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Sufficient competence in community elderly care? Results from a competence measurement of nursing staff

Abstract

Background

Multi-morbidity, poly-pharmacy and cognitive impairment leave many old patients in a frail condition with a high risk of adverse outcomes if proper health care is not provided. Knowledge about available competence is necessary to evaluate whether we are able to offer equitable and balanced health care to older persons with acute and/or complex health care needs. This study investigates the sufficiency of nursing staff competence in Norwegian community elderly care.

Methods

We conducted a cross-sectional survey of 1016 nursing staff in nursing homes and home care services with the instrument “Nursing Older People – Competence Evaluation Tool”. Statistical analyses were ANOVA and multiple regression.

Results

We found that nursing staff have competence in all areas measured, but that the level of competence was insufficient in the areas nursing measures, advanced procedures, and nursing documentation. Nursing staff in nursing homes scored higher than staff in home care services, and older nursing staff scored lower than younger nursing staff.

Conclusions

A reason for the relatively low influence of education and training on competence could be the diffuse roles that nursing staff have in community elderly care, implying that they have poor standards against which to judge their own competence. Clearer role descriptions for all groups of nursing staff are recommended as well as general competence development in geriatric nursing care.

Peer Review reports

Background

This article presents results from a survey measuring the competence of community-based nursing staff working with older patients. The survey was the first full trial of a new competence measurement instrument labelled “Nursing Older People – Competence Evaluation Tool” (NOP-CET). The questionnaire was developed for three groups of nursing staff; registered nurses (RN), assistant nurses (AN) and assistants, working in nursing homes and home care services (defined as community elderly care).

The patients

In Europe the patient populations in receipt of community elderly care are characterised by multi-morbidity, poly-pharmacy and/or cognitive impairment [15]. Multi-morbidity refers to the coexistence of two or more conditions in a patient [6], is found to negatively influence quality of life and the ability of self-care [7], and is associated with significant increases in adverse events, hospitalisations and cost of care [8]. Poly-pharmacy is defined as the consumption of multiple medications or administration of more medications than clinically indicated [9], and is increasing among elderly people [1012]. Several studies indicate that inappropriate drug use is a major reason for impaired health and function in the elderly [1315]. Additionally, a large proportion of patients in receipt of community elderly care suffer from cognitive impairment in terms of declining memory and other cognitive abilities. Almost 83 % of all patients admitted to nursing homes in Norway suffer from dementia [16], of which 66 % have clinically significant neuropsychiatric symptoms [17, 18]. In sum, multi-morbidity, poly-pharmacy and cognitive impairment leave many old patients in a frail condition with a high risk of adverse outcomes if proper health care is not provided and performed [19]. A well-educated staff that can competently meet the needs of these patients is therefore essential [20, 21].

The staff

Studies indicate that better quality of care, improved patient outcomes, and fewer adverse events are associated with higher levels of registered nurse staffing in health care [2227]. Still, we know that approximately 30 % of the nursing staff in Norwegian community elderly care are assistants without any formal health care training [28], approximately 60 % of the staff – the assistant nurses – are qualified through a degree from upper secondary school [29], and that most of the staff, including the RNs, have not had the opportunity to develop their competence in accordance with increasing job demands [30]. Despite different lengths in education and training, the roles of RNs, ANs, and assistants in Norwegian community elderly care are fairly similar [31]; there is little distinction between the roles and responsibilities of different types of nursing staff [32, 33].

Despite efforts to enhance the quality of community elderly care, there are many reports of inadequate health care in terms of unmet needs, adverse events, and other threats to quality of care [1, 3438]. Such reports indicate the need to investigate whether the competence available in community elderly care is sufficient to meet complex patient needs. A literature review of the role RNs play in home care revealed that there were no studies investigating the competence of nursing staff in Norwegian community elderly care. Knowledge about available competence is necessary to evaluate whether we are able to offer equitable and balanced health care to older persons with acute and/or complex health care needs [20].

Our research questions were:

  • What is the competence of nursing staff in community elderly care?

  • What influences competence as measured?

