Issues in exploring variation in childhood socioeconomic gradients by age: a response to Case, Paxson, and Vogl.
Chen
Edith
E
Department of Psychology, University of British Columbia, 2136 West Mall, Vacouver, BC, Canada V6T 1Z4. echen@psych.ubc.ca <echen@psych.ubc.ca>
Martin
Andrew D
AD
Matthews
Karen A
KA
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006304:Health Status; D006801:Humans; D017063:Outcome Assessment, Health Care; D012923:Social Class