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Table 4 Unweighted mediation analyses of Hb level as a mediator in the SCD-anthropometric indices association (n = 11,048)

From: Association of sickle cell disease with anthropometric indices among under-five children: evidence from 2018 Nigeria Demographic and Health Survey

  Unadjusted estimate 95% CI Adjusteda estimate 95% CI
SCD-HAZ score association
 Average indirect effect − 0.444** − 0.515, − 0.380 − 0.328** − 0.387, − 0.270
 Proportion mediated 1.358* 0.726, 4.800 0.928** 0.535, 2.770
SCD-WHZ score association
 Average indirect effect − 0.134** − 0.171, − 0.100 − 0.080** − 0.114, − 0.050
 Proportion mediated 0.609* 0.299, 2.900 0.373* 0.158, 2.010
SCD-WAZ score association
 Average indirect effect − 0.342** − 0.397, − 0.290 − 0.245** − 0.291, − 0.200
 Proportion mediated 0.982** 0.637, 2.190 0.664** 0.423, 1.320
  1. aAdjusted for age, sex, and SES
  2. **P < 0.01, *P < 0.05