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Table 1 Mean ± SD anthropometric measurements of children

From: Objectively assessed recess physical activity in girls and boys from high and low socioeconomic backgrounds

  Age (years) Body mass (kg) Stature (cm) Body mass index (kg.m-2)
Whole group (n = 361) 8.8 ± 1.5 31.2 ± 8.1 132.8 ± 9.6 17.4 ± 2.7
Boys (n = 182) 8.8 ± 1.9 31.5 ± 8.3 133.5 ± 9.2 17.4 ± 2.8
Girls (n = 179) 8.8 ± 1.5 30.9 ± 7.9 132.2 ± 9.9 17.4 ± 2.6
High-SES group (n = 160) 8.7 ± 1.6 30.3 ± 7.5 133.3 ± 9.5 17.1 ± 2.3
Low-SES group (n = 172) 8.9 ± 1.4 31.9 ± 8.5 132.3 ± 9.6 17.7 ± 2.9*
  1. high-SES: high socio-economic status; low-SES: low socio-economic status.
  2. *: significantly different between high-SES and low-SES groups at p < 0.05.