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Sibling Status Effects on Health in Later Life
Toni Falbo, Sunghun Kim, & Kuanyi Chen University of Texas at Austin
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Sibling Status & Health in Later Life
Sibling Status Effects in Childhood and Adolescence: Achievement & Health Theoretical Models: Dilution of Resources, Admixture, Confluence Sibling Status Effects on Mortality Risk: Firstborn advantage Sibling Status Effects & Longevity: Firstborns among Centenarians
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Wisconsin Longitudinal Study
High School Graduates in 1957 Health in 2004 when Graduates were 65 N = 3968 Calibration sub-sample: n = 1984 Validation sub-sample: n = 1984
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Alternate SEMs Simple. Sibling Status: Direct or Indirect?
Intermediate. Parental SES & Adolescent Aptitude Final. Direct Paths: Educational Attainment & Adolescent Aptitude
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Educational Attainment
Sibship Size Birth Order Sibling Status .85 .74 Education ‘75 Educational Attainment Education ‘92 .99 .97 -.20** .40** .12** -.02 Wealth .81 .68 Household Income Net Worth .51 Health Self-Rating Doctor’s Report Physical Symptoms Diagnosed Illnesses .55 .65 .60 Figure 1. Simple Model
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Educational Attainment
Sibship Size Birth Order Sibling Status .78 .82 Education ‘75 Educational Attainment Education ‘92 .97 .98 -.01 -.38** .40** -.19** .40** .12** .30** .43** Parental SES Father’s Edu Mather’s Edu Income .76 .63 .45 .82 .67 Wealth Household Income Net Worth Adolescent Aptitude IQ HS Grades .86 .68 .52 Health Self-Rating Doctor’s Report Physical Symptoms Diagnosed Illnesses .55 .65 .60 Figure 2. Intermediate Model
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Educational Attainment
Sibship Size Birth Order Sibling Status .78 .82 Education ‘75 Educational Attainment Education ‘92 .97 .98 -.01 -.38** .40** -.19** Parental SES Father’s Edu Mather’s Edu Income .76 .63 .45 .14** .40** .30** .83 .66 Wealth Household Income Net Worth .43** .03 Adolescent Aptitude IQ HS Grades .86 .69 .51 Health Self-Rating Doctor’s Report Physical Symptoms Diagnosed Illnesses .54 .66 .59 .05 Figure 3. Final Model
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Multi-group modeling Cross-validation: calibration vs.validation sub-samples Men vs. Women: Final model NOT equally plausible for men and women. Main difference: Pathway from Aptitude to Educational Attainment
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Limitations High School Graduates, non-Hispanic Whites, Lived with Both Parents Just Matured into Later Life Broad Health Outcome
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Findings Sibling Status Effects Indirect Only
When Parental SES and Aptitude in Model Sibling Status Effects Disappear * Sibling Status not fundamental cause of variation in Educational Attainment or Health in Later Life.
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