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Table 2 Comparison of characteristics among mothers in the analytic sample, AOF cohort, province of Alberta

From: Association of prenatal medical risk with breastfeeding outcomes up to 12 months in the All Our Families community-based birth cohort

Characteristic

Analytic sample

%

Full AOF cohort

(2008–2010)

%

Alberta

(2014–2018)

%

Number of participants

2706

3388

NA

Maternal age

 24 or younger

6.2

9.0

15.0

 25–34

70.9

71.4

65.8

 35 or older

22.9

19.6

19.2

Maternal education

 High school or less

9.8

10.9

24.9

 Some post-secondary

90.2

89.1

75.1

Household income

 Below $60,000

15.8

18.3

24.5

 $60,000 or greater

84.2

81.7

75.5

 White ethnicity

79.5

78.6

61.9

 Lived in Canada < 5 years

9.4

9.8

 Body mass index, Mean

24.4

24.3

24.6

 Primiparous

49.5

49.0

41.2

 Cesarean delivery

26.3

24.8

29.1

 Preterm birth

7.2

7.0

6.8

 Initiated breastfeeding

97.4

97.9

90.1

 Breastfed to 4 months

80.4

71.8

 Breastfed to 12 months

32.2

39.1

  1. AOF All Our Families. NA Not applicable; values reported come from multiple data sources
  2. Full cohort characteristics: [17, 30]
  3. Alberta characteristics: [31, 32]