• Changes in physical activity during transition to retirement: a cohort study 

      Stenholm, Sari; Pulakka, Anna; Kawachi, Ichiro; Oksanen, Tuula; Halonen, Jaana I; Aalto, Ville; Kivimäki, Mika; Vahtera, Jussi (2016)
      BACKGROUND: Retirement is a major life transition which may affect lifestyle. The aim of this study is to examine within-individual changes in physical activity during the transition from full-time work to retirement. ...
    • Waterborne Outbreak of Gastroenteritis: Effects on Sick Leaves and Cost of Lost Workdays 

      Halonen, Jaana I; Kivimäki, Mika; Oksanen, Tuula; Virtanen, Pekka; Virtanen, Mikko J; Vahtera, Jussi (2012)
      Background In 2007, part of a drinking water distribution system was accidentally contaminated with waste water effluent causing a gastroenteritis outbreak in a Finnish town. We examined the acute and cumulative ...