Table 1.

Demographic profile of the participants

Age category	%
20–25	52.9
18–19	38.3
26–30	5.8
31–35	2.4
36–50	2.0
Female	60
Ethnic group
Black	80.8
Indian	11.8
White	3.3
Coloured	3.1
Other	1.1
Undergraduate	98.1
Do not smoke	88.1