Table 2 Child weight and neighborhood built environment characteristics at time 1 and time 2

Child weight

 Mean (SD) BMIz

0.72 (1.11)

0.81 (1.05)

0.85 (1.14)

0.93 (1.07)

 Mean (SD) BMI %ile

68.95 (28.45)

71.72 (26.44)

71.81 (28.55)

74.3 (26.51)

 % overweight

18.7%

19.0%

18.8%

19.0%

 % obese

22.9%

24.1%

28.4%

29.7%

Neighborhood environment characteristics

 % Low healthy food access

44.1%

43.8%

45.4%

45.3%

 Walkability index [0–20]

10.1 (3.2)

9.6 (2.6)

11.5 (3.3)

11.0 (2.3)

Change in healthy food access

 % From [ample] access to low access

-

-

6.3%

11.4%

 % No change

-

-

90.9%

86.7%

 % From low access to [ample] access

-

-

2.7%

1.9%

Changes in walkability index, Mean (SD)

-

-

1.39 (1.61)

1.33 (2.45)

Changes in walkability index^a

 % No change or decrease

-

-

24.9%

27.9%

 % Small increase

-

-

35.5%

31.3%

 % Moderate increase

-

-

39.6%

40.8%