Table 4.

Potential predictor variables for multiple regression analysis

Dependent variables
LnDMC	Natural log of direct medical cost
LnDC	Natural log of direct cost (not include informal care)
LnTC	Natural log of cost of illness
Potential predictor variables
Receiving oral rehydration solution before visiting the study facility	Receiving = 1 (30 %), no = 0 (70 %)
Rotavirus in stool	Positive = 1 (41 %), negative =0 (59 %)
Child age (months)	Mean age in months (16.27)
Child receiving primarily breastfed	Receiving = 1 (94 %), no = 0 (6 %)

Note: Type of patients and health facility were tested in the model separately