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Nursing Problems / Problemy Pielęgniarstwa
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1/2020
vol. 28
 
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Original paper

Depressive disorders in type 2 diabetes – initial reports

Katarzyna Wojtas
1
,
Katarzyna Anna Czyżowicz
1
,
Iwona Sibiga
2
,
Zofia Musiał
1

1.
Department of Clinical Nursing, Institute of Nursing and Midwifery, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland
2.
Clinic of Gastroenterology, Endocrinology, and Internal Diseases, Military Institute of Medicine, Warsaw, Poland
Nursing Problems 2020; 28 (1): 46-50
Online publish date: 2020/06/15
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INTRODUCTION


Diabetes belongs to metabolic diseases and is characterised by chronic glucose disturbance (hyperglycaemia) causing ma-ny complications [1].
The need to change the patient’s lifestyle due to the need for systematic self-monitoring, compliance with dietary recom-mendations, and taking actions to prevent early and late diabetes complications [2], as well as the lack of prospect for a cure [3], can affect the well-being of the sick person and contribute to the development of depressive disorders. Some studies show that depression is a common phenomenon among people with diabetes that may have a recurrent tendency [4]. The course of de-pressive disorders includes a number of symptoms that require medical intervention, including lower mood, slower psychomo-tor drive, and sleeping disorders [5].
Diabetes, as a chronic disease, often causes dependence among family members [6], who are most often sources of support and assistance for the patient.

AIM OF THE STUDY


The aim of the study was to assess the occurrence and severity of depressive disorders and related factors among patients aged 35-64 years diagnosed with type 2 diabetes.

MATERIAL AND METHODS


The study was conducted in the Department of Metabolic Diseases of the University Hospital in Krakow, after obtaining the consent of the Bioethics Committee (1072.6120.192.2017) and the consent of each of the 70 qualified patients diagnosed with type 2 diabetes. Subjects had to meet the criteria of age (35-64 years old) and duration of hospitalisation (over three days). Coexi-stence of neoplastic disease, dementia, and radical treatment of diabetes complications (limb amputation) were the criteria for exclusion from the study. The research was carried out using the diagnostic survey method, the interview technique, and a scale. In order to assess the severity of depressive disorders, the Beck Depression Inventory was used allowing patients to express their feelings on a four-point scale. According to the key – the higher the point values obtained in the inventory, the greater the severity of depressive disorders [7]. The second research tool – the author’s interview questionnaire – allowed sociodemographic data and data on the course of diabetes to be obtained.
The study group comprised 42.9% women and 57.1% men; the average age was 55.66 years (±7.03). 74.3% of the respon-dents remained in permanent relationships, and 40.0% of the respondents lived with their spouse or partner. The biggest group of the respondents had basic vocational education (42.9%). Current professional activity was confirmed by 32.9% of the parti-cipants. In turn, 12.9% of people participating in the survey described their own monthly income as sufficient. 58.6% of re-spondents indicated a city as their place of residence. The average duration of illness in the study group was 10.58 ±7.61 years.
The statistical analysis of the data was carried out in the Statistica 13.1 package, and the tests of Shapiro-Wilk, U Mann-Whitney, and ANOVA Kruskal-Wallis were used. Numeric variables are presented as arithmetic average, standard deviation, median, minimum, maximum, the lower and upper quartiles. Correlations were established on the basis of Spearman’s rank correlation coefficient. Statistical significance was assumed at p < 0.05.

RESULTS

RESULTS OF BECK’S DEPRESSION INVENTORY


The average number of points obtained by the examined patients in the Beck Depression Inventory was 12.81 points, with the standard deviation SD = 9.84 points, which means a moderate severity of depressive disorders.

CORRELATIONS BETWEEN THE BECK DEPRESSION INVENTORY RESULTS AND DEMOGRAPHIC VARIABLES


Greater severity of depressive disorders was confirmed by people who were professionally inactive (p = 0.012), in contrast to working people, as well as patients by whom monthly income was defined as insufficient or rather insufficient (p = 0.006). There was no significant relationship between the severity of depressive disorders and gender, age, marital status, place of residence, education, and source of income (p > 0.05). The results shown in Table 1.

