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Perceived work-related stress and its associated factors among public secondary school teachers in Gondar city: a cross-sectional study from Ethiopia
BMC Research Notes volume 13, Article number: 36 (2020)
Abstract
Objective
We conducted a cross-sectional study to assess perceived work-related stress and associated factors among public secondary school teachers in Gondar city, northwest Ethiopia. A self-completed questionnaire was used for data collection. Data was entered into Epi-info version 7.1 and analyzed by SPSS version 20 software. The associations between dependent and independent variables were assessed using a multivariate binary logistic regression analysis based on the adjusted odds ratio (AOR) with 95% confidence intervals (CI) and p values < 0.05.
Results
The response rate was 96.4%. The overall prevalence of perceived work-related stress was 58.2%. Teaching experience < 5 years (AOR 2.03, 95% CI (1.10, 3.73), education level BSC/BED (AOR 1.66, 95% CI (1.07, 3.17), high job demand (AOR 1.61, 95% CI (1.29, 3.74), and poor relationships (AOR 1.88, 95% CI (1.07, 3.31) were significantly associated with work-related stress. In conclusion, the findings showed a high proportion of stress among participants. Therefore, we suggested a need to take action to balance job demand and teaching experience, offering the opportunity to upgrade their educational level and establish good relationships to ease the burden of stress factors related to work.
Introduction
Stress has been under study since the 1920s [1]. Work-related stress (WRS) is the response that individuals may face when they have job demands and pressures that mismatched their knowledge and abilities [2, 3]. Today, numerous studies have shown teaching is a highly stressful profession worldwide [4, 5]. In European countries, about 10–40% of teachers suffer from extreme stress [6, 7]. Similarly, research in Canada has shown nearly three-fourths of teachers were stressed [8] and with 22% reporting extreme stress in Germany [9]. Moreover, though there is only a small survey in Africa, a high proportion of stress has been identified in Egypt [10], Ethiopia [4], and Nigeria [11].
WRS also leads to issues of occupational health and a major cause of economic loss. For instance, WRS costs US employers $200 billion per year [12]. Indeed, 5274 teachers were absent from Japan’s schools in 2011 due to stress [13]. Moreover, the research in Ethiopia also found that nearly two thirds of teachers planned to leave the profession [14]. Furthermore, this pattern is even more apparent as we move west, Canadian study reported a 40% attrition rate in the first 5 years of teaching due to stress [15].
From a public health perspective, WRS can contribute to physiological disease, decreased well-being and psychological distress [16, 17]. Unless dealt with early, WRS leads to academic decrease and general distress of life including anxiety, depression and suicide [18].
Working experience [19,20,21], job demands [22], educational level [19, 20], job change [23], lack of support from co-workers, friends and family [23], and poor relationship with colleagues [24] were the most frequently reported factors as major work-related stressors.
Although study into WRS has been a universal move; limited study is currently available in Ethiopia regarding teacher stress. In Ethiopia, the prevalence of stress and factors among teachers in public schools remain very limited. Therefore, this study was aimed to assess perceived work-related stress and associated factors among public secondary school teachers in Gondar city, northwest Ethiopia.
Main text
Methods
Study design, period and area of study
An institution-based cross-sectional study was employed from March to April 2019. This study was conducted on public secondary school teachers in Gondar city, northwest Ethiopia. Gondar city is located in the northern part of Ethiopia in Amhara National Regional State, at a distance of 747 km from Addis Ababa and 170 km from the Regional capital city Bahirdar. There were a total of 11 public schools and about 711 public secondary schools teachers in Gondar city at the time of data collection.
Populations and sample size determination
All public secondary school teachers in Gondar City and working at a selected schools and having worked at least 6 months prior to the study were included as part of the study population, while those on an annual, sick, family or maternity leave were excluded. We used a single population proportion equation [25,26,27] to calculate the sample size required for the study. With the following assumptions P (proportion of stress assumed to be 0.5 since this would provide the maximum sample size), d (the permissible Margin of error (the required precision = 5%) and Zα/2 (the value of the standard normal curve score corresponding to the given confidence interval = 1.96) corresponding to 95% confidence level, the minimum sample size (n) was estimated as:
Accordingly, the final sample was 424, considering the 10% non-response rate.
