Meta-analysis of the effects of health promotion intervention in the workplace on depression and anxiety symptoms.

  • Martin A
  • Sanderson K
  • Cocker F
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Abstract

OBJECTIVES: The aim of the study was to investigate whether different types of health promotion intervention in the workplace reduce depression and anxiety symptoms. METHODS: A systematic review and meta-analysis of the literature was undertaken on workplace health promotion published during the period 1997-2007. Studies were considered eligible for inclusion if they evaluated the impact of an intervention using a valid indicator or specific measure of depression or anxiety symptoms. The standardized mean difference was calculated for each of the following three types of outcome measures: depression, anxiety, and composite mental health. RESULTS: Altogether 22 studies were found that met the inclusion criteria, with a total sample size of 3409 employees postintervention, and 17 of these studies were included in the meta-analysis, representing 20 intervention-control comparisons. The pooled results indicated small, but positive overall effects of the interventions with respect to symptoms of depression [SMD 0.28, 95% confidence interval (95% CI) 0.12-0.44] and anxiety (SMD 0.29, 95% CI 0.06-0.51), but no effect on composite mental health measures (SMD 0.05, 95% CI -0.03-0.13). The interventions that included a direct focus on mental health had a comparable effect on depression and anxiety symptoms, as did the interventions with an indirect focus on risk factors. CONCLUSIONS: When the aim is to reduce symptoms of depression and anxiety in employee populations, a broad range of health promotion interventions appear to be effective, although the effect is small.

Author-supplied keywords

  • Adolescent
  • Adult
  • Aged
  • Anxiety
  • Anxiety: physiopathology
  • Anxiety: prevention & control
  • Depression
  • Depression: physiopathology
  • Depression: prevention & control
  • Female
  • Health Promotion
  • Humans
  • Male
  • Mental Health
  • Middle Aged
  • Workplace
  • Young Adult

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Authors

  • Angela Martin

  • Kristy Sanderson

  • Fiona Cocker

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