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PubMedDate not supplied

Workload and health complaints in overtime workers: a survey.

BACKGROUND: In epidemiological studies on workload and complaints on health, the dose-response relationship should be assessed to design a strategy for the prevention of disease or disability. Evaluation for the relationship between workload and complaints were urgently required. METHODS: The study population consisted of 109 male workers at a car manufacturer workplace. These observations were analyzed to determine exposure to load and subjective complains by standardized questionnaire. Workloads of the target subjects were divided into four groups (A to D), according to the scores of a self-administered questionnaire. RESULTS: Percentage of feeling stressful to each of seven items such as overtime work, irregular work, official trip, nighttime work, no rest and/or no nap, mental workload, and physical workload were 62.4, 34.9, 0.9, 23.9, 18.3, 65.1, and 33.9%, respectively. Pearson's moment correlation coefficient between workload and health complaint was 0.585. After adjusting for age, it became 0.586. Furthermore, odds ratio of the subjects who were grouped into C or D were 13.6 (95% confidence interval 3.0 to 61.4) and 48.0 (95% confidence interval 4.3 to 537.3) against group A, which were all significant. CONCLUSIONS: There was a significant relationship between workload and health complaints in this questionnaire survey. To prevent or lower complaints of workers, improvements of working conditions such as overtime work are recommended to reduce health risk.

Health Status↗
PubMed2005

A human factors engineering conceptual framework of nursing workload and patient safety in intensive care units.

In this paper, we review the literature on nursing workload in intensive care units (ICUs) and its impact on patient safety and quality of working life of nurses. We then propose a conceptual framework of ICU nursing workload that defines causes, consequences and outcomes of workload. We identified four levels of nursing workload (ICU/unit level, job level, patient level, and situation level), and discuss measures associated with each of the four levels. A micro-level approach to ICU nursing workload at the situation level is proposed and recommended in order to reduce workload and mitigate its negative impact. Performance obstacles are conceptualized as causes of ICU nursing workload at the situation level.

Attitude to Health↗
PubMed2006

Methods of measuring nursing workload in Australia.

Continuing and worsening nurse shortages nationally and internationally have reignited the debate in Australia about the methods of measuring nursing workload. As workload is one of the most significant factors in nursing retention, measuring nursing workload reliably is the critical initial step to understanding the relationship between workload, nursing retention and patient safety. In Australia, some states and territories have no measure of nursing workload and those states that have introduced measurement methods are inconsistent in their approach. This paper provides a critical review of the methods of measuring nursing workload with particular reference to Australia. It also explores the strengths and limitations of each approach in terms of its reliability and utility. This review highlights the implications of not understanding fully the impact of excessive workload on patient and nurse safety outcomes.

Australia↗
PubMed2004

The relationship between fast bowling workload and injury in first-class cricketers: a pilot study.

This study examined the relationship between the bowling workload of first-class fast bowlers and injury with the aim of identifying a "safe" fast bowling workload threshold. Twelve male fast bowlers (mean age 25 years) from an Australian state cricket squad were observed for the 1999--2000 cricket season. Workload was quantified by examining fixture scorecards and conducting surveillance at training sessions. Injury data were obtained from Cricket Australia's Injury Surveillance System. The seasonal incidence of injury was high with seven bowlers sustaining nine injuries. Whilst injured bowlers did not tend to bowl a greater number of deliveries on the day of injury, a significant increase in deliveries per session was observed in the 8-21 days prior to the date of injury (mean= 77) as compared with the rest of the season (mean= 60, p< 0.02). Bowlers with a weekly bowling workload above the mean of 203 deliveries were at an increased risk of injury (Risk Ratio (RR)= 6.0, 95% confidence interval (CI) 1.00-35.91). Those bowlers who bowled in five or more sessions in any 7-day period were also at an increased risk of injury (RR= 4.5, 95% CI 1.02 to 20.12). A consistent relationship between high bowling workload and injury was observed. The risk of injury was much higher for those bowlers with a sessional, weekly and monthly bowling workload above the group mean, especially when this high workload was consistent and sustained.

