Table 1.

Distribution of study subjects by study groups

Study subject groups	Group A	Group B	Group C	Group D
Subjects at the start of the study	24	24	24	24
Subjects at the end of the study	22	22	22	22
Male	13	13	14	14
Female	11	11	10	10
No of Dropouts	2	2	2	2
Mean age	30.56	30.23	30.66	30.45
SD	10.34	9.44	8.34	9.45