https://www.selleckchem.com/pr....oducts/abr-238901.ht
001). The highest prosocial behaviors score was found among last-borns (p less then 0.001). Resilience score was also highest among last-borns, followed by first-borns, middle-borns, and only children. The lowest happiness score was found among middle-borns. Self-esteem score did not differ by sibling types. These associations were similar in the adjusted model and dichotomized outcomes model. Conclusions Differential impacts of birth order on child mental health, for both positive and negative sides, were found. Further research is