Skip to main content

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

From: Sleep duration, physical activity, and caloric intake are related to weight status in Mexican American children: a longitudinal analysis

Child characteristics Baseline
(n = 323)
Follow-up 1
(n = 271)
Follow-up 2
(n = 261)
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)
Pubertal status
 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
Family characteristics
 Mother’s enculturationA 4.23 (1.10)
Household income, n (%)
  ≤ $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)
  1. AEnculturation, range 0–5
  2. BSignificant differences between BMI z-score at follow-up 1 and follow-up 2 (p < .05)
  3. CSignificant differences between MVPA at baseline and follow-up 1 (p < 0.01)
  4. Note. Sleep recommendation for children is 9–11 h; MVPA recommendation for children is at least 60 min daily