TABLE 2

Demographic Characteristics of the Children and Families at Baseline by Intervention Status

Intervention Mean (SD)Control Mean (SD)Pa
n619298
Age, mo48.8 (7.6)52.0 (7.1)<.001
Sex, n (%).54
 Boy317 (51.2)159 (53.4)
 Girl302 (48.8)139 (46.6)
Birth wt, kg3.24 (0.44)3.17 (0.51).04
Birth length, cm49.9 (1.8)49.7 (2.0).27
Feeding mode before 6 mo, n (%).004
 Exclusive breastfeeding279 (45.1)120 (41.7)
 Partial breastfeeding234 (37.9)92 (31.9)
 Formula feeding105 (17.0)76 (26.4)
Time spent outdoors, h1.7 (1.1)1.8 (1.0).04
Time spent watching television, h1.1 (0.7)1.3 (1.0).005
Nighttime sleep duration, h9.0 (0.8)9.6 (1.3)<.001
Average feeding time for a meal, min32.4 (11.6)30.5 (9.0).02
Mother’s BMI20.7 (2.3)21.1 (2.5).03
Father’s BMI23.4 (2.7)23.5 (3.1).75
Family structure, n (%).24
 Nuclear family224 (38.2)104 (39.7)
 Extended332 (56.6)150 (57.3)
 Other31 (5.3)8 (3.1)
  • a Baseline characteristics between intervention and control groups were compared and assessed by using χ2 and t tests where appropriate.