Reetta P Piili, Minna Hökkä, Jukka Vänskä, Elina Tolvanen, Pekka Louhiala, Juho T Lehto
Facing a request for assisted death - views of Finnish physicians, a mixed method study
BMC medical ethics
objectives study model developmental trajectories physical aggression pa toddlerhood preadolescence identify risk factors distinguish typical normative atypical developmental patterns ten cohorts approximately 1000 children n 10658 drawn form nationally representative canadian sample followed 6 years using group based trajectory approach identified three groups children distinct developmental trajectories 2 11 years age one third children 311 followed low desisting trajectory reflected infrequent use pa toddlerhood virtually pa preadolescence majority children 522 followed moderate desisting trajectory reflected occasional use pa toddlerhood infrequent use preadolescence one sixth children 166 followed high stable trajectory pa multivariate logistic regression indicated children high pa trajectory group likely boys 167 ci 15187 low income families 14 ci 127167 families mother completed high school 120 ci 105138 reported using hostileineffective parenting strategies 116 ci 114118 sum results indicate typical developmental pattern pa one occasional declining use time however one sixth children mostly boys disadvantaged families exhibited atypical developmental pattern reflected frequent stable use pa results suggest children learned relatively well inhibit pa end childhood minority failed family risks traditionally found associated antisocial behaviors adolescence appear interfere socialization pa early middle childhood