CORRELATIONS BETWEEN BECK’S DEPRESSION INVENTORY RESULTS AND SELECTED VARIABLES RELATED TO THE COURSE OF DIABETES


Selected variables related to the course of diabetes were grouped into the following categories: subject’s reactions after the diagnosis of the disease and its impact on the emotional sphere, current treatment, support in the disease, and rules of conduct and care in diabetes.
Data analysis showed a statistically significant positive relationship between the severity of depressive symptoms among the subjects and the occurrence of a feeling of uncertainty after hearing the diagnosis (p = 0.048). There was no relationship between the severity of depressive disorders and dejection, despair, fright, fear, nervousness, anxiety, anger, disbelief, denial, panic, and indifference felt in this situation (p > 0.05).
The correlation between the current treatment of the subjects and the severity of depressive disorders was statistically si-gnificant. It was shown that greater severity of the above disorders was present in people whose treatment included simulta-neous insulin intake and diet compared to patients whose treatment was different (p = 0.012).
It was also shown that greater scores in the Beck Depression Inventory were obtained by subjects who, due to diabetes, required the help of other people, in contrast to subjects not requiring such support (p < 0.001).
The obtained results of our own research also showed that greater severity of depressive disorders was present in people who did not comply with the rules of conduct in diabetes, compared to patients who followed these recommendations (p = 0.016). Another statistically significant correlation in this area concerned the severity of depressive disorders and difficul-ty in foot care – greater severity of these disorders occurred among people who had more difficulty in foot care in accordance with applicable guidelines (p = 0.041).
Patients who to a greater extent felt the effects of diabetes on psychological wellbeing scored more higher the Beck De-pression Inventory than those who did not confirm such effects (p < 0.001).
The last statistically significant correlation was confirmed between the source of support and the severity of depressive di-sorders. A greater severity of depressive disorders occurred among people who did not confirm receiving support from their spouse or partner in comparison with respondents who declared such support (p = 0.014). The relationships obtained are illustrated in Table 2.

