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Table 2 Descriptive Statistics for Subjects from Study 2. Values are Mean (SD).

From: Influence of socio-economic status on habitual physical activity and sedentary behavior in 8- to 11-year old children

  < 50,000 $ 50,000 -- 75,000 $ > 75,000 $ Total
Number of Subjects (male/female) 34
(11/23)
52
(27/25)
45
(25/20)
131
(63/68)
Chronolog. Age (yrs.) 8.6 (1.6) 8.7 (1.7) 8.9 (1.8) 8.8 (1.7)
Height (cm) 124.9 (14.4) 126.8 (14.8) 128.7 (13.8) 127.0 (14.4)
Body mass (kg) 27.9 (11.9) 27.1 (9.4) 27.6 (7.9) 27.5 (9.5)
BMI (kg/m2) 17.2 (3.7) 16.4 (2.5) 16.3 (2.1) 16.6 (2.7)
Overweight (%) 11.1 9.3 4.8 7.5
Obese (%) 14.8 4.7 6.5 7.5
MVPA_FM (min/day) 179.7 (83.7) 162.7 (56.6) 187.9 (74.5) 178.0 (71.8)
MVPA_WEL (min/day) * 54.5 (28.7) 49.7 (22.0) 65.0 (29.5) 57.9 (27.8)
Time spent watching TV (hrs/week) * 17.5 (8.5) 15.4 (8.2) 12.5 (5.5) 14.9 (7.4)
  1. MVPA_FM: time spent at moderate-to-vigorous physical activity based on equation by Freedson et al. [18]
  2. MVPA_WEL: time spent at moderate-to-vigorous physical activity based on equation by Welk [20]
  3. * Significant group difference (ANOVA with p = 0.05)