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   Table of Contents      
ORIGINAL ARTICLE
Year : 2016  |  Volume : 21  |  Issue : 5  |  Page : 516-520

Development and initial psychometric evaluation of the hospitalization-related stressors questionnaire for elderly patients


1 Student Research Center, Faculty of Nursing and Midwifery, Isfahan University of Medical Sciences, Isfahan, Iran
2 Nursing and Midwifery Care Research Center, Faculty of Nursing and Midwifery, Isfahan University of Medical Sciences, Isfahan, Iran

Date of Submission07-Dec-2015
Date of Acceptance26-Apr-2016
Date of Web Publication4-Nov-2016

Correspondence Address:
Mousa Alavi
Nursing and Midwifery Care Research Center, Faculty of Nursing and Midwifery, Isfahan University of Medical Sciences, Isfahan
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-9066.193416

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  Abstract 

Background: Various factors threaten the health and recovery of hospitalized elderly, including stressors in medical service centers. Therefore, the aim of the present study was to develop and preliminary validate a measurement tool to assess hospitalization-related stressors (HRS) among the elderly.
Materials and Methods: This methodological research was conducted in 2015. The study was performed in two main phases. In the first phase, which was to develop the questionnaire, the data were collected through literature review, interview with few elderly patients, and calculating content validity index with the participation of 16 experts. The second phase included preliminary validation of the questionnaire in which a convenient sample of 200 hospitalized elderly patients recruited from 4 educational medical centers of the Isfahan University of Medical Sciences were studied. Principal component analysis method was used to identify the factorial structure of the questionnaire. In order to evaluate validity, Cronbach's alpha coefficient was calculated.
Results: After evaluating the results and relocating and merging some of the items, a version of 26 items in 7 categories was prepared with acceptable internal consistency (Cronbach's alpha coefficient from 0.67 to 0.78 for the components and 0.83 for the tool).
Conclusions: In this study, we were able to identify a set of important components and indicators of HRS in elderly; so it can be used as a useful instrument. Future studies are recommended in order to develop and validate this tool in other communities.

Keywords: Elderly, hospitals, questionnaire design, stress


How to cite this article:
Musavi Z, Alavi M, Alimohammadi N, Hosseini H. Development and initial psychometric evaluation of the hospitalization-related stressors questionnaire for elderly patients. Iranian J Nursing Midwifery Res 2016;21:516-20

How to cite this URL:
Musavi Z, Alavi M, Alimohammadi N, Hosseini H. Development and initial psychometric evaluation of the hospitalization-related stressors questionnaire for elderly patients. Iranian J Nursing Midwifery Res [serial online] 2016 [cited 2021 May 10];21:516-20. Available from: https://www.ijnmrjournal.net/text.asp?2016/21/5/516/193416


  Introduction Top


Because of the global demographic and epidemiologic changes, human beings are increasingly faced with the issue of aging. [1] According to the United Nations estimates, the elderly population in the world will increase from approximately 10.5% in 2007 to approximately 21.8% in 2050. Iran is also quickly progressing toward aging, [2] and currently, approximately 7.3% of the population consist of people aged over 60. [3]

Aging is a time when people experience vast changes in the physical, mental, social, and other aspects of life. The statistics of disease outbreaks and hospitalizations in this period show that elderly population are the largest consumers of health and social services and this demand increases every day. [4] In Iran, 31% of referrals resulting in hospitalization are related to the age group over 60 and include 37% of the costs. [3]

Although hospitalization provides the elderly with some opportunities for recovery and for preventing disability, some evidence suggest that there are many factors that threaten the health and recovery of hospitalized elderly; including stressors in the health care providing centers. [5] Elderly are more vulnerable to stress compared to young people because of diminished physiologic stores and chronic diseases. [6] In response to this challenge, stress management in the elderly and particularly in hospitalized individuals is considered to be one of the main priorities of the health system. [7]

Until now, various researchers have focused on the stressors associated with hospitalization and different tools have been developed and used in order to assess these in different age groups or in a certain group of patients. For instance, in a study by Nasiri et al., [8] stressors including physical, mental, and environmental stress associated with hospitalization in the cardiac care unit were investigated using 41 items. Latha and Ravi Shankar [9] introduced stressors associated with hospitalization in a psychiatric unit using 49 items termed as hospital stress rating scale (HSRS). Koenig et al. [10] grouped stressors associated with hospitalization in elderly into seven categories including adverse effects of diagnostic or therapeutic procedures, changes related to lifestyle, relationships with staff, individual psychiatric issues, understanding diagnosis and prognosis, family issues, and the physical environment. Nevertheless, no comprehensive tool for examining stressors associated with hospitalization in the elderly has been developed, particularly in Iran. Sue and Sue [11] pointed out that there is a cultural difference in the perception of stressors. Moreover, according to Rosa et al., [12] it is necessary that the identified factors are compatible with the background and cultural context of each community. Therefore, the present study aimed to develop and primarily evaluate the hospitalization related stressors questionnaire for elderly patients (HRSQ-EP) from a psychometric point of view.


