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Table 2 Descriptive statistics and physical activity levels by weight group

From: Differences in physical activity and sedentary time in relation to weight in 8–9 year old children

 

Thinness grade 1 or 2 (n = 44)

Lower normal weight (n = 96)

Higher normal weight (n = 102)

Overweight and Obese (n = 59)

P for trend*

Height (cm)

130.8 (6.5)

132.2 (6.4)

134.5 (6.3)

138.6 (5.6)

< 0.001

Weight (kg)

23.4 (2.5)

26.4 (2.7)

31.3 (3.4)

41.0 (5.3)

< 0.001

BMI SDS*

-1.81 (0.47)

-0.65 (0.36)

0.63 (0.40)

2.1 (0.54)

< 0.001

Waist SDS±

-0.32 (0.65)

0.28 (0.55)

1.09 (0.55)

2.35 (0.55)

< 0.001

Fat mass index (kg/m1.28)

2.1 (1.6)

2.8 (1.4)

4.3 (1.5)

8.9 (3.1)

< 0.001

Overall activity (counts/min)

651 (179)

616 (173)

590 (135)

582 (127)

0.013

Light activity (min/day)$

364 (62)

358 (56)

366 (58)

390 (49)

0.006

Moderate activity (min/day)$

59 (21)

55 (23)

53 (21)

52 (18)

0.085

Vigorous activity (min/day)$

14 (12)

12 (11)

10(8)

7 (5)

< 0.001

Very vigorous activity (min/day)$

2 (2)

1 (2)

1 (2)

0.3 (0.6)

< 0.001

Sedentary activity$ (min/day)

314 (52)

327 (89)

325 (128)

353 (169)

0.146

MVPA+ (min/day)

74 (31)

68 (31)

64 (26)

59 (21)

0.002

Meeting recommended activity level (%)

68

55

47

42

0.042v

  1. All values are mean (SD) unless otherwise stated
  2. * Oneway ANOVA with 4 weight groups used to calculate p for linear trend
  3. $Cut points used: Sedentary < 100; Light 100–1999; Moderate 2000–3999; Vigorous 4000–6999; Very Vigorous 7000+
  4. +Moderate to vigorous physical activity
  5. Recommended activity level ≥ 60 min of MVPA activity daily
  6. Chi squared test