−0.295	0.248	[−0.793, 0.192]	14.856	−1.191	0.252
Sex2	−0.024	0.265	[−515,0.475]	14.698	−0.090	0.930
Community3	−0.052	0.345	[−0.773,0.621]	20.313	-0.151	0.882
Age x Sex	0.681	0.263	[0.161, 1.214]	14.699	2.591	0.021
Health Status x Community	−0.643	0.278	[−1.232, −0.086]	19.513	−2.310	0.032
(b) Robust Linear Mixed Model
Predictor	β	SE	-	-	t	p
Intercept	0.359	0.178	-	-
Health Status	0.803	0.214	-	-	3.756	0.001
Age	−0.327	0.136	-	-	−2.404	0.030
Sex	−0.132	0.144	-	-	−0.916	0.374
Community	0.002	0.218	-	-	0.010	0.992
Age x Sex	0.539	0.143	-	-	3.769	0.002
Health Status x Community	−0.619	0.265	-	-	−2.335	0.030

¹The reference category is “healthy”.

²The reference category is “female”.

³The reference category is “Kanyawara”.