Conceptualisation of competence

Competence is a concept that has been used to cover several meanings in the nursing literature [39], but usually in reference to the execution of tasks and duties expected of professionals [40]. Our conceptualisation of competence is inspired by Eraut [40] as well as more socio-cultural conceptualisations as represented by Edwards [41]. Eraut discussed the importance of including capability into a conceptualisation of competence, as capability provides a basis for future competence (i.e. a knowledge-base), and thus expands former conceptualisations which have focused on performance as the main attribute of competence [40]. Edwards focuses on the relational aspects of competence, meaning that the individual competence of a practitioner is inherently bound to the competence of other practitioners [41]. Competence is a collective activity, and the goal within a workplace should be that nursing staff are able to reciprocally strengthen each other’s competence so that the amount of collective competence is larger than the sum of individual competence. Competence as measured in the NOP-CET therefore includes a mix of approaches in order to grasp individual competence in terms of knowledge, skills, and personal abilities, as well as relational and contextual aspects of competence in community elderly care. Our conceptualisation can be illustrated as in Fig. 1.

Fig. 1
figure1

Conceptualisation of competence

Method

Instrument description and development

The NOP-CET is a comprehensive questionnaire measuring competence in community elderly care. The questionnaire contains a total of 65 items. There are two main types of items: items with Likert-type scales (all except one item use a four-point scale) and items with dichotomous scores (correct/wrong). Some items ask for self-evaluation, others are in multiple-choice format. The NOP-CET was administered electronically by the online tool “Questback”.

The development of the NOP-CET had three phases, of which the first was a literature review of competence measurement instruments, which revealed that no existing instruments measured the competence required of nursing staff in current community elderly care [42]. In phase two we consulted 42 experts on community elderly care, in three rounds, in order to reach a consensus on the most relevant items for measuring the competence expected of nursing staff in community elderly care [43]. We found that the most relevant competence could be covered within ten categories: health promotion and disease prevention, treatment, palliative care, ethics and regulation, assessment and taking action, covering basic needs, communication and documentation, responsibility and activeness, cooperation, and attitudes toward older people. Questionnaire items were developed from these ten categories. The questionnaire was pilot-tested on 26 RNs for acceptability, comprehensiveness, relevancy, and unambiguity. The third and final phase consisted in a trial of the NOP-CET on a sample of 1016 RNs, ANs, and assistants, on which the results are reported here.

The NOP-CET was evaluated to be appropriate as it showed good content and construct validity, reliability, precision, interpretability, acceptability, and feasibility [44]. Principal components analysis with direct oblimin rotation and retention of factors with eigenvalues > 1 produced 28 clinically meaningful factors that were used to form sum-variables for analysis of competence. The sum-variables with corresponding questionnaire items and factor loadings are displayed in Tables 1, 2 and 3.

Table 1 Table of sum variables measuring knowledge
Table 2 Table of sum variables measuring skills
Table 3 Table of sum variables measuring personal attributes

Recruitment and sample

Nine municipalities were invited to take part in the trial of the NOP-CET, and all nine accepted. Different “types” of municipalities were sought to represent different composition of staff, as well as varying degrees of commitment to competence development. The municipalities were also selected to represent different socio-demographic areas; three were urban areas, five suburban, and two rural. Six municipalities agreed to invite all their nursing staff employed in nursing homes and home care services. One municipality agreed to include four home care units, another municipality included two nursing homes. One municipality invited a random sample from all nursing homes and home care services in their municipality. Eight of the participating municipalities are located in the south-eastern part of Norway, while one municipality is in northern Norway. Table 4 shows the sample properties of this study.

Table 4 Characteristics of participants, N = 1016

The response time was estimated up to one hour. Respondents were nursing staff who were offered one hour off from normal work tasks to fill in the NOP-CET at a computer during working hours. Managers working in the nursing homes and home care services informed their staff of their municipality’s commitment to the study, facilitated response/participation by giving respondents one hour off normal working tasks, provided access to complete the questionnaire at their work place, and generally encouraged all groups of staff to participate. The managers provided us with the e-mail addresses of all nursing staff, who then received an e-mail from us with an invitation and link to the NOP-CET. One municipality could not provide e-mail addresses, therefore letters with the link to the questionnaire were mailed to all nursing staff. Participation in the survey was voluntary and confidential. The participants were informed that filling out the questionnaire was synonymous with informed consent. Research approval from Norwegian Social Science Data Services was obtained on June 3, 2013.

Question no. 50 in the NOP-CET: “In general, to which degree are you competent to give safe health care to older people?” (5-point Likert scale) was considered to be the item that encompassed all aspects of competence necessary in community elderly care. Sample size calculations were performed in order to find the minimum sample size needed to be able to document a difference of 10 % between RNs and ANs, a 50 % difference between RNs and assistants, and a 40 % difference between ANs and assistants on question no. 50, with a maximum risk of committing a Type I error of 5 %, and a Bonferroni correction for multiple comparisons (three groups) [45]. From this follows that we would need 387 RNS, 387 ANs, but no more than 28 assistants. The actual number of nursing staff that responded to the survey were 354 RNs, 528 ANs, and 90 assistants.

