Methods
Design
A multicenter, descriptive cross-sectional study was conducted from August to October 2022.
Setting
The study settings were 14 critical care units, including eight ICUs, four CCUs, and two dialysis wards selected from three educational hospitals affiliated with Lorestan University of Medical Sciences, Khorramabad, Iran. Khorramabad is the capital of Lorestan province, located in the southwest of Iran.
Critical care units are a subset of ICUs, CCUs, and dialysis wards in Iranian hospitals’ organizational charts. Nursing students complete critical care courses in these settings, per the nursing curricula. Most of the CCNs in Iran have a bachelor’s degree [
40].
Participants
Participants comprised nurses working in critical care units. The following criteria were required for inclusion: nurses with a bachelor’s degree or higher who were employed in the critical care units and have at least six months of work experience there. An exclusion criterion was unwilling to participate in the study, failing to respond to at least one of the five questionnaires.
Sample size
Based on a related study, the Pearson correlation coefficient between cultural competence and empathy was calculated at r = 0.3 [
20]; the sample size was computed using the following formula (n = 102). The final sample size was 153 people after multiplying this number by 1.5 to account for the design impact and specifying a power of 90%, α = 0.05, β = 0.1, Z (1-α / 2) = 1.96, and Z (1-β) = 1.28.
$$\frac{{{(Z}_{1-\alpha /2}+{Z}_{1-\beta })}^{2}}{({\frac{1}{2} ln\frac{1+r}{1-r})}^{2}}$$
Sampling
A convenience sampling technique was used to select the participants. A total of 197 CCNs met the inclusion criteria. Sampling was stopped when we reached the calculated sample size.
The research tool comprised five questionnaires, including demographic data, cultural competence, empathy, job conflict, and work engagement. Demographic data included age, gender, marital status, academic degree, and length of work experience.
Cultural competence questionnaire
To develop a native theoretical model of cultural competence, Mobaraki et al. (2019) conducted qualitative research using the grounded theory approach. The initial tool was designed after a qualitative study and searching similar studies. Then, the tool validity was assessed by evaluating the face and content validity and performing surveys and psychometrics. Finally, the data were statistically analyzed through exploratory factor analysis. The tool’s dimensions were based on the theoretical model, and the initial items were then extracted. The final 25-item questionnaire was developed for the Iranian population in five areas of theoretical and practical learning, clinical application, cultural skill, cultural excellence, and cultural competence. A five-point Likert scale was used for scoring (1 = rarely, 5 = almost always). These categories for the score range from 93 to 100 (very strong), 81–92 (strong), 80 − 64 (moderate), 44–63 (weak), and 20–43 (very weak). This questionnaire has a Cronbach’s alpha coefficient of 0.91 and an ICC of 0.93 [
1].
Jefferson Scale Empathy
This 20-item scale of empathy for healthcare professionals has been psychometrically validated. A seven-point Likert scale was used for scoring (totally disagree = 1, totally agree = 7). The maximum and minimum scores were 20 and 140, respectively. Higher scores indicate more empathetic care behaviors with the patients. The Persian version of this scale has good face and content validity, Cronbach’s alpha coefficient is 0.83, and its ICC is 0.82 [
41].
Dobrin Job Conflict
This scale consists of 20 questions with two options (totally disagree = 0, totally agree = 1) and mainly scored on positive and negative responses. The ratings ranged from 0 to 20, respectively. The score categorization would be designed as 15–20 (high), 4–14 (moderate), and 0–3 (low). Hosseini et al. (2012) validated it for the Iranian population. This scale’s Cronbach’s alpha coefficient is 0.95 [
42].
Utrecht Work Engagement
This scale consists of 17 items, and scoring was done using a five-point Likert scale (1 = rarely, 5 = almost always). The scores ranged from zero to 102, respectively. Higher scores indicate a higher level of work engagement. Torabinia et al. (2017) validated the Persian version to measure work engagement in Iranian nurses and other medical professionals. This scale’s Cronbach’s alpha coefficient is 0.84, and the ICC is 0.91 [
43].
Procedure
Following approval from the Semnan and Lorestan University of Medical Sciences, the data were collected using paper self-report questionnaires. The researcher briefed the nurses on the purposes of the study and what was covered in the questionnaires. The participants who agreed to participate in the study provided written consent. Afterward, the questionnaires were distributed to the participants.
Statistical analyses
Data on the general characteristics and responses of the participants related to cultural competence, empathy, job conflict, and work engagement were summarized using descriptive statistics. Mean comparison techniques were used to assess the variations in cultural competence according to the participant’s demographic variables. The Spearman (i.e., ordinal scale or non-normally distributed variables), Pearson (i.e., normally and linear distributed variables) correlation tests, intragroup correlation coefficient, and linear regression analyses were used to assess the study hypotheses in the inferential section. Before performing the regression analysis, we confirmed that our data satisfied the basic regression assumptions, such as homogeneity of variance and multi-collinearity. We utilized imputation for the missing data (mean substitution). The alpha error level was set to a maximum of 0.05. In order to analyze the data, IBM SPSS Statistics 22.0 was used [
44].
