title: Importance of stratification by age.
authors.forename: A
authors.initials: A
authors.lastname: Callan
mesh_terms: D000367:Age Factors; D001460:Barbados / Q000208:ethnology; D005006:Ethnicity / Q000523:psychology*; D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data*; D006778:Hospitals, Psychiatric; D006801:Humans; D007563:Jamaica / Q000208:ethnology; D008297:Male; D012559:Schizophrenia / Q000175:diagnosis / Q000208:ethnology / Q000628:therapy*; D012565:Schizophrenic Psychology