TY - JOUR T1 - Online original article and case report JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 165 LP - 165 VL - 39 IS - 3 A2 - , Y1 - 2005/03/01 UR - http://bjsm.bmj.com/content/39/3/165.abstract N2 - The following electronic only articles are published in conjunction with this issue of BJSM (see also pages 136 and 158) S G van den Heuvel, H C Boshuizen, V H Hildebrandt, et al Objectives: To determine the effects of sporting activity on absenteeism in a working population. Methods: Data were used from a prospective cohort study in a working population with a follow up period of 3 years and were collected with yearly questionnaires or collected from company records. Complete data on absenteeism, sporting activity, and potential confounders were … ER -