Adult↗
PubMed2000

Effects on nursing workload of different methicillin-resistant Staphylococcus aureus (MRSA) control strategies.

Nursing staff workload may influence hospital-acquired staphylococcal transmission. Closure of wards to new admissions is used in some institutions as part of methicillin-resistant Staphylococcus aureus (MRSA) outbreak control, and we postulated that it worked by reducing staff workload, allowing more time for good infection control practices. We have used the GRASPCopyright workload system to compare nursing workload during six MRSA outbreaks. Two outbreaks occurred while an aggressive control policy ('old'; 1994-1995) was in place, with a low threshold for ward closure. Control measures had been relaxed before the later four outbreaks, with wards remaining fully or partially open unless MRSA transmission proved intractable ('new'; 1995-1996). To standardize the analysis we compared GRASP and epidemiological data for periods while MRSA transmission was occurring on each ward ('during'), and four week periods 'before' and 'after'. Closing wards to admissions reduces staff workload towards a quality environment, although the nursing requirements of remaining patient rises. Workload pressures may rise during outbreaks if wards are not closed quickly and fully, and patients are not transferred to specialist isolation facilities. Changes in nursing workload need to be assessed during comparative studies of outbreak control measures and the GRASP(c) system appears to be a sensitive way to measure these.

Cross Infection↗
PubMed2005

Methodological approaches to anaesthetists' workload in the operating theatre.

This review examines the basic concepts of workload and methods of measuring them. The components of anaesthetists' operating room activities, and the factors contributing to workload, are analysed using an ergonomic-based model for technological environments. The available evidence on the relationship between workload and training and supervision is presented and the effect of workload on the quality and safety of anaesthetic care is reviewed. There is, as yet, only a small body of work examining workload and its effects in anaesthesia. While studies have identified the general pattern of workload in relation to the different stages of the perioperative period, measurement, particularly of overlapping tasks, is still evolving. It is clear, however, that induction and emergence are the most intense periods of both practical and 'non-technical' aspects of work. Allocation of attention to a range of tasks simultaneously is a key characteristic of anaesthetic practice. Experienced staff appear to show 'spare capacity' in performance during routine cases, which, we suggest, allows them an attentional 'safety margin' should adverse events occur. The effects of production pressure and mental 'overload' remain speculative and so practical recommendations for anaesthetic staffing, both in terms of numbers and matching skills to surgical demand, cannot be made. The potential for delegation of tasks, for instance to non-physician anaesthetists, can also not be made on evidence-based grounds. Strategies for active management of workload may be useful in practice.

Anesthesia Department, Hospital↗
PubMed2003

A systematic review of the effect of different models of after-hours primary medical care services on clinical outcome, medical workload, and patient and GP satisfaction.

BACKGROUND: The organization of after-hours primary medical care services is changing in many countries. Increasing demand, economic considerations and changes in doctors' attitudes are fueling these changes. Information for policy makers in this field is needed. However, a comprehensive review of the international literature that compares the effects of one model of after-hours care with another is lacking. OBJECTIVE: The aim of this study was to carry out a systematic review of the international literature to determine what evidence exists about the effect of different models of out-of-hours primary medical care service on outcome. METHODS: Original studies and systematic reviews written since 1976 on the subject of 'after-hours primary medical care services' were identified. Databases searched were Medline/Premedline, CINAHL, HealthSTAR, Current Contents, Cochrane Reviews, DARE, EBM Reviews and EconLit. For each paper where the optimal design would have been an interventional study, the 'level' of evidence was assessed as described in the National Health and Medical Research Council Handbook. 'Comparative' studies (levels I, II, III and IV pre-/post-test studies) were included in this review. RESULTS: Six main models of after-hours primary care services (not mutually exclusive) were identified: practice-based services, deputizing services, emergency departments, co-operatives, primary care centres, and telephone triage and advice services. Outcomes were divided into the following categories: clinical outcomes, medical workload, and patient and GP satisfaction. The results indicate that the introduction of a telephone triage and advice service for after-hours primary medical care may reduce the immediate medical workload. Deputizing services increase immediate medical workload because of the low use of telephone advice and the high home visiting rate. Co-operatives, which use telephone triage and primary care centres and have a low home visiting rate, reduce immediate medical workload. There is little evidence on the effect of different service models on subsequent medical workload apart from the finding that GPs working in emergency departments may reduce the subsequent medical workload. There was very little evidence about the advantages of one service model compared with another in relation to clinical outcome. Studies consistently showed patient dissatisfaction with telephone consultations. CONCLUSIONS: The rapid growth in telephone triage and advice services appears to have the advantage of reducing immediate medical workload through the substitution of telephone consultations for in-person consultations, and this has the potential to reduce costs. However, this has to be balanced with the finding of reduced patient satisfaction when in-person consultations are replaced by telephone consultations. These findings should be borne in mind by policy makers deciding on the shape of future services.

