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Research

Grief symptoms and primary care use: a prospective study of family caregivers

Mette Kjærgaard Nielsen, Kaj Christensen, Mette Asbjorn Neergaard, Pernille Envold Bidstrup and Mai-Britt Guldin
BJGP Open 2020; 4 (3): bjgpopen20X101063. DOI: https://doi.org/10.3399/bjgpopen20X101063
Mette Kjærgaard Nielsen
1 Research Unit for General Practice, Aarhus, Denmark
2 Department of Public Health, Aarhus University, Aarhus, Denmark
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  • For correspondence: mette.k.nielsen@ph.au.dk
Kaj Christensen
1 Research Unit for General Practice, Aarhus, Denmark
2 Department of Public Health, Aarhus University, Aarhus, Denmark
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Mette Asbjorn Neergaard
3 Department of Oncology — The Palliative Care Unit, Aarhus University Hospital, Aarhus, Denmark
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Pernille Envold Bidstrup
4 Psychological Aspects of Cancer, Danish Cancer Society, Copenhagen, Denmark
5 Department of Psychology, University of Copenhagen, Copenhagen, Denmark
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Mai-Britt Guldin
1 Research Unit for General Practice, Aarhus, Denmark
3 Department of Oncology — The Palliative Care Unit, Aarhus University Hospital, Aarhus, Denmark
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Abstract

Background Family caregivers to patients who are severely ill have high use of primary health care and psychotropic medication. However, it remains sparsely investigated whether healthcare services target the most vulnerable caregivers.

Aim This study aimed to examine associations between family caregivers’ grief trajectories of persistent high-grief symptom level (high-grief trajectory) versus persistent low-grief symptom level (low-grief trajectory), as well as early contacts with GPs or psychologists and the use of psychotropic medication.

Design & setting A population-based cohort study of family caregivers (n = 1735) in Denmark was undertaken.

Method The Prolonged Grief-13 (PG-13) scale measured family caregivers’ grief symptoms at inclusion (during the patient's terminal illness), 6 months after bereavement, and 3 years after bereavement. Multinomial regression was used to analyse register-based information on GP consultations, psychologist sessions, and psychotropic medication prescriptions in the 6 months before inclusion.

Results A total of 1447 (83.4%) family caregivers contacted their GP, and 91.6% of participants in the high-grief trajectory had GP contact. Compared with family caregivers in the low-grief trajectory, family caregivers in the high-grief trajectory had ≥4 face-to-face GP consultations (odds ratio [OR] = 2.6; 95% confidence interval [CI] = 1.3 to 5.0), more GP talk therapy (OR =4.4; 95% CI = 1.9 to 10.0), and more psychotropic medication, but not significantly more psychologist sessions (OR = 1.7; 95% CI = 0.5 to 6.6).

Conclusion Family caregivers in the high-grief trajectory had more contact with their GP, but their persisting grief symptoms suggest that primary care interventions for family caregivers should be optimised. Future research is warranted in such interventions and in the referral patterns to specialised mental health care.

  • bereavement
  • grief
  • caregivers
  • psychology
  • psychotropic drugs
  • primary health care

How this fits in

Family caregivers have high use of primary care services before and after bereavement. Persistent grief symptoms indicate that family caregivers need support from health professionals. This study shows a higher use of primary care services and psychotropic medication before bereavement in family caregivers who developed persistent high-grief symptoms. Early identification of vulnerable family caregivers and development of targeted interventions adapted to primary care is indicated.

Introduction

Severe illness may cause grief and distress in patients and their relatives.1 A substantial proportion of family caregivers report high levels of grief symptoms (15%),2,3 caregiver burden (11%–33%),4,5 and anxiety and depressive symptoms (15%–30%).1,5 Previous studies have shown that family caregivers are prescribed more antidepressants and sedatives during end-of-life care and bereavement,6,7 have more psychologist sessions before and after bereavement,6 are hospitalised more often,6,8 and have higher all-cause mortality9 than non-bereaved family caregivers. These prior findings underline the highly stressful situation of most family caregivers before and after bereavement, and call for the identification of support needs at an early time point.

A high level of grief symptoms before bereavement has been found to predict negative reactions after bereavement.3,10,11 Prior psychiatric illness, including depressive symptoms, have repeatedly been associated with severe bereavement outcomes such as self-harm, suicide,12 depression,11,13 and prolonged grief disorder.11,13,14 In a previous study of longitudinal development of grief symptoms from end-of-life care into 3 years of bereavement, it was found that 38% of a population-based cohort of family caregivers (n = 1735) had persistently low levels of grief symptoms (low-grief trajectory).15 Approximately half of the family caregivers had moderate or high grief symptom levels before bereavement, which decreased after death; moderate/decreasing grief trajectory (29%) and high/decreasing grief trajectory (18%). Moreover, 9% had relatively low-grief symptom levels before the patient’s death, which increased at 6 months after the patient’s death (late-grief trajectory), and 6% had persistently high-grief symptom levels (high-grief trajectory). Hence, a substantial group of family caregivers seem to experience grief symptom levels that could suggest unmet needs for support from health professionals such as their GP, psychologist, or psychiatrist.