  Materials and Methods Top


The present cross-sectional and methodological study aimed to develop and primarily evaluate the HRSQ-EP from a psychometric viewpoint, and it was conducted in two phases with seven steps. In the first phase of the study, the questionnaire was developed, and in the second phase, it was evaluated in terms of initial psychometric properties. The study was conducted in the Isfahan University of medical sciences (IUMS), Iran in 2015.

Phase 1: Development of the questionnaire

The HRSQ-EP was developed to measure the extent to which a set of distinct hospitalization related events have been perceived as stressors by elderly patients. Three steps were followed in this phase as follows.

Step 1: Generating a pool of items. The items for HRSQ-EP were generated by (a) reviewing the relevant literature and (b) conducting semi-structured interviews. In order to find the existing relevant tools and constructs, more than 30 relevant articles, from the year 2000 to 2015 in CINAHL, Google scholar, Medline, PubMed, and SID were reviewed. In order to clarify and obtain more insight into some of the retrieved stressors, seven semi-structured interviews with elderly patients and their professional care givers were conducted. Finally, the initial item pool (n = 119) was identified. After a three-round revision and overview of the initial item pool, 36-item questionnaires was constructed. Items were rated on a 5-point Likert scale (from "1" = strongly disagree to "5" = strongly agree).

Step 2: Determining face and content validity. Ten expert panel members (six with master degrees and experienced in geriatric nursing and four with doctoral degrees and experienced in psychometrics) evaluated the face and content validity of the first version of the instrument. Content validity index (CVI) [13] was considered to identify acceptable items. A 4-point Likert scale (1 and 2 indicating unacceptable and 3 and 4 indicating acceptable items) was used to assess the experts' views in terms of relevance, simplicity, and clarity of statements for each item. Moreover, a CVI value of ≥0.80 indicated good content validity. [14] Few of the items were found to be unclear and were rephrased and the second 36-item version of the HRSQ-EP was established.

Step 3: Pilot testing. A pilot study including 30 hospitalized elderly patients was conducted in order to perform further necessary modifications and establish internal consistency of the second version of the HRSQ-EP. Seven out of 36 items were excluded to get the third version of the HRSQ-EP. Cronbach's alpha coefficient was 0.65.

Phase 2: Initial psychometric evaluation of the HRSQ-EP

A nonprobability stratified sample of 200 elderly patients hospitalized in four educational hospitals affiliated with Isfahan University of Medical Sciences was recruited for the study. Two steps (steps 4 and 5) were followed in order to perform initial psychometric evaluation as follows.

Step 4: Conducting principal component analysis (PCA) and further scale refinement. PCA with Varimax rotation was used to identify the scale dimensions. Normality of the distribution of the data was ensured through calculating the skewness and kurtosis statistics; all of which were between ±1.5. [15] The Bartlett's test for sphericity was significant (P < 0.001) and the Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy was 0.697, indicating that it was appropriate to use the PCA. The criterion of eigenvalue ≥1 was used for defining the number of factors. Model acceptance was based on factor loading more than 0.4 for the respective component. [16]

Step 5: Evaluation of reliability. The Cronbach's alpha coefficient was used to ensure the internal consistency of the subscales and total scale for the last version of the HRSQ-EP. A Cronbach's alpha ≥0.70 was considered adequate. [14] The Statistical Package for the Social Sciences (SPSS for Windows, Version 16.0. Chicago, SPSS Inc.) version 12 was used for statistical data analysis.

Ethical considerations

The study was approved by the IUMS research Committee (394099). Participants signed an informed consent and were given written information. Moreover, voluntary participation, privacy, and confidentiality were ensured.


  Results Top


The mean (standard deviation; SD) of the participants' age and their hospital stay was 67.29 years and 7.44 (1.2) days, respectively. Sixty percent of the participants were male and 90.5% lived with their own family members.

In summary, the initial item pool (n = 119) from the first step was used to construct the second 36-item and 29-item version of the HRSQ-EP in the second and the third steps, respectively. The average CVI was 0.91 for the total scale and ranged from 0.8 to 1 for the items, indicating an acceptable level of content validity. [17] Based on the findings from the fourth step, 10 factors with eigenvalues >1 were extracted, [16] explaining 64% of the total variance. All items demonstrated moderate to strong loading on one of the ten factors (>0.4) [see [Table 1]]. There were four pairs of items that loaded on the four separate components, leading each component to be consisted of only two items. Kenny has suggested at least three items for each factor. [18] Therefore, these eight items were merged or conveyed to the other components based on their conceptual relevance [see [Table 1]].

