Table 1 Demographic information and sleep and activity behaviors of Mexican American child U.S. cohort; mean (SD) unless otherwise noted

Female, n (%)

168 (53)

143 (53)

139 (53)

Age, years

8.87 (0.83)

10.36 (0.90)

11.24 (0.91)

BMI z-score

0.98 (1.02)

0.92 (1.06)

0.88 (1.13)^B

Energy Intake, kcals

1715 (481)

1742 (512)

1723 (480)

 Females

< 0.01 (0.58)

–

–

 Males

< 0.01 (0.65)

–

–

Sleep duration, hours

9.60 (0.78);

9.61 (0.80);

9.47 (0.81);

Sleep duration, minutes

576 (47)

577 (48)

568 (49)

MVPA, minutes

63.2 (40.4)

55.1 (29.5)^C

52.7 (30.8)

MVPA, minutes, median

56.7

48.3

47.3

 Mother’s enculturation^A

4.23 (1.10)

–

–

  ≤ $40,000

127 (41)

109 (41)

110 (43)

 $40,001-70,000

103 (33)

97 (37)

90 (35)

  ≥ $70,001

79 (26)

57 (22)

58 (23)