After-Hours Care↗
PubMed2004

Psychological workload and body weight: is there an association? A review of the literature.

BACKGROUND: According to Karasek's Demand/Control Model, workload can be conceptualized as job strain, a combination of psychological job demands and control in the job. High job strain may result from high job demands combined with low job control. Aim To give an overview of the literature on the association between obesity and psychological workload. METHOD: We carried out a review of the associations between psychological workload and body weight in men and women. In total, 10 cross-sectional studies were identified. RESULTS: The review showed little evidence of a general association between psychological workload and body mass index. Only weak positive associations were found, and only between elements of psychological workload and overall body weight. For body fat distribution, two out of three studies showed a positive association in men, but the associations became insignificant after adjustment for education. For women, there was no evidence of a consistent association. CONCLUSION: The reviewed articles were not supportive of any associations between psychological workload and either general or abdominal obesity. Future epidemiological studies in this field should be prospective or experimental, and should examine how chronic work stress affects eating and to what extent initial body weight is a predictor for individual differences in perceived psychological workload.

Body Mass Index↗
PubMed1994

An objective methodology for task analysis and workload assessment in anesthesia providers.

BACKGROUND: Administering anesthesia is a complex task in which either human or equipment failure can have disastrous consequences. An improved understanding of the nature of the anesthesiologist's job could provide a more rational basis for improvements in provider training as well as the design of anesthesia equipment. The objective of this study was to develop a set of techniques to evaluate anesthesiologist performance and to determine what information could be obtained from performing real-time task assessment and workload analysis tests in the operating room. METHODS: The methodology used included time-motion analysis, secondary task probing, and subjective workload assessment. The time-motion data was subjected to subsequent analysis to generate quantitative measures such as task duration (time spent focused on an individual task) and task density (the number of tasks initiated per minute). The latency of response to a "vigilance light" was used as a secondary task probe. Finally, both the observer and the subjects themselves scored workload at 10-15-min intervals throughout the case. Two groups of anesthesia providers performing general endotracheal anesthesia for simple ambulatory surgical cases (1-4 h duration) were examined using this methodology. In the first group, 3rd-yr anesthesia residents and experienced certified registered nurse anesthetists (n = 11) performed cases under limited supervision by an attending anesthesiologist. In the second group, novice residents in their first 8 weeks of training (n = 11) performed similar cases under nearly constant attending supervision. RESULTS: The two groups seemed to manifest different patterns of task behavior, task density, subjective workload, and latency of response to the vigilance task. Response latency to the vigilance task increased at times of increased workload (e.g., during induction of anesthesia). The experienced (less supervised) providers spent significant amounts of time observing the monitors and the surgical field, whereas the novice subjects spent more time conversing with the supervising attending. Despite performing fewer tasks per minute (lower task densities), the novice subjects exhibited longer latencies of response to the vigilance light and increased subjective workload. Novice subjects also had longer task duration values. For example, postintubation, novices focused on their monitors for an average of twice as long as did experienced subjects (13 +/- 2 vs. 7 +/- 1 s) before moving on to another task. CONCLUSIONS: These techniques permitted an objective description of task characteristics, workload, and vigilance in anesthesia personnel under actual work conditions. This methodology could aid in understanding the factors that affect anesthesiologists' performance and may prove useful in assessing the progress of training.

