Table 1.
Demographic characteristics of study participants.
| Number of participants | Group 1 | Group 2 | Group 3 |
|---|---|---|---|
| 50 | 50 | 52 | |
| Gender | |||
| Male | 24 (48%) | 26 (52%) | 26 (50%) |
| Female | 26 (52%) | 24 (48%) | 26 (50%) |
| Number per age-group | |||
| 25–29 years | 6 (12%) | 9 (18%) | 6 (12%) |
| 30–44 years | 19 (38%) | 28 (56%) | 20 (38%) |
| 45–65 years | 25 (50%) | 13 (26%) | 26 (50%) |
The demographics of participants within Groups 1 and 3 were very similar, however Group 2 contained a significantly higher proportion of participants in the 25–29 (18% vs 12%) and 30–44 (56% vs 38%) year age ranges.
Gender distributions within all groups were approximately equal (48–52%).