... between Sibship Size and Health Outcomes Next, I investigate the relationship between sibship size and self-reported health. Self-reported health has been shown to predict mortality and is known to ... Butcher and Case 1994) and somewhat poorer health (e.g., Garg and Murdoch 1998). Much attention has been paid to the association between sibship size and education, education and adult health, ... of sibship size with self-reported health is negative for the relevant range, and the relationship between education and health is positive, as expected. For both men and women, adult socioeconomic...