Examining the dimensions and correlates of workplace stress among Australian veterinarians
© Smith et al; licensee BioMed Central Ltd. 2009
Received: 21 October 2009
Accepted: 8 December 2009
Published: 8 December 2009
Although stress is known to be a common occupational health issue in the veterinary profession, few studies have investigated its broad domains or the internal validity of the survey instrument used for assessment.
We analysed data from over 500 veterinarians in Queensland, Australia, who were surveyed during 2006-07.
The most common causes of stress were reported to be long hours worked per day, not having enough holidays per year, not having enough rest breaks per day, the attitude of customers, lack of recognition from the public and not having enough time per patient. Age, gender and practice type were statistically associated with various aspects of work-related stress. Strong correlations were found between having too many patients per day and not having enough time per patient; between not having enough holidays and long working hours; and also between not enough rest breaks per day and long working hours. Factor analysis revealed four dimensions of stress comprising a mixture of career, professional and practice-related items. The internal validity of our stress questionnaire was shown to be high during statistical analysis.
Overall, this study suggests that workplace stress is fairly common among Australian veterinarians and represents an issue that occupies several distinct areas within their professional life.
Veterinarians are exposed to a wide variety of occupational hazards during their working life, including bites, scratches and other trauma from animals, needlestick and sharps injuries, musculoskeletal disorders, occupational dermatoses, car accidents, as well as exposures to zoonotic diseases, x-rays, anaesthetic gases and other chemicals [1–10]. In recent years, increasing attention has been paid to psychosocial factors and work stress among veterinarians, including client interaction, career structure, peer support and suicide [11–18]. A longitudinal study of Australian veterinarians, for example, found that work stress was an important concern for many after 10 years in practice . Stress is not evenly distributed, however, with gender, age and practice type known to be important correlates [12, 20].
Despite this fact, only a few studies have specifically looked at stress among Australian veterinarians, and even fewer have conducted a detailed analysis of stress domains and the associated validity of the survey instrument used for assessment. The purpose of our current study therefore, was to analyse the dimensions of stress among Australian veterinarians, to establish whether certain psychosocial factors were influencing the development and severity of their symptoms, and to assess the statistical validity of our survey instrument.
An anonymous questionnaire survey was mailed to all veterinarians who were registered with the Veterinary Surgeons Board of Queensland and included on the veterinary roll for 2006 . This method was chosen to ensure maximum cost-effectiveness and minimum disruption to their working lives. Our survey instrument was based on previous investigations conducted in the veterinary profession [11, 12, 19], and requested information on demographic and workplace items such as age, sex, weekly working hours, practice type and total career length. Information was then sought regarding perceived stress levels. No exact definition of stress was provided, similar to a previous study from New Zealand , so that respondents could use their own interpretation of what 'stress' actually meant to them. Questions were grouped into three stress dimensions, encompassing 6 topics each:  Career Factors (career structure, promotion, salary, work hours, rest breaks and holidays),  Professional Factors (attitude of colleagues/workmates/superiors/customers, recognition from the public/colleagues or family) and  Practice-Related Issues (number of patients per day, pressure to over service, the possibility of litigation, potential danger from animals/diseases). Responses were collated on a five-way Likert-type scale , ranging from 'none' to 'extreme'.
Questionnaires were mailed to all veterinarians during 2006, with follow-up reminders sent to all participants who had not responded to either the first or second mailing. Data was anonymously entered into a spreadsheet program and statistically analysed. Factor analysis (principal component method and varimax rotation) was performed for all 18 items of the stress questionnaire. Factors with Eigen Values greater than 1 were extracted. The internal consistency of the stress scale was ascertained by calculating Cronbach's alpha [23, 24].