Data collection took place between September and December 2013. The questionnaire was initially sent to 3175 nursing staff of which 1016 responded. The response rate varied between the municipalities: the lowest and highest response rates were 15 and 62 %, with a total response rate of 36 %. Once the questionnaire was published on the internet the nursing staff had two weeks to complete the NOP-CET. Two reminders were sent during the last week the questionnaire was open. The NOP-CET was kept open for an additional week for those municipalities that requested this. At completion of the survey all responses were exported electronically to SPSS. No questionnaires were rejected, as the number of missing data was considered acceptable (maximum missing data on an item was 18.3 %).

Data analysis

Data analysis was performed in SPSS Statistics Version 20. Sum-variables were formed out of the 28 factors produced in the factor analysis that evaluated the construct validity of the NOP-CET [44]: 11 sum-variables measured knowledge (described in Table 1), nine sum-variables measured skills (described in Table 2), and eight sum-variables measured personal attributes including relational and contextual aspects (described in Table 3). The variables that measured knowledge were formed into “Knowledge sum-variable”, the variables that measured skills were formed into “Skills sum-variable”, and the same operation was done for personal attributes and a “Total competence sum variable”. The procedure of forming sum-variables is illustrated in Fig. 2. The sum-variables were treated as continuous variables where equal intervals on the variables represent equal differences in competence. The value 0 (zero) was imputed when a value was missing in the outcome variables (i.e the variables for knowledge, skills, personal attributes, and total competence) in order to avoid casewise deletion, as the survey can be seen as a test, and no value equals no addition to the respondent’s competence score. Count, percentage, mean, and standard deviation (SD) were produced to describe the sample. The level of significance was accepted at p <0.05. Confidence intervals (CI) and standard errors (SE) are based on 1000 bootstrap samples as normally distributed errors and homoscedasticity could not be assumed for all variables.

Fig. 2
figure2

Illustration of the formation of sum variables

To answer the first research question, “What is the competence of nursing staff in community elderly care?”, we analysed the sum-variables by ANOVA to describe the competence of the three groups of nursing staff.

Research question number two “What influences competence as measured?” was analysed with multiple regression. The outcome variable was “Total competence sum-variable”. The predictor variables were age (continuous variable), gender (dichotomous variable; Female = 0, Male = 1), professional group (four categories: RN/AN/Assistant/Others, three dummies were created), work place (three categories: Home care/Nursing home/Other services for elderly, two dummies were created), type of position (dichotomous variable; Permanent = 0, Temporary = 1), job size (i.e. fraction of full-time employment, e.g. 80 %) (continuous variable), time at workplace (i.e. number of years at current work place) (continuous variable), and time in community elderly care (i.e. years the person has worked in community elderly care) (continuous variable). Confidence intervals were bootstrapped as normally distributed errors were not assumed, and weighted least squares regression was chosen to overcome eventual problems of heteroscedasticity [45].

Results

The respondents to the survey comprised 35 % RNs, 52 % ANs, but only 9 % assistants. Most of the respondents were female (93 %) and the majority were employed in permanent positions (89 %) in nursing homes (54 %). The respondents were relatively well-experienced as the mean number of years at their current workplace was 8 years, and the mean “years of experience in community elderly care” was over 15 years (see Table 4).

The competence of nursing staff in community elderly care

The competence measurement revealed that nursing staff in Norwegian community elderly care possess competence in all competence variables measured, however, to a varying degree. Table 5 reports the results from the analysis of variance of nursing staff’s competence levels.

Table 5 Mean level of competence in nursing staff groups (ANOVA)

The main trend was that RNs displayed more competence than ANs, who again displayed more competence than assistants, but there were exceptions, e.g. ANs scored higher than RNs on “nursing measures” and “simple procedures”. Another trend was that the mean scores were substantially lower than the maximum score for quite a few sum variables, e.g. “nursing measures”, “advanced procedures”, and “nursing documentation”.

Predictors of competence as measured

The linear model chosen explained 30 % of the variance in the “total competence sum-variable” (Table 6).

Table 6 Linear model of predictors of total competence

The F-ratio =34.30 with a p < .00, which means that our regression model predicted competence-level significantly better than no model of competence-level. The linear model showed that ANs scored 29.48 points less than an RN (p = .00), assistants scored 77.44 points less than an RN (p = .00), other professionals scored 87.57 points less than an RN (p = .00), respondents working in nursing homes scored 10.72 points more than respondents working in home care services (p = .00), respondents working in other services for elderly scored 15.82 points less than respondents working in home care services (p = .01), and that age influence competence negatively (p = .00). The type of position, size of position, years at current work place, years in community elderly care, and gender did not have significant effect on the model.

