Table 1.

Demographics and characteristics of the participants at enrollment in each group.

	Total	RB	C	RB + C	p-Value
N	59	20	20	19
Females	71.2%	60%	85%	68.4%	0.215
Age (years)	57.8 ± 6.94	56.4 ± 4.14	59.15 ± 9.08	57.84 ± 6.76	0.463
Years of study	13.57 ± 4.32	13.37 ± 3.63	14.95 ± 3.70	12.32 ± 5.25	0.224
Height (m)	1.65 ± 0.08	1.67 ± 0.1	1.62 ± 0.08	1.66 ± 0.06	0.141
Smokers (%)	20%	15%	20%	26.3%	0.795

Data expressed as mean ± standard deviation (SD); significant difference at p-value < 0.05.