DISCUSSION


The issue of the occurrence of depressive disorders among patients with type 2 diabetes was undertaken in connection with epidemiological data showing the growing tendency of this type of diabetes [8], as well as with the wide occurrence of its subsequent after-effects [9]. Test results confirm the presence of depressive relationships in this group of patients [10, 11].
Available analyses confirm the possibility of using many tools for assessing depressive disorders [12]. The Beck De-pression Inventory was used in this analysis. The received results show the occurrence of moderate depressive disorders among the surveyed patients. Similar intensification of depressive disorders occurred among people with type 2 diabetes participating in Kalka’s [13] studies, concerning patients’ quality of life and occurrence of depressive symptoms as well as their ways of coping with stress.
Scientific reports also confirmed the connection between sociodemographic variables and depressive disorders in peo-ple diagnosed with type 2 diabetes. Analysis of the mentioned relations was also undertaken in our own research. Increased severity of depressive symptoms was confirmed among professionally inactive people who determined their monthly in-come as insufficient or rather insufficient. There was no significant correlation between the severity of depressive disorders and other selected variables, such as: gender, age, marital status, place of residence, education, and source of income. For comparison, in the study conducted by Alajmani et al. [14] women, unemployed people, and those with lower level of edu-cation received a higher number of points in the Beck Depression Inventory, which meant a greater severity of depressive disorders. In their research, Sughra et al. [15] also showed that women, compared to men, presented a greater severity of depressive symptoms, but this difference was not statistically significant. Zhang et al. [16] published results confirming that loneliness, as opposed to being married, was associated with the intensification of depressive symptoms. Kurowska et al. [17], in turn, obtained results that confirmed that the unemployed and those receiving disability benefits had a greater severity of depressive symptoms. The research published by Sopjani et al. [18] also showed that variables such as female sex, lower level of education, and living in rural areas were correlated with the severity of depressive disorders.
Diabetes, as a chronic disease, requires taking many actions in the field of self-control and self-care. The need for con-stant self-monitoring and compliance with medical recommendations may cause fatigue, nervousness, growing frustration, or anger. In some patients it promotes low self-esteem and even the development of depressive disorders [19]. Patients parti-cipating in the study also confirmed that diabetes had an impact on their mental wellbeing. Reactions and emotions after hearing a diagnosis of a chronic disease can be very different. They reflect both the acceptance and lack of acceptance of the disease [20], as well as anxiety, stress, and depressive disorders [2]. The obtained results of our own research showed signi-ficant positive correlations between the severity of depressive symptoms and the reaction after hearing the diagnosis. People participating in the study felt, among others: anxiety, fear, terror, or nervousness and uncertainty. However, only the feeling of uncertainty after being diagnosed with diabetes was related to the severity of depressive disorders.
A number of analyses show how important the problem of depressive disorders occurring among people with diabetes is today. Lerman et al. [21] in their studies proved that non-compliance with medical recommendations was associated with the occurrence of depressive symptoms. Park et al. [22] published results indicating correlation between a greater severity of de-pressive symptoms and non-compliance with diet. In turn, Sopjani et al. [18] in their study did not receive results confirming the relationship between the severity of the above disorders and diet. Of note, the meta-analysis carried out by Bai et al. [23] confirmed that insulin treatment was associated with a risk of depressive disorders. The authors’ own research showed that patients who had more difficulty with foot care were characterised by significantly greater severity of depression. This impor-tant correlation prompts the reflection that professionals dealing with patient care should be more sensitive to the need to as-sess the knowledge and skills of patients with diabetes, especially in terms of necessary care activities and restrictions that cause difficulties in their performance.
Moreover, the lack of a spouse’s or partner’s support declared by the respondents significantly correlated with the severity of depressive disorders. In their study, Michalska-Leśniewicz and Gruszczyński [24] reported that remaining in a relationship that gives a sense of happiness is a factor that allows people to struggle with various life situations, including illness. Ho-wever, the absence of someone who is close to you contributes to negative self-esteem and is a predisposing factor for de-pression. Spouses are usually the first to provide support in difficult situations. The relationships with siblings, family, or friends are not a real replacement for the relationship with the spouse and cannot be a buffer against stress and depression. Such conclusions are formulated, for example, by Rad et al. [25] in their research meta-analysis. Habtewold et al. [26] also state that the lack of social support may be an important risk factor for depression. It seems reasonable to assess patients’ support resources among relatives and, in the case of its absence, to identify and provide alternative sources of support. The interdisciplinary team, within its competence, is also prepared to provide support in various dimensions.
Due to numerous analyses confirming the presence of depressive symptoms among people suffering from type 2 diabetes, the conclusion that there is a need for screening research in this direction can be drawn. The team led by Joseph et al. [27] confirmed such a possibility and at the same time proved that it would allow for the provision of quick and professional help to patients. According to Joseph et al., each member of the interdisciplinary team can carry out screening research. Obviously, it is associated with the need for professionals to constantly deepen their knowledge about depression itself and its increased risk among diabetics. Based on their own and their colleagues’ meta-analysis of scientific reports, Khaledi et al. [28] also em-phasised the need for screening in the field of depressive disorders and risk factors among patients with diabetes.

CONCLUSIONS


In connection with the results of our own research, it seems necessary to take actions aimed at sensitising interdisciplinary teams to the risk of depressive disorders among patients with type 2 diabetes.
Early recognition of depressive disorder symptoms will enable action to be taken in order to prevent their aggravation and provide holistic care to patients.
The presented results are fragments of research carried out as a part of statutory project No. K/ZDS/007059: “Occurrence of depressive disorders in people with type 2 diabetes aged 35-64”.

Disclosure


The authors declare no conflict of interest.

References


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