Surveys were distributed to 1038 eligible participants, from whom 664 were returned, giving a response rate of 64.0%. Participants with incomplete or missing answers were then excluded, leaving a total of 567 veterinarians for the final analysis. Slightly less than half (45%) were female. Around one-third (32%) were aged over 50 years, with 31-40 years the second largest age range (comprising 28% of the respondents). Approximately half (48%) worked 31-50 hours per week, 42% treated over 50 patients per week and 53% were their own principal employer. Slightly less than half the respondents (47%) worked in small animal practice.
Demographic and Work-Related Correlations with Veterinary Stress Questionsa
A) My career structure in general
B) My prospects for future promotion
C) Salary that I currently receive
D) Long hours I have to work
E) Not having enough rest breaks per day
F) Not having enough holidays per year
G) Attitude of my colleagues/workmates
H) Attitude of my superiors
I) Attitude of my clients/customers
J) Lack of recognition by the public
K) Lack of recognition by colleagues
L) Lack of understanding by my partner/family
M) Having too many patients per day
N) Not having enough time for each patient
O) Pressure to over-service/over-prescribe
P) Possibility of litigation
Q) Potential danger from animals
R) Potential danger from zoonotic diseases
Correlation Matrix for Work Stress Questions among Australian Veterinarians a
Factor Loadings for Work Stress Responses among Australian Veterinarians
Dimensions of Stress a
Long working hours
Not enough rest
Not enough holidays
Too many patients/day
Not enough time per patient
Fear of litigation
Danger from animals
Danger from diseases
No colleague recognition
This article presents one of the first studies to specifically analyse dimensions of stress among Australian veterinarians and the validity of its related questionnaire. Australia occupies an important component of the world veterinary demographic. By 2002 for example, the relative number of veterinary practitioners in this country was higher than for the United States (US), United Kingdom (UK) and Canada . The most common causes of extreme stress among them was shown to be long working hours per day, not having enough holidays per year, not having enough rest breaks per day, the attitude of customers, lack of recognition from the public and not having enough time per patient. Such findings are consistent with some previous research conducted among veterinarians in the Asia-Pacific region. In Australia for example , the main stressors relating to working conditions were time-related, including long working hours and having insufficient recreation time. In New Zealand , total hours worked were shown to be a main cause of stress. In one German study , the probability of intense psychosocial stress was shown to increase as the number of work hours increased. In another investigation from the same country , correlations were also demonstrated between a high number of working hours and subsequent stress.
Prospects for future promotion, the attitude of superiors and the pressure to over-service or to over-prescribe were the least likely to have caused stress among our Australian veterinarians when the data was analysed as a group. This was somewhat of an interesting finding because quality of leadership and collaboration with co-workers has been previously demonstrated as a stress correlate in other occupations . In the current study however, having insufficient time per patient and the pressure to over-service or over-prescribe were shown to be significant sources of stress for veterinarians in small animal practice. Although the practitioner-client relationship is a very important component of modern veterinary practice, this topic appears to have been rarely studied. What is known is that clients may generate significant negative emotion among veterinarians [13, 14]. In a previous Australian study for example , clients who did not pay their accounts were a source of chronic irritation and stress for the veterinary practitioner. In New Zealand, client expectations were shown to be an important stressor, especially for females . Personal relationships are also known to affect this particular working group, with difficulties achieving a work-life balance having been previously demonstrated among veterinarians . Stress relating to the work-home interface has also been demonstrated among physicians , a comparable occupational group to veterinarians in many ways.
Three main correlates of stress during the current study included age, gender and practice type. Relationships between stress and age have been previously documented in a variety of studies. In Germany for example , veterinarians aged 35-54 years were more likely to experience stress than their older counterparts. Similarly in New Zealand , younger veterinarians experienced more stress from personal relationships, while family needs were shown to be a particular stressor for those aged between 35 and 54. Interestingly, another Australian study  did not record any age-related correlations. In our current investigation, gender was shown to be a strong correlate for almost all aspects of stress. This is again, similar to the aforementioned New Zealand study , where females were significantly more stressed than males regarding hours worked, employer/colleague expectations, client expectations, communication with clients, resources, support from senior staff, professional support and unexpected outcomes. In Germany, female veterinarians engaged in high-risk alcohol consumption more often than their male counterparts, although the latter were more likely to binge drink . In an Australian study of workers who euthanize animals , females reported higher mean levels of stress when compared to their male counterparts.
