“…Sex was the most reported demographic variable. Most studies indicated higher levels of anxiety among females compared to males ( 27 , 28 , 30 , 35 , 43 , 45 – 50 , 54 , 59 , 60 , 63 , 68 – 70 , 72 , 73 , 75 , 81 , 83 , 94 , 95 ) with the exception of one study which demonstrated an association between anxiety and being male ( 38 ). Urban residency ( 52 , 62 , 69 , 81 , 83 ), living alone (without family) and lower family income or socioeconomic status were also identified as risk factors for anxiety ( 35 , 44 , 48 , 49 , 69 ).…”