Discussion

Representability

The distribution of nursing staff groups in our sample (RNs: 35 %, ANs: 52 %, assistants: 9 %, and others: 4 %) match the actual number of RNs (34 %) and ANs (58 %) in the population well [29]. In an attempt to grasp the diversity of Norwegian community elderly care, the municipalities we chose for the trial represent different geographical and demographical parts of Norway, are run by different political parties, and invest differently in competence development. The results for RNs and ANs can therefore be assumed to have transferability to similar nursing staff in other Norwegian municipalities. The number of assistants that responded to the NOP-CET is, however, much lower than the number estimated to be up to 28 % in some municipalities [28], and we can therefore expect the results from the assistants to be biased. The assistants that responded could be particularly competent and therefore willing to fill out the questionnaire, or they could be more computer-able than other assistants. Although some years back, MacDonald et al. [46] found that 30 % of assistants had no computer experience, implying that the electronic response format could have been a barrier to the response of assistants. Although the respondents were informed that they could probably not respond to all items, another reason for the low participation of assistants could be that assistants found it intimidating or discouraging to complete a questionnaire in which they expected to fall short in terms of results. Future use of the NOP-CET should therefore include the alternative of filling out a paper version, and find other ways in which assistants might be encouraged to participate.

The competence profile of the nursing staff

All nursing staff had some competence in the competence variables measured. As expected, the RNs scored higher than ANs and assistants on the majority of the competence variables. This is reassuring, as RNs have the highest education and are responsible for the nursing care in Norwegian community elderly care. There were, however, variables on which ANs and/or assistants scored higher than RNs: nursing measures (ANs/assistants get a score for answering “consult an RN”, whereas RNs do not), deficiencies in sight and hearing, body mechanics, simple procedures, make oneself understood, personal attributes concerning reaching co-workers, cooperation with ANs and assistants, cooperation concerning documentation, cooperation with leader and RNs, and the personal attributes sum-variable.

Indeed, it could be that ANs who are generally well experienced in community elderly care have higher competence than RNs (mean years of experience for ANs in community elderly care was 15). ANs work mostly with patient-direct work and may therefore be more competent in such areas. Another explanation is that RNs may be more self-critical to their own competence than ANs and assistants (on self-evaluation items). In a review of the effectiveness of self-assessment Colthart et al. [47] found that ability and experience appears to affect self-assessment, meaning that competent practitioners are more accurate in their self-assessment than individuals who lack competence.

What is equally interesting about the results from the competence measurement is that on no competence variables do any of the nursing staff groups reach the maximum score. On some variables there is even a large gap between the maximum score and the achieved mean score, e.g. on nursing measures, new palliative measures, patient observations, advanced procedures, nursing documentation, electronic communication, and not being able to reach co-workers. As the NOP-CET measures competence necessary to provide safe care to frail, older patients this is worrying. Older patients in community elderly care are as described characterised by multi-morbidity, polypharmacy, and/or cognitive failure, which requires that adequate nursing care and treatment is initiated without delay [19]. The results from this survey indicate that nursing staff as a group does not have sufficient competence to secure the required care and treatment of older patients as they lack basic nursing competence in observation, systematic assessment, initiating nursing measures, performing advanced procedures, documenting their work, and cooperating with co-workers when required (cannot reach them). This survey indicates that there are several areas of competence that need to be improved in order to achieve safe patient care in community elderly care. A recent report found that the Norwegian municipalities had not offered or facilitated sufficient competence development to their nursing staff in accordance with the increasing complexity in current community elderly care [30]. Therefore a large competence challenge is facing the municipalities as they are required by law to provide safe care to people in need of health care in accordance with their needs [48].

Still, the indications of inadequacy in competence must be considered with precautions as a cut-off for minimum acceptable score has not yet been set. Future research into competence measurement of nursing staff should therefore establish the lowest clinically acceptable score for the nursing staff group as a whole, and for each of the three nursing staff groups separately. This exercise could help municipalities to differentiate better between groups, to understand which group is competent for which task and which group of patients, and to evaluate this continually. Research has shown that there is a link between adverse events in nursing care and competence level [26, 49], and one way to evaluate quality of care is to secure that those who provide care and treatment are sufficiently competent to do so.

