CD4 and Opportunistic infection: Moreover, the presence of gastrointestinal symptoms [34, 35], opportunistic infections [34, 36], CD4 count [10], eating difficulty [31, 32, 37], ART status [31], current clinical condition [37], World Health Organization (WHO) stage [10, 34, 36], duration of ART [31, 37], nutritional support and dietary diversity [36], food security [10, 36, 38], and latrine availability [39] were reported as the determinants for underweight.