“…Seven studies showed that the sample represented the target population, 20 , 24 , 25 , 27 , 33 , 51 , 52 the participants have been recruited appropriately, 8 , 11 , 12 , 16 , 18 , 33 , 43 and calculated the sample size. 11 , 18 , 20 , 22 , 25 , 33 , 43 Twenty-five studies described their study settings, 9 , 11 , 12 , 19 , 21 - 25 , 27 , 29 , 31 , 33 - 37 , 39 , 42 , 47 - 50 , 53 , 54 Thirty-two studies conducted the data analysis sufficiently 8 , 9 , 13 - 22 , 24 - 28 , 31 - 37 , 39 , 41 - 43 , 48 - 51 and five studies used standard criteria to assess HIV/AIDS. 19 , 22 , 28 , 35 , 48 The majority of the included studies measured precisely, 8 , 12 , 13 , 20 - 29 , 31 - 52 , 54 14 studies used appropriate statistical analysis,…”