Table 1.

Demographic characteristics of participants.

Gender, Age and BMI
Female (n)	40
Male (n)	39
Age (Mean, SD) (years)	33.15 (12.46)
Age range	18–60 years
BMI a (kg/m2) (Mean, SD)	24.52 (3.64)
Ethnicity	(%)
Caucasian	93.7
Other	6.4
Occupation	(%)
University staff	41.8
Student	32.9
Employed outside of the University	25.3
Smoking habits	(%)
Non-smoker	78.5
Smoker	11.4
Ex-smoker	10.1
Medical conditions:	(%)
None	81
One or more	19

^a Body mass index (BMI); SD: Standard deviation.