Table 1: Physical characteristics and body composition of the volunteers by center.
Statistical analysis: *T test; §χ2 test; level of significance. P<0.05; n.s. = not significant.
Area 1 Area 2 p
Physical characteristics (average ± d.s.)*
64 35
Age (years) 51.02±9.2 58.63±9.8 0.000
Weight (kg) 74.4±14.2 68.5±13.1 0.039
Height (cm) 159.7±8.5 158.8±8.0 n.s.
Body Mass Index (kg/m2) 29.1±4.9 27.3±5.5 n.s.
Body composition (average ± d.s.)*
Fat mass (kg) 26.9±7.3 26.3±8.2 n.s.
Fat mass (%) 36.1±6.5 38.2±8.0 n.s.
Fat free mass (kg) 47.5±9.8 42.2±9.2 0.01
General characteristics of the sample (%)§
Marital status
Single 23.8 11.8 n.s.
Married 65.1 79.4
Separated/divorced 3.2 -
Widowed 7.9 8.8
Educational level
Low 1.6 20.0 0.008
Medium 92.1 71.4
High 6,3 8.6