Group Cigarette smoking Alcoholconsumption Yes No Yes No No. % No. % No. % No. % GroupI 3 6.7 42 93.3 3 6.7 42 93.3 Group II 4 9.3 39 90.7 4 9.3 39 90.7 Group III 5 10.9 41 89.1 9 19.6 37 80.4

Table 5: Percentage distribution of subjects based on their personal habits.