CONTENTS — volume 39, no 2, 2013

Editorial

Understanding mechanisms: opening the “black box” in observational studies

Original article

Poor health, unhealthy behaviors, and unfavorable work characteristics influence pathways of exit from paid employment among older workers in Europe: a four year follow-up study
The effect of ill health and socioeconomic status on labor force exit and re-employment: a prospective study with ten years follow-up in the Netherlands
Effectiveness of an exposure-based return-to-work program for workers on sick leave due to common mental disorders: a cluster-randomized controlled trial
Validation of the ACGIH TLV for hand activity level in the OCTOPUS cohort: a two-year longitudinal study of carpal tunnel syndrome
Patient handling and risk for developing persistent low-back pain among female healthcare workers
Breast cancer among shift workers: results of the WOLF longitudinal cohort study
Rotating night shift work and polymorphism of genes important for the regulation of circadian rhythm
Circadian gene expression in peripheral blood leukocytes of rotating night shift nurses
Joint effects of job strain and road-traffic and occupational noise on myocardial infarction
Incidence of myocardial infarction among cooks and other restaurant workers in Sweden 1987–2005

Short communication

Occupational health services in selected International Commission on Occupational Health (ICOH) member countries