It is uplifting that competence as measured results in the expected pattern of RNs having more competence than ANs who again have more competence than assistants. This is yet another sign of validity, i.e. known-group validity [45]. In our conceptualisation of competence we also pointed at the importance of collective competence; that nursing staff as a whole needs to be competent to provide safe health care to older patients. In this light the varying competence levels as depicted in Table 5 can be considered complimentary to one another, and may assure that the sum (i.e. collective competence) is more than its parts.

Influences on competence

The results from the regression model showed that professional group affiliation, working place, and age influenced competence level. These variables explain 30 % of the variance in competence. One could, however, expect that education and training would have more impact on competence than what is shown. This result could be influenced by the element of self-assessment that the NOP-CET incorporates.

Gordon [50] defines valid self-assessment as judging one’s performance against appropriate criteria, and accurate self-assessment as gaining reasonable concurrence between self-acclaimed and other, validated measures of competence. In this definition the importance of appropriate criteria against which to judge one’s own competence is central. Thus, an explanation for the relatively low influence education and training has on competence could be that nursing staff have poor criteria against which they can judge their own competence. Nursing staff in Norwegian nursing homes and home care services handle very similar tasks, and are expected to care for most patients, regardless of group affiliation. Haukelien [31] found that the relatively low competence available in community elderly care is reinforced by an attitude of “pulling the load together”, which entails that everybody must do all tasks in order to keep it going and that RNs with the highest competence therefore do not put all their competence to use. As community elderly care is increasingly taking on more patients in a complex, frail state, we believe that role differentiation should be much clearer, and role descriptions of expected competence should be created.

The regression model showed that staff in nursing homes scored 10 points more than staff in home care services, which we can interpret as staff in nursing homes have more competence than staff in home care services. In light of our conceptualisation of competence, this result is understandable because staff in home care services work mostly on their own in patients’ homes and can rely less on collective, relational competence. It is also worrying, as patients in home care are more reliant on the competence of individuals than in nursing homes where there is more staff present at all times. An implication of this could therefore be to take a closer look at what competence home care staff is lacking and how to alleviate the competence gap between nursing homes and home care services.

Finally, age is shown to have a negative impact on competence, meaning that the older respondents scored lower than younger respondents. This finding is likely due to the generally higher age of ANs than RNs, but could also be caused by a cohort effect in terms of education and training, meaning that the oldest respondents have not been able to stay up-to-date due to the general lack of competence development. This finding could have the implication of giving staff who have worked for many years the opportunity to upgrade their competence and keep up-to-date on developments in the field of community elderly care.

Conclusion

When assessing all staff in relation to the expected competence level, we are in a position to say how competence differs between nursing staff groups; and give leaders in community elderly care a tool to work systematically with developing the competence needed to provide safe care to older patients. In this survey we found that overall RNs are more competent than ANs and assistants, but that the two latter groups also score higher than RNs in some areas. However, as collective competence is an important prerequisite for how we have measured competence, the varying competence levels may work complimentary and thereby assure sufficient competence levels. A more detailed exploration of whether the shown competence levels of nursing staff are actually sufficient is, however, needed. Future research should therefore establish the lowest clinically acceptable competence levels for community-based nursing staff.

We found that a multiple linear model predicts 1/3 of the variation in competence, thus many factors which could explain differences in competence-levels other than education/training, workplace and age are left to be explored. A reason for the relatively low influence of education and training on competence could be the diffuse roles that nursing staff have in community elderly care, implying that they have poor standards against which to judge their own competence. Clearer role descriptions for all groups of nursing staff are recommended.

Abbreviations

NOP-CET:

Nursing older people – competence evaluation tool

RN:

Registered nurse

AN:

Assistant nurse

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Correspondence to Pia Cecilie Bing-Jonsson.

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PCBJ: conception and design, data acquisition and interpretation, drafting of article, all revisions, final approval. DH: conception and design, interpretation, drafting of article, revision, final approval. ITB: conception and design, drafting of article, revision, final approval. MK: conception and design, drafting of article, revision, final approval. CF: conception and design, interpretation, drafting of article, all revisions, final approval.

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Bing-Jonsson, P.C., Hofoss, D., Kirkevold, M. et al. Sufficient competence in community elderly care? Results from a competence measurement of nursing staff. BMC Nurs 15, 5 (2016). https://doi.org/10.1186/s12912-016-0124-z

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Keywords

  • Nursing Home
  • Nursing Staff
  • Register Nurse
  • Home Care Service
  • Competence Development