Anesthesiology↗
PubMed1997

The workload of trainees in general practice.

During their first training period in general practice the authors felt that they did not encounter the balanced workload which is the foundation for learning to be a GP. Previous studies confirmed the existence of differences in overall and specific workload between trainees and trainers. From their own experience and from the relevant literature they addressed several factors which might affect the workload of trainees. A study was undertaken to determine differences in workload between trainees and trainers, and to investigate whether certain characteristics of practice and of trainees affect the workload of trainees. Details of surgery consultations with 34 trainee-trainer partnerships were recorded in the north of the Netherlands over 2 weeks. Questionnaires were filled in by trainers, trainees and practice assistants from these 34 general practices. The total number of contacts recorded was 10,103. It was found that trainees see fewer elderly and female patients, less chronic and oncological conditions, but more minor illnesses. They see only 30% of patients with problem behavior. Factors that influence the trainees' workload, as compared to their trainers' are: list size; selection in the allocation of patients; trainee's experience prior to starting the training stage, and the trainee's sex. Except for problem behaviour, trainees generally see a cross-section of their trainer's practice population. Selection would provide a more balanced workload for trainees.

Aged↗
PubMed2005

Is bowling workload a risk factor for injury to Australian junior cricket fast bowlers?

OBJECTIVES: To examine whether bowling workload is a risk factor for overuse injury to Australian junior cricket fast bowlers and to evaluate the appropriateness of current bowling workload guidelines. METHODS: Forty four male fast bowlers (mean (standard deviation) age 14.7 (1.4) years) were monitored prospectively over the 2002-2003 season. Bowlers completed a daily diary to record bowling workloads and self reported injuries, which were validated by a physiotherapist. Bowling workload prior to the first injury (for those bowlers who were injured) was compared to workload across the whole season for uninjured bowlers. RESULTS: Eleven (25%) bowlers reported an overuse-type injury, with seven of these sustaining a back injury. Injured bowlers had been bowling significantly more frequently than uninjured bowlers (median number of days since the previous bowling day: 3.2 v 3.9 days, Mann-Whitney U = 105.0, p = 0.038). Compared with bowlers with an average of > or =3.5 rest days between bowling, bowlers with an average of <3.5 rest days were at a significantly increased risk of injury (risk ratio (RR) = 3.1, 95% confidence interval (CI) 1.1 to 8.9). There were also trends towards an increased risk of injury for those who bowled an average of > or =2.5 days per week (RR = 2.5, 95% CI 0.9 to 7.4) or > or =50 deliveries per day (RR = 2.0, 95% CI 0.7 to 5.4). CONCLUSIONS: This study has identified high bowling workload as a risk factor for overuse injury to junior fast bowlers. Continued research is required to provide scientific evidence for bowling workload guidelines that are age-specific for junior fast bowlers.

Adolescent↗
PubMed1992

Prediction of general practice workload from census based social deprivation scores.

STUDY OBJECTIVE: The aim was to compare the ability of census based social deprivation scores devised by Jarman, Carstairs, and Townsend to predict workload in general practice. DESIGN: This was a prospective study of 140,050 patients registered with general practices over one year from 1 July 1981 (Third National Morbidity Survey). Main outcome measures were workload score for each patient, defined as a weighted sum of consultations at the surgery and consultations elsewhere, excluding preventive procedures. SETTING: 25 general practices in England and Wales. MAIN RESULTS: In multivariate analyses the Jarman, Carstairs, and Townsend indices all predicted workload, but the Townsend index was the best predictor, with both housing tenure and car ownership being strong predictors of workload. The overcrowding and geographical mobility variables used in the Jarman index did not predict increased workload. The weighting assigned to children under five by the Jarman index underestimated the additional workload this group generated. CONCLUSIONS: For identifying social pressures on general practice workload the Jarman index is less valid than other census based scores because it fails to include car ownership and housing tenure. A more rational scheme for compensating general practitioners would directly weight the capitation fee for children aged under five years and allocate current deprivation payments according to the Townsend index or a similar score. This would redistribute resources from London to deprived areas in northern England.