Data collection instrument and sampling procedures
A standardized perceived stress scale (PSS-14) [28] questionnaire was used to measure the prevalence of perceived WRS. The scale comprised 14 questions ranging from 0 to 4 each item and ranged from never, almost never, sometimes, fairly often and very often, according to their occurrence respectively, in 1 month before the survey. An example of one of the questions on the measure was “In the last month, how often have you felt nervous and “stressed”?” The PSS-14 has an internal consistency of 0.85 (Cronbach co-efficient) and test-retest reliability over a short retest interval of 0.85 [28]. PSS-14 scores are obtained by reversing scores on four positive items, e.g. 0 = 4, 1 = 3, 2 = 2, etc., and then summing up all 14 items. Items 4, 5, 6, 7 and 10 are positive items. The scale produced a single ranking, with high scores indicated higher stress levels and vice versa. There are also stratified quartiles in the PSS score. The upper two and lower two quartiles were combined (28 being the upper limit operating cut-off value) and were labeled as stressed and not stressed respectively. The cut-off value was chosen in line with a similar study from Egypt [29] and India [30]. This standardized questionnaire has been used in a variety of literature studies, including Ethiopia [31, 32]. UCU (University and College Union) Model Stress Questionnaire was used to test different types of factors of WRS [33, 34]. Specifically, we computed the mean score for all of them (job demand (18 items), (job control (9 items), (job relationships (9 items), (role ambiguity (9 items), (job change (10 items) and (support (9 items). A simple random sampling technique was used to select study participants. Data collectors issued these self-report questionnaires to randomly selected study participants at their office. As part of this study, secondary school teachers in Ethiopia were 9–12 grade teachers.
Data quality control
The questionnaire was translated by an expert into Additional file 1: Amharic (local) and returned to Additional file 2: English. One day training was offered for both data collectors and supervisors on topics related to the research objectives, clarity of questions, confidentiality of information and consent in the study. We hired six occupational health professionals working outside the current study area to collect data. Supervisors checked the completeness, quality and consistency of the information collected. In order to test the accuracy and quality of the questionnaire, we conducted a pre-test on 15 samples in a school not included in the final survey. Adjustments were made grounded on the outcomes of the pretest.
Data management and statistical analysis
The data were checked for completeness and entered into EPI info version 7 and exported to SPSS version 20 for analysis. Using a binary logistic regression analysis, we fitted each predictor variable in to a bivariate logistic regression model separately to explore associations with the dependent variable (perceived work-related stress). Significant predictors at p-value < 0.2 in a bivariate analysis were exported to the multivariable logistic regression model using backward variable selection method. Hosmer and Lemeshow goodness-of-fit test was used to check the model fitness (p > 0.05). A multi co-linearity assumption was checked using Variance Inflation Factor (VIF < 4). Lastly, significant association was established at p < 0.05 and adjusted odds ratio (AOR) with 95% confidence intervals (CI) in the multivariable model.
Results
Socio-demographic characteristics of the respondents
In this study, the response rate (409/424) was 96.4%. Of those surveyed, 65.3% were male and 65.8% married. About half, 50.4% of the respondents’ age was 30–39 ranging from 23 to 63 with a mean (± SD) of 36.02 (± 7.33) years. The majority, 74.8% of respondents had a BSc/Bed, whereas about 18.1% had a Master and above educational levels. Nearly a quarter, 26.7% of the respondents had 5 to 10 years of teaching experience, while about 24.4% had > 10 years of teaching experience. Aside this, around one-third of the respondents (29.6%) had a monthly salary of 4501–5500 ETB (Table 1).
Prevalence and factors related to perceived work-related stress
The overall prevalence of perceived work-related stress in the past 1 months was found to be 58.2% (n = 238) [95%CI (53.8–62.8)].
The multivariable logistic regression analysis showed that less than 5 years of teaching experience, BSc/Bed education level, high job demand, and poor job relations were significantly associated with perceived WRS. Accordingly, respondents with < 5 years of teaching experience were 2.03 times more likely to experience WRS than those with ≥ 16 years of teaching experience [AOR: 2.03; 95% CI (1.10, 3.73)]. The odds of Perceived WRS were 66% times higher among participants with BSc/Bed by their education level [AOR: 1.66; 95% CI (1.07, 3.17)]. The chances of developing WRS were 61% times higher among participants with high job demand compared to their counterparts [AOR: 1.61; 95% CI (1.29, 3.74)]. The probability of experiencing WRS among participants with poor relationships was 1.88 times greater than those with good relationships [AOR: 1.88; 95% CI (1.07, 3.31)] (Table 2).
Discussion
The overall prevalence of perceived WRS in this study was found to be 58.2%, which is almost similar to study conducted in Malaysia (55.7%) [35]. However, our finding indicates a higher prevalence compared to the studies in the Malaysia, (32.3%) [36], Libya (39.5%) [37], Ireland (45%) [38], Iran (40.02%) [39],Nigeria (32.9%) [40], and UK (43%) [41]. On the other hand, we found a lower prevalence of work-related stress compared to studies in Hong Kong (91.6%) [42], Nigeria (72.2%) [11], India (69.57%) [43], and Egypt (100%) [44]. Such variations might possibly be due to different local characteristics, including perceptions, traditions, study tools, living standards and educational systems available in these countries, which could have given either exacerbation or buffering effects of stressors related to work [45]. In addition, the disparity could be due to different approaches, periods of research and sample population.