Another key finding in the current study was evidence of a relationship between stress and working in small animal practice, particularly regarding not having enough time per patient and the pressure to over-service or over-prescribe. Interestingly, an investigation of New Zealand veterinarians  also documented a stress relationship with practice type, albeit in a slightly different manner. Veterinarians working in large or mixed animal practice were more concerned with after hours work than those in small animal practice, while the responsibility for animals' lives was more of a concern for the latter . In Germany, stress was more common among practice owners and veterinarians working in clinical practice than those working elsewhere . It is reasonable to hypothesise that small practice owners or sole operators may be less inclined, or even able, to take sick leave when they feel stressed. Research among their medical counterparts has already shown, for example, that physicians are known to experience a variety of psychosocial stressors , and yet, seldom take sick leave and tend to make less use of primary health care services . Workplace health promotion programs may be useful in this regard, particularly considering that reduced work ability is known to be associated with health and work ability .
For these reasons, learning to cope with stress remains a critical area of professional practice. While the current study and others have clearly demonstrated that job stress and mental pressure do affect veterinarians [11, 12], various anti-stress skills now exist which may help workplace stress to be dealt with in appropriate ways . Support from partners, family and co-workers is always important, and encouragingly, levels of professional support appear to be increasing. A previous study of Australian veterinarians over the past 5 decades, for example, demonstrated that the average recent graduate has had progressively more opportunities for support from other veterinarians . While certain stress-coping skills can be acquired from books or learnt through counselling, they still need to be practiced to enable integration into everyday life . Some research conducted in non-veterinarians has suggested that short duration Stress Management Training (SMT) may be useful in reducing some aspects of stress, anxiety and self-perceived depression . Such strategies may also be useful in the veterinary profession.
Although the current study has clearly demonstrated the presence of stress in Australian veterinary practice, it is also important to keep our findings in perspective. Despite the potential for a wide array occupational hazards, many find that a career in veterinary science is very rewarding . A longitudinal study of veterinarians by Heath  found that after 10 years in practice most participants felt that their career had lived up to expectations and was a great source of satisfaction. Our current study has shown that despite some veterinarians experiencing extreme stress in certain areas, the actual proportion was relatively low, and it is reasonable to hypothesise that their overall levels of stress were not excessive, similar to a previous Australian study . On the other hand, a longitudinal investigation from this country reported that almost three-quarters of veterinarians either agreed or strongly agreed that their veterinary work caused them a significant amount of stress . Either way, the results clearly suggest that stress represents an important issue for Australian veterinarians.
While certain limitations were inherent in the current study, including the reliability of self-reported health measures, our investigation nevertheless provides a detailed analysis of stress dimensions among a large cohort of Australian veterinarians, for what appears to be the first time. Although we achieved a relatively high response rate of 64% using standard methods for postal surveys , a mixed-mode methodology such as that described by Wilkins and colleagues  may have afforded a higher return rate. All of these measures may be useful for future researchers of veterinarians' health to consider.
Overall, this study has demonstrated important correlations between workplace stress and various career, professional and practice-related issues. It appears that stress remains fairly common among Australian veterinarians, and one that occupies several distinct areas within their professional life. From a methodological perspective, the internal validity of our 18-item stress questionnaire was also shown to be high during statistical analysis. In light of the current findings, greater attention should now be focussed on workplace stress within the veterinary profession, to help ensure that practitioners can more effectively deal with stressful situations faced in their daily working lives.
The authors are grateful to all veterinarians who completed their questionnaire. They would also like to acknowledge the assistance of Dr Frances W. Leggat with data management. This project was partly funded by a Research Infrastructure Basic Grant, Commonwealth Department of Education, Science and Technology, James Cook University.
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