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Table 3 Random effects, model fitness, and multicollinearity

From: Prevalence and factors associated with unintended pregnancy among adolescent girls and young women in sub-Saharan Africa, a multilevel analysis

Random effects

Model I (null)

Model II

Model III

Model IV

Community level variance (SE)

0.56 (0.13)

0.45(0.12)

0. 31 (0.07)

0.31 (0.07)

ICC (%)

14.59

14.34

8.80

6.90

PCV (%)

1.00

20.01

44.64

44.64

Model fitness

 LLR (Log-likelihood Ratio)

−10,133.49

−10,107.14

−10,123.44

−10,097.17

 Deviance (−2LL)

20,266.98

20,214.28

20,246.88

20,194.34

Multicollinearity

 VIF

–

–

–

1.39

  1. ICC intracluster correlation coefficient, PCV proportional change in variance, 1.00 reference, VIF variance inflation factor