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Occup Environ Med 65:242-248 doi:10.1136/oem.2007.033167
  • Original article

An occupational health intervention programme for workers at high risk for sickness absence. Cost effectiveness analysis based on a randomised controlled trial

Table 3 Changes in working ability and the presence of health problems in the treatment arms at the end of the follow-up
Control (n = 138) Intervention (n = 134) 95% CI of the difference
Change in working ability (%)
    Much better 1 4
    Slightly better 13 11
    No change 47 49
    Slightly worse 31 31
    Much worse 8 6
Presence of health problems (%)
    Depression 14 8 −3 to 14
    Fatigue 8 4 −2 to 11
    Stress 7 2 −1 to 11
    Pain 19 20 −11 to 9
    Physical impairment 58 51 −5 to 19
    Insomnia 11 11 −8 to 8
    Working ability 49 52 −15 to 9
    Depression OR fatigue OR stress 19 11 −1 to 17

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