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. 2014 Jul 21;13:74. doi: 10.1186/1475-2891-13-74

Table 1.

Sample population characteristics - means or percentages (standard error) in the United States a and Brazil b

Characteristic UNITED STATES
BRAZIL
20-39y
40-59y
60 + y
20-39y
40-59y
60 + y
(n = 1,751) (n = 1,722) (n = 1,947) (n = 13,175) (n = 8,893) (n = 4,322)
Women (%)
51.5 (1.4)
52.7 (1.3)
55.5 (1.1)
51.2 (0.5)
52.8 (0.6)
55.6 (0.9)
Age (y)
29.4 (0.3)
49.2 (0.2)
70.0 (0.3)
29.1 (0.1)
48.5 (0.1)*
69.7 (0.2)
Body mass index (kg/m2)c
28.0 (0.3)
29.2 (0.2)
28.8 (0.2)
24.8 (0.1)*
26.4 (0.1)*
26.3 (0.1)*
Daily energy intake (kJ/day) 9,471.3 (156.9) 9,192.2 (172.4) 7,308.2 (153.1) 8,372.6 (58.6)* 7,702.7 (69.0)* 6,860.5 (73.2)*

aIncludes first day of intake, What We Eat in America, National Health and Nutrition Examination Survey 2007–2008.

bIncludes first day of intake, Household Budget Survey, Individual Food Intake 2008–2009.

*Statistically different at p <0.05.