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J Adv Nurs. 2007 Feb;57(3):286-95.
What degree of work overload is likely to cause increased sickness absenteeism among nurses? Evidence from the RAFAELA patient classification system.
Rauhala A, Kivimaki M, Fagerstrom L, Elovainio M, Virtanen M, Vahtera J, Rainio AK, Ojaniemi K, Kinnunen J.
Vaasa Hospital District, Vaasa, Finland.
AIM: This paper reports a study examining whether nurses’ work overload is associated with increased sick leave and quantifying the loss of working days from work overload. BACKGROUND: The RAFAELA patient classification system indicates nursing care intensity in relation to an optimum and is one of the few validated monitoring instruments of patient-associated workload among nurses. However, it is not clear whether work overload is a risk factor for increased sickness absenteeism, an important occupational problem in health care. METHOD: An observational cohort study was carried out with 877 nurses, 31 wards and five Finnish hospitals. Patient-associated workload scores from the RAFAELA system were based on a 6-month monitoring period in 2004. Records of 12-month self certified (1-3 days) and medically certified (>3 days) periods of sick leave in the same year were obtained from employers’ registers. FINDINGS: The mean workload was 9% (sd = 8%) above the optimum. There was a linear trend between increasing workload and increasing sick leave (P or =30% above the optimum the rate of self certified periods of sick leave was 1.44 (95% CI 1.13-1.83) times higher than among those with an optimum workload. The corresponding rate ratio for medically certified sick leave was 1.49 (1.10-2.03). These excess rates of sickness absence resulted in 12 extra sick leave days per person-year. CONCLUSION: Measuring nurses’ workload may be an important part of strategic human resource management of nurses to reduce sick leave among nurses.