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Table 3 Associations of infant feeding practices with ASD among US children aged 2–5 years (unweighted data)

From: Infant feeding practices and autism spectrum disorder in US children aged 2–5 years: the national survey of children’s health (NSCH) 2016–2020

 

Crude Model

 

Adjusted Model

 

t

df

ORs (95% CI)

P

 

t

df

aORs (95% CI)

P

Breastfeeding Duration, Months

-4.36

34296

0.97 (0.96,0.98)

< 0.01

 

-2.67

34275

0.98 (0.97, 1.00)

0.01

Breastfeeding Duration in Categories

        

Never

Reference

 

Reference

> 0–6 months

-1.90

34293

0.82 (0.66, 1.01)

0.06

 

-0.59

34272

0.94 (0.75, 1.16)

0.56

> 6–12 months

-5.73

34293

0.47 (0.37, 0.61)

< 0.01

 

-3.30

34272

0.63 (0.48, 0.83)

< 0.01

> 12–24 months

-4.17

34293

0.57 (0.44, 0.75)

< 0.01

 

-1.93

34272

0.76 (0.58, 1.00)

0.05

> 24 months

-1.52

34293

0.72 (0.47, 1.10)

0.13

 

-0.94

34272

0.81 (0.52, 1.26)

0.35

Ever Breast-fed

         

No

Reference

 

Reference

Yes

-4.55

35048

0.65 (0.53, 0.78)

< 0.01

 

-2.00

35027

0.81 (0.67, 1.00)

0.05

Breastfeeding Status

         

No Breastfeeding

Reference

 

Reference

Partial Breastfeeding

-4.64

35047

0.63 (0.52, 0.77)

< 0.01

 

-2.13

35026

0.80 (0.65, 0.98)

0.03

Exclusive Breastfeeding

-2.06

35047

0.73 (0.54, 0.99)

0.04

 

-0.50

35026

0.92 (0.68, 1.26)

0.62

  1. Adjusted models were adjusted for child age, child sex, year of birth, ethnic group, family income and birth order