Table 1.

Basic characteristics of participants.

	Children and Adolescents (1–17 years old)	Adults (18–59 years old)	Senior Citizens (60–85 years old)
Number (n)	971	1730	251
Male (%)	47.9	46.6	45.4
Age (x (sd), years)	12.0 (2.5)	39.3 (5.0)	68.3 (5.9)
Weight (x (sd, Kg))	44.9 (15.5)	66.3 (12.8)	63.4 (9.1)
Labor intensity (%)
Mild	64.5	60.5	80.5
Moderate	33.5	36.0	18.7
Severe	2.1	3.6	0.8
Percentage of meals eaten outside the home (%)
breakfast	23.2 (33.7)	28.9 (36.4)	4.7 (13.6)
lunch	61.9 (37.3)	54.8 (38.1)	9.7 (19.9)
supper	10.7 (17.7)	18.4 (24.6)	5.1 (13.3)
Area (%)
urban	37.2	37.2	54.6
suburban	62.8	62.8	45.4