Prevalence changes of pain, sleep problems and fatigue among 8-year-old children: Years 1989, 1999, and 2005

Abstract

Objective: sTo study prevalence changes of self-reported pain, sleep problems, and fatigue among 8-year-old children, and to examine the co-occurrence and associated psychosocial variables of these symptoms. Methods: 3 cross-sectional representative samples were compared in 1989, 1999, and 2005. The frequency of headache, abdominal pain, other pains, sleep problems, and fatigue were studied. In addition, sociodemographic information and child's psychiatric problems were inquired. Results: The prevalence of abdominal pain, sleep problems, and fatigue, in addition to headache in boys and other pains in girls increased significantly (p