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. 2019 Nov;92(8):1099-1108.
doi: 10.1007/s00420-019-01447-y. Epub 2019 Jun 4.

Sick leave due to musculoskeletal pain: determinants of distinct trajectories over 1 year

Affiliations

Sick leave due to musculoskeletal pain: determinants of distinct trajectories over 1 year

David M Hallman et al. Int Arch Occup Environ Health. 2019 Nov.

Abstract

Purpose: This study aimed to identify sub-groups of workers with different trajectories of sick leave due to musculoskeletal pain over 1 year, and to investigate the extent to which the identified trajectories are associated with personal, occupational, lifestyle, and pain-related factors at baseline.

Methods: Data on 981 blue- and white-collar workers were analyzed in the DPHACTO cohort (2012-2014). The number of days on sick leave due to pain was reported using text messages at 4-week intervals across 1 year. Latent class growth analysis was used to distinguish sub-groups with different trajectories of sick leave. A web-based questionnaire at baseline was used to assess personal, occupational (physical and psychosocial), lifestyle, and pain-related factors. Multinomial regression models were constructed to determine associations between baseline factors and trajectories of sick leave (referencing no sick leave), with adjustment for potential confounders.

Results: Four distinct sub-groups were identified, with trajectories of sick leave due to pain ranging from no sick leave (prevalence 76%; average 0.5 days/year) to some days and increasing sick leave due to pain over 1 year (2%; 89 days/year). The increasing trajectory of sick leave was associated with higher perceived physical exertion, more time in manual work, less social community and influence at work, less leisure-time physical activity, smoking, and more severe symptoms (e.g., multisite pain, low back pain intensity, and pain interference).

Conclusions: We identified four distinct trajectories of sick leave due to musculoskeletal pain. The sub-group with increasing sick leave due to pain was associated with several modifiable physical and psychosocial factors at work and outside work, which may have implications for prevention.

Keywords: Longitudinal; Risk factors; Sickness absence; Workers.

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Conflict of interest statement

The authors have no conflict of interest to declare.

Figures

Fig. 1
Fig. 1
Distinguished trajectories of sick leave due to musculoskeletal pain over 1 year in the DPHACTO cohort (n = 981). The x-axis represents the repeated data collection every 4th week over 1 year starting at baseline (wave 1) with 14 waves in total. The y-axis represents the average predicted number of days on sick leave due to musculoskeletal pain the past month

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