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Table 1 Baseline characteristics of mother-child pairs in the HOME Study according to the child’s overweight/obesity status at 8 years of agea

From: Patterns of early life body mass index and childhood overweight and obesity status at eight years of age

Variable

Number Normal Weight (%)

Number Overweight or Obese (%)

χ2 p-valueb

All

142

73

 

Maternal Age at Delivery

  

0.28

 18- < 25 years

34 (24)

22 (30)

 

 25- < 34 years

84 (59)

44 (60)

 

 35+ years

24 (17)

7 (10)

 

Maternal Race

  

< 0.01

 Non-Hispanic White

94 (66)

33 (45)

 

 Non-Hispanic Black

41 (29)

36 (49)

 

 Other

7 (5)

4 (6)

 

Household Income

  

0.11

 <$20,000/year

32 (23)

27 (37)

 

 $20,000- < 40,000/year

21 (15)

12 (16)

 

 $40,000- < 80,000/year

49 (35)

20 (27)

 

 ≥$80,000/year

40 (28)

14 (19)

 

Maternal Education

  

0.01

 <=High School

28 (20)

27 (37)

 

 Some College

47 (33)

15 (21)

 

 ≥ College

67 (47)

31 (42)

 

Maternal Marital Status

  

0.02

 Unmarried

47 (33)

36 (49)

 

 Married

95 (67)

37 (51)

 

Child Sex

  

0.45

 Female

76 (54)

43 (59)

 

 Male

66 (46)

30 (41)

 

Breastfeeding Duration

  

0.11

 < 6 months

75 (53)

47 (64)

 

 ≥ 6 months

67 (47)

26 (36)

 
  1. aOverweight or obesity were defined as having age- and sex-standardized BMI z-scores > 1 according to WHO reference data
  2. b χ2 p-value for the proportion of children who were overweight/obese vs. normal weight across covariate categories (k-1 degree of freedom test where k is the number of covariate categories)