Discussion
In this study, CCNs’ cultural competence and job conflict level were moderate, empathy was good, and work engagement was poor. The findings showed that cultural competence is significantly related to age, marital status, academic degree, work experiences, empathy, and job conflict. Academic degree and empathy variables could predict cultural competence, and the most impact was related to an academic degree.
The present study demonstrated that CCNs have a moderate level of cultural competence. A study showed that nurses born in Anglo-Saxon countries had the highest level of cultural competence and, respectively, nurses born in European and Asian countries [
18]. Cultural competence is the most basic need and necessity of nursing to develop the care of patients with various backgrounds due to the increased cultural diversity and migration of nurses worldwide [
19,
45]. Since many Iranian CCNs work as specialists in other countries and their migration rate is increasing, they can be considered global nurse forces [
19]. This issue highlights the importance of strategies to improve cultural competence in Iranian CCNs.
This study showed that CCNs’ empathy level was good. Other studies showed that empathy in CCNs is above average in Iran [
23] and high in Turkey [
46] and Jordan [
24]. The study’s findings by Amiri et al. revealed that nurses’ reduced capacity for empathy might be related to cultural prejudices towards patients or a lack of adequate cultural awareness [
2]. The CCNs must communicate effectively and demonstrate empathy because they care for patients in danger of dying [
23].
Our study showed that empathy is significantly related to cultural competence and is considered a predictive factor among CCNs. The results of Zarei et al.‘s study indicated that cultural competence and empathy are correlated [
20]. Also, some studies in South Korea showed that empathy and cultural competence in nurses are correlated, and empathy is a predictor of cultural competence [
28,
47]. Thus implementing policies to improve empathy among CCNs is required to enhance cultural competence. Following this, one can use the benefits of improving cultural competence, including improving patient satisfaction, increasing patient empowerment, better clinical outcomes, and better communication [
20,
21]. Empathy can sensitize the nurse to the values and culture of critical patients and provide care based on cultural competence.
We revealed that the job conflict of our participants was at a moderate level. A previous study demonstrated that job conflict among Iranian CCNs was medium to high [
30]. Another study showed that 77.8% of Iranian nurses experienced moderate workplace conflicts, and 16.5% had high conflicts [
35]. Due to the complexity of patient circumstances, the nature of the work, the leadership style of the nurses, and the high hazards and stress levels in the critical care units, nurses experience high interpersonal conflict [
48]. High-level conflict can result in challenging behaviors in the workplace and affect the quality of care for patients with critical conditions who have sensitive situations.
The results revealed a significant negative correlation between job conflict and cultural competence. This result emphasizes reducing conflict between CCNs to promote cultural competence. Identifying the contributing causes of job conflict can help nurses and nursing managers to lessen its prevalence in the workplace because studies have shown that conflict at work predicts turnover intentions and burnout [
29,
35].
The current study revealed that CCNs are poorly engaged in work. Another study showed that CCNs have moderate work engagement [
49], while general nurses have high work engagement [
50]. Long-term outcomes of moral distress hurt the ability of CCNs to provide proper patient care, impact their ability to perform everyday job responsibilities, and lessen their work engagement. A positive work atmosphere and supportive organization encourage work engagement in nurses [
49]. Reasons such as long working hours, overload, lack of professional experience, and closeness to recurring death situations can affect the CCNs’ work engagement; workload reduction, training, and Job rotation of nursing professionals among the hospital sectors are suggested.
In addition to empathy, the academic degree was also a predictor of cultural competence. In line with these results, Mareno and Hart’s study showed that graduate nurses had higher scores on cultural knowledge than undergraduate-degree [
51]. Since cultural knowledge can be achieved through the training of cultural competence in undergraduate nursing [
45], it seems necessary to provide continuous opportunities to improve the cultural competence of CCNs so that they interact more with different cultures. Master nurses may be more aware of cultural competence and may have received training as part of their master’s degree curriculum, compared to undergraduate-degree nurses. Due to the importance of critical care units, employing nurses with higher education in these departments is recommended.
The results of this study can help policymakers and nursing managers design and implement more effective strategies and programs to have CCNs with high cultural competence. Additionally, a well-designed program that aims to improve the cultural competence of CCNs and is appropriate enough to represent the cultural context of Iran should be implemented. Managers need to pay attention to the low levels of work engagement among CCNs and investigate the factors that support them. This study recommends using nurses with higher education to employ in critical care units and developing and implementing an educational program to foster empathy to improve cultural competence in CCNs.
One of the strengths of this study is the exploration and measurement of the association of several concepts with cultural competence. Another strength is the multicenter study design performed on CCNs at three hospitals, which may expand the generalizability of the results.
Limitations of this study include the design regarding the use of non-probability convenience sampling. Since the data collection tools were supplemented with self-reports, respondent bias and social desirability may be increased. It was challenging to convince the participants because there were many questionnaires, and they filled them out slowly. We solved this issue with more perseverance and open communication with the research participants.
Further research is necessary to comprehend the causality of the relationships between variables. Conducting more studies on job conflicts, work engagement, and their relationship with cultural competence among CCNs is recommended. Also, using a qualitative approach to understand the lived experience of critical care nurses and cultural care would be beneficial.
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