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Table 1 Baseline (2005–2008) participant characteristics and differences between included and excluded participants

From: Associations of neighborhood walkability with moderate to vigorous physical activity: an application of compositional data analysis comparing compositional and non-compositional approaches

Participant Characteristics

Included (n = 409)

Excluded (n = 103)

P-value

Age, years, mean (SD)

9.6 (0.9)

9.6 (0.9)

0.54

Female sex, % (n)

46 (190)

42 (43)

0.39

PA measured in summer, % (n)

46 (190)

60 (62)

0.01

BMI z-score, mean (SD)

1.0 (1.3)

1.2 (1.4)

0.23

Puberty initiated, % (n)

23 (95)

26 (27)

0.49

Walkability principal component, mean (SD)

0.0 (1.0)

0.1 (1.0)

0.59

At least 1 parent with a university degree, % (n)

53 (217)

53 (54)

0.94

Hours of sleep, mean (SD)a

10 (0.8)

10 (0.9)

0.62

Hours of sedentary time, mean (SD)a

6 (1.1)

6 (1.3)

0.21

Hours of light physical activity, mean (SD)a

7 (0.9)

7 (1.1)

0.26

Hours of moderate to vigorous physical activity, mean (SD)a

0.6 (0.3)

0.7 (0.3)

0.29

  1. SD standard deviation, n number; a: data available for only 36 excluded participants