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Table 3 Multilevel logistic regression

From: Associations of early marriage and early childbearing with anemia among adolescent girls in Ethiopia: a multilevel analysis of nationwide survey

Variables

Empty model

Model with individual level variables AOR(95%CI)

Model with the community level variable AOR(95%CI)

Model with individual and community-level variables AOR(95%CI)

Individual -level characteristics(n = 3172)

 Marital status

  Never married

 

Ref.

 

Ref.

  Married

 

1.54 (1.07–2.22)*

 

1.53 (1.06–2.20)*

 Religion

  Orthodox

 

Ref.

 

Ref.

  Muslim

 

2.85 (1.79–4.52)*

 

2.51 (1.56–4.01)*

  Protestant

 

1.40 (0.84–2.31)

 

1.36 (0.81–2.25)

  Others

 

7.68 (2.59–21.85)*

 

7.08 (0.88–19.02)

 Place of residence

  Urban

 

Ref.

 

Ref.

  Rural

 

0.86 (0.44–1.81)

 

1.03 (0.46–2.27)

 Wealth Index

  Poorer

 

Ref.

 

Ref.

  Poor

 

0.87 (0.64–1.19)

 

0.90 (0.66–1.22)

  Middle

 

0.92 (0.66–1.27)

 

0.95 (0.69–1.32)

  Rich

 

0.79 (0.56–1.12)

 

0.84 (0.59–1.18)

  Richest

 

0.87 (0.57–0.98)*

 

0.91 (0.60–1.39)

 Level of education

  No Education

 

Ref.

 

Ref.

  Primary education

 

0.45 (0.34–0.65)*

 

0.48 (0.33–0.71)*

  Secondary and higher education

 

0.21 (0.13–0.34)*

 

0.22 (0.13–0.35)*

 Employment

  No

 

Ref.

 

Ref.

  Yes

 

0.85 (0.72–0.99)*

 

0.85 (0.72–1.01)

 Currently pregnant

  No

 

Ref.

 

Ref.

  Yes

 

1.03 (0.76–1.40)

 

1.03 (0.76–1.40)

 Currently breastfeeding

  No

 

Ref.

  

  Yes

 

0.89 (0.74–0.97)*

 

0.89 (0.74–1.08)

 Early childbearing

  No

 

Ref.

 

Ref.

  Yes

 

1.22 (0.77–1.95)

 

1.12 (0.70–1.80)

 Current use of contraceptive

  No

 

Ref.

  

  Yes

 

0.47 (0.26–0.85)*

 

0.57 (0.32–1.04)

 Nutritional status (BMI)

   < 18.5

 

Ref.

 

Ref.

  18.5–24.9

 

0.56 (0.44–0.33)*

 

0.58 (0.45–0.75)*

   ≥ 25

 

0.38 (0.21–0.69)*

 

0.43 (0.32.0.54)*

 Visiting health facility in the last 12 months

  No

 

Ref.

 

Ref.

  Yes

 

1.15 (0.91–1.33)

 

1.10 (0.94–1.30)

Community-level characteristics(n = 645)

 Percentage of adolescents with secondary and higher education in the community

  Low

  

Ref.

Ref.

  High

  

0.64 (0.33–1.23)

0.61 (0.31–1.19)

 Percentage of married adolescents in the community

  Low

  

Ref.

Ref.

  High

  

1.52 (0.68–3.38)

0.79 (0.35–1.77)

 Percentage of adolescents who had childbearing history in the community

  Low

  

Ref.

Ref.

  High

  

4.12 (1.83–5.24)*

2.8 (1.25–6.29)*

 Percentage of adolescents who used contraceptives in the community

  Low

  

Ref.

Ref.

  High

  

0.16 (0.07–0.34)*

0.31 (0.14–0.69)*

Measures of variation

 ICC

0.29*

0.23*

0.25*

0.21*

 Model fit statistics

    

 DIC (−2log likelihood)

7054.6

6919.68

7004.63

6904.29

  1. AOR Adjusted odds ratio, CI confidence interval, DIC deviation information criterion, ICC intraclass correlation coefficient, AIC Akaike information criterion. * Significant at P-value < 0.05