The study result showed that the length of teaching experience was significantly associated with WRS. This outcome was consistent with studies in Macedonia [19] and China [46]. This could be due to the lack of time for newly hired teachers to complete and schedule their classroom tasks and workloads adequately [47]. Moreover, because of their professional role as a teacher, the workload is usually minimized by senior staff due to their ability to assess their role. Furthermore, older teachers may be more seasoned and environmentally adaptable and mature to cope with stress [48]. In addition young teachers in teaching/disruptive students may not be comfortable enough, since they are most likely inexperienced in their career compared to their older staff [43].
The current study showed that the high job demand was statistically significant with WRS. Other studies have supported this result [49,50,51,52,53,54]. The possible explanation could be that the sheer amount of work that teachers have to do is the one factor that has had a clear impact on stress levels in the profession [50]. Another possible reason could be that the number of students in Ethiopia, including the current area of study, is increasing by an average of 75–82 students per class [55].
Moreover, this study showed that educational level was significantly associated with WRS. Specifically, findings on education level showed that lower educational levels were associated with higher stress; this result is harmonized with studies reported in Kosovo [56], Nepal [57], European countries [58], and Malaysia [36]. One possible reason may be that dealing with certain complexities of the teaching role may be more difficult if there is a lower level of education.
Furthermore, this study showed that poor job relationship was associated with WRS. Results from other studies support our results [24, 54, 59]. A possible reason could be that harmony and positive relationships between teachers may isolate stress triggers [60]. In addition, good relationships could continue to enhance self-esteem and allow teachers not to feel isolated, leading to stressors buffering [61].
Conclusion
This study showed a high prevalence of perceived WRS. The most important factors found by a multivariable logistic regression model were: teaching experience, job demand, educational level and relationships which were associated with WRS. Therefore, we suggested a need to take action to balance job demand and control, offering the opportunity to upgrade their educational level and establish good relationships to ease the burden of stress factors related to work. We also suggested that other causes of WRS, such as working conditions and further large-scale study, be considered for future research.
Limitation of the study
The study is limited by its cross-sectional nature, limiting causality inferences, and dependence on self-reporting, resulting in possible over-or under-reporting. Despite these limitations, we feel that the study provides a reasonably accurate assessment of perceived work-related stress and associated risk factors among secondary school teachers.
Availability of data and materials
The datasets generated and analyzed during this study were included in the main document of this manuscript.
Abbreviations
- AOR:
-
adjusted odds ratio
- BSC/BED:
-
Bachelors of Science or Bachelors of Education
- CI:
-
confidence interval
- COR:
-
crude odds ratio
- ETB:
-
Ethiopian Birr
- VIF:
-
Variance Inflation Factor
- WRS:
-
work related stress
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Acknowledgements
The authors are charmed to acknowledge data collectors, field supervisors, study participants, and the Gondar city Education office for their forthright contributions to the success of this research.
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Contributions
GGK: Involved in the data analyzes, presented the results and discussions, interpreted results, wrote up of the draft manuscript, reviewed and finalized the manuscript document, and the corresponding author. SDW: Initiated the research concept, wrote up of the research proposal, analyzed the data, and presented the results and discussions, involved in the writing up of the draft manuscript. Both authors read and approved the final manuscript.
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Ethics approval and consent to participate
Ethical clearance was obtained from the Institutional Ethical Review Board (IERB) of the University of Gondar, College of Medicine and Health sciences, Institute of Public Health (Reference No: IPH/182/2019) and an official letter was submitted to each school. Those public secondary school teachers in Gondar city, who were selected to participate, were informed about the purpose of the study, the importance of their participation, withdraw at any time. Written consent was obtained prior to data collection. Privacy and confidentiality of information given by each respondent were kept properly and personal identifiers were removed.
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Supplementary information
Additional file 1.
Amharic version of the tool.
Additional file 2.
English version of the tool.
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Kabito, G.G., Wami, S.D. Perceived work-related stress and its associated factors among public secondary school teachers in Gondar city: a cross-sectional study from Ethiopia. BMC Res Notes 13, 36 (2020). https://doi.org/10.1186/s13104-020-4901-0
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DOI: https://doi.org/10.1186/s13104-020-4901-0
Keywords
- Secondary school teachers
- Work-related tress
- Public schools
- Ethiopia