Influence of lifestyle factors on long-term sickness absence among female healthcare workers: a prospective cohort study

BMC Public Health

Lars L Andersen¹  Jakob B Bjorner³  Andreas Holtermann¹  Thomas Clausen¹  Ulla Christensen²  Birthe L Thomsen¹  Helle Gram Quist¹ 

[1] National Research Centre for the Working Environment, Lerso Parkallé 105, 2100 Copenhagen, Denmark;Department of Public Health, University of Copenhagen, Section of Social Medicine, Oster Farimagsgade 5, 1014 Copenhagen, Denmark;QualityMetric/OptumInsight, 24 Albion Road, 02865 Lincoln, RI, USA

关键词: Cohort study;    Physical activity;    Body mass index;    Smoking;    Lifestyle;    Long-term sickness absence;   

Others  :  1126117
DOI  :  10.1186/1471-2458-14-1084

 received in 2014-04-19, accepted in 2014-10-13,  发布年份 2014

【 摘 要 】

Background

While previous research has indicated that unhealthy lifestyle is associated with sickness absence, this association may be confounded by occupational class. To avoid this potential confounding, we examined the association between lifestyle factors (smoking, leisure-time physical activity and body mass index) and the occurrence of long-term sickness absence (LTSA; more than three consecutive weeks of registered sickness absence) within a cohort of female health care workers.

Methods

A total of 7401 employees filled out a questionnaire about their health behaviour and work environment. Subsequently, they were followed for 12 months in a national register on social transfer payments (DREAM register). Cox’s regression analyses, applied to grouped survival data, were used to estimate the prospective association between these lifestyle factors and LTSA.

Results

We found significant associations between all three lifestyle factors and risk of LTSA. The strongest lifestyle factor was current smoking, which increased the risk of LTSA by 35% (95% CI: 1.17-1.54) compared to non- smokers. For body mass index, the risk of LTSA increased with the distance away from 18.5 kg/m² in either direction (below 18.5 kg/m²: HR: 1.32 per kg/m²; 95% CI. 1.06-1.66; above 18.5 kg/m²: HR: 1.04 per kg/m²; 95% CI: 1.03-1.05). In other words, the more underweight or overweight the women were, the higher the risk of LTSA. A dose–response relationship was found between LTSA and leisure-time physical activity (trend test p-value = 0.01), so that increasing physical activity results in decreasing risk of LTSA.

Conclusion

In female healthcare workers, an unhealthy lifestyle (too high/ too low body mass index, smoking, and low physical activity) is associated with higher risk of LTSA.

【 授权许可】

   
2014 Quist et al.; licensee BioMed Central Ltd.

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