“…Among the demographic factors, there were inconsistent risk factors for suicidal behavior such as gender (male [ 5 , 33 , 34 , 81 , 90 , 111 , 120 ], female [ 41 , 92 , 105 ]), age (young age [ 13 , 16 , 75 , 77 , 113 , 138 , 164 ], middle age[ 10 , 18 , 80 , 142 , 178 ], older age [ 9 ]), sexual orientation, education level, In respect to specific psychological symptoms and disorders, depression, substance abuse, anxiety, intravenous drug use, post-traumatic stress disorder, major mood disorders, and mental disorders were found to be consistent suicide risk factors [ 21 , 22 , 56 , 65 , 68 , 74 , 78 , 97 , 102 , 116 , 132 , 135 , 138 , 141 , 145 – 147 , 149 , 154 , 155 , 157 , 158 , 159 , 172 , 173 , 154 , 187 , 192 ]. Among th...…”