Moderate or severe risk of problem gambling was significantly associated with several demographic characteristics (Table 3). The median age at interview was significantly younger in the moderate or severe risk group than in those at no or low risk (40 years v. 46 years) and moderate to severe risk of problem gambling was significantly associated with working in service industries (38% v. 27% in no or low-risk group) and being long-term unemployed (5% v. 1% in the no or low-risk group). However, there was no significant difference in gender distribution between the two risk groups (P = 0.09). Levels of education and marital history also did not significantly differ between the groups. There was no significant difference in the proportion of participants recruited systematically or non-systematically with and without moderate to severe risk of problem gambling.
