Baseline characteristics of workers at ten New York City employers recruited for a private-public research collaborative.
Objectively measured daily steps and subsequent long term all cause mortality [online] : the Tapsed prospective cohort study.
Labour market and health trajectories during periods of economic recession and expansion in the United States, 1988-2011.
Epidemiological methods : the effect of envelope type on response rates in epidemiological study of back pain.
Club Zero, better intervention studies and a proposal for an Australian Institute of Occupational and Environmental health.