“…The findings from these analyses suggest that income from public sources (employment benefits, welfare, and disability) are unlikely to be used to finance cocaine use, as opposed to employment and income from informal and illegal sources which were found to support financing of cocaine use. These results are generally consistent with those of previous studies demonstrating associations of drug use in homeless populations with personal earnings, public entitlement income, monetary handouts, and illegal sources of income [ 4 , 9 , 10 , 11 , 12 , 13 , 14 , 22 ], and specifically studies also demonstrating significant associations with drug-related risky behaviors [ 23 , 24 ].…”