The greatest prevalence of 'very high' psychological distress was reported for those respondents in the 16-24 age group (21.2%), and the lowest prevalence was reported by those in the 55-64 age group and those under 16 (8.6% and 7.4%, respectively). With regard to the remaining socio-demographic variables the highest prevalence of 'very high' psychological distress were recorded for those respondents who were female, those with one child, and those with no formal educational qualifications.