Adolescent↗
PubMed2004

Internal consistency and validity of a new physical workload questionnaire.

AIMS: To examine the dimensionality, internal consistency, and construct validity of a new physical workload questionnaire in employees with musculoskeletal complaints. METHODS: Factor analysis was applied to the responses in three study populations with musculoskeletal disorders (n = 406, 300, and 557) on 26 items related to physical workload. The internal consistency of the resulting subscales was examined. It was hypothesised that physical workload would vary among different occupational groups. The occupations of all subjects were classified into four groups on the basis of expected workload (heavy physical load; long lasting postures and repetitive movements; both; no physical load). Construct validity of the subscales created was tested by comparing the subscale scores among these occupational groups. RESULTS: The pattern of the factor loadings of items was almost identical for the three study populations. Two interpretable factors were found: items related to heavy physical workload loaded highly on the first factor, and items related to static postures or repetitive work loaded highly on the second factor. The first constructed subscale "heavy physical work" had a Cronbach's alpha of 0.92 to 0.93 and the second subscale "long lasting postures and repetitive movements", of 0.86 to 0.87. Six of eight hypotheses regarding the construct validity of the subscales were confirmed. CONCLUSIONS: The results support the internal structure, internal consistency, and validity of the new physical workload questionnaire. Testing this questionnaire in non-symptomatic employees and comparing its performance with objective assessments of physical workload are important next steps in the validation process.

Adult↗
PubMed2005

Workload of radiologists in the United States in 2002-2003 and trends since 1991-1992.

PURPOSE: To measure the workload of radiologists in the United States in 2002-2003, variations in workload according to practice characteristics, and trends since 1991-1992. MATERIALS AND METHODS: Non-individually identified data from the American College of Radiology (ACR) 2003 Survey of Radiologists were compared with data from previous ACR surveys; all statistics were nationally representative. Workload according to individual practice characteristics, such as size, type, location, and setting, was tested for statistically significant differences from the overall average. Time trends and the independent effect on workload of practice characteristics were measured with regression analysis. Changes in average procedure complexity were calculated in physician work relative value units (RVUs) per Medicare procedure. RESULTS: In 2002-2003, the average workload per full-time equivalent (FTE) radiologist was 13,900 procedures annually (standard error of mean, 200), an increase of 8.1% since 1998-1999 (P < .05) and 25.1% since 1991-1992 (P < .01). Academic practices performed 9900 procedures per FTE radiologist, and private radiology practices performed 15,200 procedures per FTE radiologist. Within most practice categories, radiologists at the 75th percentile of workload typically performed at least 50% more procedures than radiologists at the 25th percentile. Average physician work RVUs per Medicare procedure increased by 6.2% between 1998 and 2002 and by 21.6% between 1992 and 2003, mainly because of an increase in the share of more complex techniques such as magnetic resonance imaging and computed tomography in the procedure mix. CONCLUSION: Workload per radiologist measured in procedures and RVUs increased steadily between 1991-1992 and 2002-2003. Because there is much unexplained variation, averages or medians should not be used as norms.

Data Interpretation, Statistical↗
PubMed1995

Influence of task demand characteristics on workload and performance.

Two experiments are reported that examined the influence of variation in task demand on performance and workload. The first experiment considered how the manipulation of prior level of task demand affected subsequent workload and performance. The second experiment examined the effects on performance and workload of increments in the level of task demand. Results from the first study indicated that prior level of imposed task difficulty did affect response in a manner consistent with a scaling of workload in relation to previous task conditions. The second study demonstrated the primacy of absolute demand level over increments in that demand as influencing operator response. Overall, our results indicate that workload and performance are sensitive to multiple characteristics of the task and not instantaneous demand level alone. These findings are important in explaining why association and dissociation occur between task demand, operator efficiency, and perceived workload in differing performance contexts. The importance of these findings for the aviation psychologist in assessing pilot and operator workload is articulated.

