Benedictus, M. (Marije) (2014) The influence of work characteristics on work ability in patients after total hip or knee arthroplasty. thesis, Medicine.
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Abstract
Introduction Because of an ageing working population and increasing prevalence of osteoarthritis, more and more people undergo total hip or knee arthroplasty during their working life. Most patients return to work within 3 months after surgery. However, not much is known about post-operative work ability and which physical and psychosocial work characteristics influence work ability in these patients 6 months post-operatively. Material and Methods A cross sectional study as part of a prospective cohort study by the Orthopaedics department and the Health Sciences department of UMCG. Participating hospitals are the University Medical Centre Groningen, Martini Hospital Groningen, Medical Centre Leeuwarden and Röpcke-Zweers hospital Hardenberg. Data collected from March 2012 until the 10th of March 2014 was used, including N=131 participants. Participants were asked to fill out questionnaires. Work ability was measured with the validated single item question of the Work ability Index. Psychosocial work characteristics were measured using the short version of the Copenhagen Psychosocial Questionnaire, consisting of Quantative work demands, Influence at work (autonomy), Possibilities for development, Job satisfaction, Quality of leadership, Social support from supervisor, Social support from colleagues en Job stress. Physical work characteristics were measured by asking about job function and physical activities at work. A binary logistic regression was performed to analyse associations between physical and psychosocial work characteristics and work ability. Age, gender, BMI, living with partner and/or children, educational level, comorbidity, depression and physical functioning were taken into account as potential confounders. Results The mean age of participants at baseline was 54.76 (SD 5.7) ranging from 37 to 63. The study population included 45 men (46.4%). A total of 38 patients underwent THA (39.2%) and 59 underwent TKA (60.8%). The mean score on work ability was 7.51 (1.6 SD) categorizing 41.2% into poor work ability and 58.8% into moderate to good work ability. Univariate analysis of confounders selected BMI, education, self-reported physical functioning limitations and living with partner and/or children for multivariate analysis. (Wald p < 0.25) Univariate analysis of physical and psychosocial work characteristics adjusted for aforementioned confounders selects 4 subscales of the COPSOQ for multivariate analysis: Influence at work, Possibilities for development, Quality of leadership en Job stress. (Wald p < 0.25) In the final model multivariate analyse with (forward LR method) shows that Quality of leadership (OR: 4.84, 95% CI: 1.35-17.38, p=0.015) significantly contributes to prediction of work ability. Discussion The results show that there is a significant association between Quality of leadership and work ability in patients 6 months after TKA or THA. Knowledge of predicting factors of work ability can be useful in determining the policy to prevent work disability. This study is a preliminary study, and analysis should be repeated once the database is complete. Further research on other factors predicting work ability, and which characteristics of leadership influence work ability in patients 6 months after TKA or THA is needed.
| Item Type: | Thesis (Thesis) |
|---|---|
| Supervisor name: | Stevens, dr. M. and Brouwer, dr. S. and Department of Orthopaedics UMCG and Department of Healtch Sciences UMCG |
| Faculty: | Medical Sciences |
| Date Deposited: | 25 Jun 2020 10:52 |
| Last Modified: | 25 Jun 2020 10:52 |
| URI: | https://umcg.studenttheses.ub.rug.nl/id/eprint/1268 |
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