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Table 1 Model Descriptions

From: A multilevel non-hierarchical study of birth weight and socioeconomic status

Model Model Type Random Effects Variables Included/Excluded Sample Restrictions
Model I Mixed Model Enumeration district Full model Full sample
Model II Mixed Model Family Full model Full sample
Model III Cross-classified Model Enumeration district, Family Full model Full sample
Model IIIa Cross-classified Model Enumeration district, Family Excluding family-level SES measures Full sample
Model IIIb Cross-classified Model Enumeration district, Family Excluding community-level SES measures Full sample
Model IV Mixed Model Enumeration district Full model Restricted to eldest child in family
Model V Hierarchical Model Enumeration district, Family Full model Restricted to later-born children born in same enumeration district as eldest child in family (nested data hierarchy)
Model VI Cross-classified Model Enumeration district, Family Including covariates available on birth certificate only Full sample
Model VIa Cross-classified Model Enumeration district, Family Including covariates available on birth certificate and gestational duration Full sample
Model VIb Cross-classified Model Enumeration district, Family Including covariates available on birth certificate and maternal smoking status during pregnancy Full sample