Table 2 Shows the multicollinearity of predictor variables

Child’s age

< 6

Ref.

6–11

1.49

12–23

1.96

≥ 24

2.3

Sex of child

Male

Ref.

Female

1.84

Mother’s education

No formal education

Ref.

Primary and above

1.72

Wealth index

Poor

Ref.

Middle

1.33

Rich

1.67

Health insurance coverage

No

Ref.

Yes

1.14

Diarrhea status

No

Ref.

Yes

1.18

Anemia status of child

No

Ref.

Yes

2.2

Mother’s smoking status

No

Ref.

Yes

1.03

Mean VIF

1.62