Adult↗
PubMed2002

Workload of radiologists in the United States in 1998-1999 and trends since 1995-1996.

OBJECTIVE: This article measures the workload of radiologists in the United States in 1998-1999, its variation by practice characteristics, and changes since 1995-1996. MATERIALS AND METHODS: Data on procedures performed were collected from the American College of Radiology's 1999 Survey of Practices, and responses were weighted to make them representative of all radiologists in the United States. Workload measured as number of procedures per full-time equivalent diagnostic radiologist was tabulated by practice type, size, setting, and location and compared with corresponding survey results from 1995-1996. The independent effect of these factors on workload was measured using regression analysis. Changes in procedure complexity were calculated in terms of relative value units (RVUs) per procedure using Medicare files. RESULTS: In 1998-1999, the average workload per full-time equivalent diagnostic radiologist had increased 8.5% since 1995-1996 to 12,800 (standard error = 200) procedures annually, with substantial variation by group type. For example, the average workload was 9400 procedures in academic groups and 13,600 in nonacademic private radiology practices. Even in relatively homogeneous categories of practices, radiologists at the 75th percentile of workload were typically performing at least 50% more procedures than radiologists at the 25th percentile. Average RVUs per Medicare procedure increased by 4% between 1995 and 1998, mainly because of an increase in the share of more complex techniques such as MR imaging and CT in the procedure mix. CONCLUSION: The workload per radiologist measured in procedures and RVUs increased substantially between 1995-1996 and 1998-1999. Because much variation remains unexplained, averages or medians should not be used as norms.

Data Interpretation, Statistical↗
PubMedDate not supplied

"Why are we working so hard?" A cross-sectional survey of factors influencing GP workload in the Eastern Regional Health Authority area.

There is increasing evidence to suggest that the subjective workload of GPs in Ireland is too heavy. The aims of this study, therefore, were to identify the social and demographic issues that GPs perceive as being implicated in determining their workload. A self-administered questionnaire, inviting GPs to score a series of factors according to the degree to which it increased their workload, was sent to one-quarter of GPs practising in the Eastern Regional Health Authority (ERHA) area. The response rate was 71%. Seventy-nine (60%) felt their workload was 'too heavy,' while 109 (85%) felt they could improve the quality of care they provide, if their workload was reduced. Access to OPD services (mean score = 7.31), access to other hospital services (mean score = 7.16), and the number of elderly patients (mean score = 6.28) were considered to be the most important factors in determining workload. This paper describes the factors that impact on self-perceived workload for GPs, factors which need to be considered when planning and funding future developments in primary care.

Adult↗
PubMed2002

Decision latitude and workload demand: implications for full and partial absenteeism.

This research examined the relative importance of two components of job stress--decision latitude and workload demand--on employee absenteeism. The analysis was based on confidential self-reported data from employees at two worksites, which were collected in three independent cross-sections beginning in 1995. The negative binomial technique was used to estimate the effects of decision latitude and workload demand on employee attendance, while controlling for employee demographics and other workplace characteristics. Estimation results show that high decision latitude was negatively and significantly related to number of full days absent from work (full absenteeism) and number of days arriving late to work or leaving work early (partial absenteeism). Conversely, the coefficient estimates for low decision latitude were positive in every model and significantly related to partial absenteeism. Low workload demand was negatively and significantly related to partial absenteeism, but not full days absent. The interaction effects of decision latitude and workload demand on absenteeism were not statistically significant. Several recent studies have estimated a significant relationship between decision latitude, workload demand, and medical problems such as cardiovascular disease. The current findings suggest that decision latitude and workload demand are also related to workplace attendance. Employers and occupational hygienists should consider decision latitude and workload demand as a means to improve workplace productivity and employee health.

Absenteeism↗