Table 1: Comparison of sociodemographic variables of the three groups.

Variable IAM PMR Control value Sex* Male 18.2 20.5 16.7 .908 Female 81.8 79.5 83.3 Age* (years) 18-19 77.3 77.3 72.2 .837 20 and above 22.7 22.7 27.8 Education* Completed school 13.6 15.9 22.2 .823 Degree 65.9 63.6 63.9 Postgraduate 20.5 20.5 13.9

*Figures are percentages.