Abbreviations. OR: odds ratio; EB-OR: Empirical-Bayes adjusted odds ratios. aDisorders of the breast include benign mammary dysplasia, inflammatory disorders of breast, hypertrophy of breast, unspecif
Introduction: To examine the geographical variation in change in the levels of physical fitness from 2005 to 2014 among Chinese children and adolescents. Methods: A total of 663,813 children 7 to 18 y