Cronbach's alpha coefficient was used to define internal consistency and showed that the refined 26-item HRSQ-EP had a coefficient of 0.83, indicating good internal consistency; the values for all the domains ranged from 0.67 to 0.78 [Table 1].
Table 1: The final components structure and Cronbach's α coefficients of the 26-item HRSQ-EP

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  Discussion Top


The present study aimed to develop a measurement tool for assessing HRS in elderly. Based on the results, HRS in the elderly consisted of seven components including "physical stressors, lack of knowledge related stressors, stressors related to staff, environmental stressors, stressors related to the changes in personal and social lifestyle, psychological stressors, and disease related stressors." Koenig et al. [10] grouped stressors related to hospitalization into seven categories, which were similar to the present study in four categories including "stressors related to lifestyle changes, relationships with staff stressors, stressors related to individual mental issues, and physical environment stressors." Nasiri et al. [8] examined hospitalization related stressors in three physical, environmental and mental categories; all of which are conceptually the same as the categories identified in the present study. Moreover, Fakhari and Maskani [19] introduced HRS in four physical, mental, social and spiritual categories; the first two categories were the same as that of the present study.

Regarding the first category of "physical stressors," our findings showed that some of its subordinate items were similar to what Nasiri et al. [8] found in their work. In their study, two items including "limited motility due to connection to the monitor" and "pain due to some action like injections" were conceptually similar to items "limited motility due to the connected equipment" and "diagnostic and therapeutic procedures such as blood test or venipuncture" in the present study.

The second category was "stressors related to lack of knowledge" that consisted of 3 items. Rabie Siahkali et al. [20] identified the same category in their study; however, different items were loaded on this category.

The third category, "stressors related to staff," consisted of six items as "use of unfamiliar words by the doctor or the nurse," "doctor or the nurse not having enough time to respond to my needs," and "staff not respecting my privacy," which were conceptually similar to some items subordinate to the category of "staff related stressors" in the work of Pang and Suen. [21]

The fourth category identified in this study is "environmental stressors." In the study of Nasiri et al., [8] 12 items were included in this category, which despite apparent differences in writing and the number of items, all constituent items except for "existence of the machines in the environment" were similar to the items included in the same category in the present study.

The fifth category was "stressors related to changes in personal and social lifestyle" including four items with relatively strong factor loadings (0.53-0.83). Logan et al. [22] designed a 23-item scale to determine the type and severity of HRS among dialysis patients, among which "limitation in doing activities," "insomnia," "change in family relations," and " reduction in social relations" were conceptually similar to most items loaded on this category in the present study.

The sixth category identified in the present study was "psychological stressors" that has been determined as a part of HRS in some relevant studies. For instance, Koenig et al. [10] introduced "psychiatric stressors" as a main category that consisted of four items including "unexpected disease in hospital," "fear of attachment to others," "feeling of loneliness," and "loss of control in life," the last of which is conceptually similar to "fear of long or permanent disability" that has been loaded on the category of "psychological stressors" in the present study.

The last category of HRS is "disease related stressors." This component is also existed in some similar tools; however, most of its constituent items differ that may be related to work on the different study populations. For instance, in the study of Parvan et al., [23] two items of "having heart disease" and "being in pain" were conceptually overlapping with "having physical illness or disability other than heart disease" and "being in pain due to illness" items of "disease related stressors" category in the present study.

Overall, the scale developed in this study, identified various aspects of HRS. Nevertheless, these aspects do not cover all possible dimensions of these stressors. Therefore, further studies are necessary to capture a comprehensive set of HRS in the elderly patients' population.


  Conclusion Top


The present study was performed to develop a tool to assess hospitalization stressors in elderly. The indicators of stressors related to hospitalization in elderly were identified in this study so that it can be used as a useful instrument. In spite of some similarities between identified categories in the present study with some of the available scales, an important set of HRS in the elderly has been determined using this assessment tool; which is in line with the cultural, social, and organizational structure of country and can be utilized to identify and evaluate stressors associated with hospitalization in elderly. Future studies with the purpose of developing and validating this tool in other communities are recommended.

Acknowledgements

This article was derived from a master thesis of Zahra Musavi with project number 394099, Isfahan University of Medical Sciences . We appreciate clinical research development center of Alzahra, Kashani, Noor, and Chamran hospitals. The authors greatly appreciate the nurses working in the health centers of Isfahan University of Medical Sciences, as well as the complex of Vice-chancellery for research and technology in the nursing and midwifery school of Isfahan University of Medical Sciences. This article has been derived from dissertation no. 394099 of Isfahan University of Medical sciences.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
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1 Psychometric evaluation of the Hospitalisation-Related Stressors Questionnaire for Elderly Patients
Hilal YILDIRIM,Kevser ISIK
Psychogeriatrics. 2020;
[Pubmed] | [DOI]



 

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