Continuity of care has been found to reduce patients’ mortality,16 and GPs have an opportunity to provide continuous support before and after bereavement. However, it is not known whether the available healthcare services reach the family caregivers who display persistent and severe grief reactions.

This study aimed to investigate associations between grief trajectories in family caregivers and the number of different types of GP consultations, GP-referred psychologist sessions, and use of psychotropic medication (antidepressives and sedatives) before bereavement.

Method

​Study design and setting

This prospective study is based on a longitudinal, population-based cohort of family caregivers in Denmark, where health care is tax-funded and services are free of charge for citizens. The GPs are paid on a per-capita basis combined with fee-for-service payment, and serve as gatekeepers to secondary care.17 Psychiatric services are fully covered by the healthcare system. Yet, 40% of the costs of up to 12 GP-referred psychologist sessions are self-paid, whereas up to seven GP talk therapy sessions are free of charge.18

To systematically identify family caregivers of patients with terminal illness, register-based information was obtained on all patients receiving drug reimbursement owing to terminal illness in 2012.19 On a weekly basis, a letter was sent with a questionnaire to newly registered patients and asked for their closest family caregiver to complete the questionnaire.5 Enrolled family caregivers completed a questionnaire at the time of inclusion (T0), at 6 months after bereavement (T1), and at 3 years after bereavement (T2) (Figure 1). It was intended that follow-up at 6 months post-loss would capture short-term grief reactions beyond acute grief, and that 3 years of follow-up would capture long-term grief reactions. Questionnaire data were combined with register-based data variables and analysed at Statistics Denmark.20

Figure 1.
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Figure 1. Flow diagram of family caregivers at the time of the patient’s drug reimbursement registration owing to terminal illness (T0), 6 months after the patient’s death (T1), and 3 years after the patient’s death (T2).

​Questionnaire-based variables

The PG-13 scale21 measured grief symptoms at T0, T1, and T2. At baseline (T0), an adapted version of the scale5 was used to accommodate to the situation before the patient’s death in line with prior studies.3 At baseline, information on the family caregiver’s personal relation to the patient who was terminally ill (partner, non-partner [adult child, other relation]) was obtained.

​Register-based variables

Data on the family caregiver’s age, sex, educational level (low [≤10 years], intermediate [>10 and ≤15 years], high [>15 years]), and the patient’s survival time from drug reimbursement initiation were extracted from the Danish Civil Registration System.22 The family caregiver’s potential somatic diseases registered in the Danish National Patient Registry23 on the basis of hospital contacts were categorised (0, ≥1) according to the Charlson Comorbidity Index (CCI).24 Contacts to the GP and a psychologist (after referral from a GP) restricted to a period of 6 months prior to study inclusion were retrieved from the Danish National Health Service Register.25 GP contact was presented as overall variables (any consultation) divided into consultation type (daytime, prevention, talk therapy, phone, email, and home visit). The Danish National Prescription Registry26 provided Anatomical Therapeutic Chemical (ATC) Classification System codes for any use of sedatives (MN05C) and antidepressants (MN06A).

​Statistical analyses

In a prior study, five specific grief trajectories were identified based on grief symptoms on the PG-13 scale at T0, T1, and T2.15 Stata Plugin traj was used for estimating group-based trajectory models27 in Stata (version 14).28 Fit indices and diagnostic model performance were published as Supplemental Material B.15

The distribution of healthcare use was described as proportions in the five grief trajectories. Associations were identified between grief trajectories and use of health care and medication using a multinomial logistic regression model, which was adjusted for age, sex, personal relation, education, somatic illness in the family caregiver, and the time from inclusion to the patient’s death. The outcomes were reported as ORs with 95% CIs.

Results

​Study population

At T0, 3635 family caregivers completed the baseline questionnaire. Of these, 2420 (66.6%) had been bereaved within 6 months after baseline and were sent the first follow-up questionnaire at T1. In total, 2125 (58.5% of the baseline population) participated at T1, and 1735 (47.7%) family caregivers also completed the second follow-up questionnaire at T2, comprising the study population (Figure 1). Participants were predominantly females (70.7%) and partners (65.6%) with a mean age of 62 years (Table 1). The high-grief trajectory was associated with older age and being a partner compared with the low-grief trajectory, whereas no sex difference was present.15

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Table 1. Characteristics of the total study cohort at inclusion (baseline), N = 1735.

​Use of healthcare services and psychotropic medications

Prior to study inclusion, 83.1% of all family caregivers and 91.6% of family caregivers in the high-grief trajectory had a GP consultation. Hereof, 73.0% had a daytime consultation and 4.3% received talk therapy. Additionally, 2.8% had contact with a psychologist after GP referral, 8.9% were prescribed sedatives, and 9.2% were prescribed antidepressants (Table 2). The number of overall consultations and use of sedatives increased by rising age, whereas younger persons had more psychologist sessions (data not shown).

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Table 2. Healthcare use in the 6 months before baseline among family caregivers, according to grief trajectory.

Compared with the low-grief trajectory, the high-grief trajectory was associated with ≥4 face-to-face GP consultations (OR = 2.6; 95% CI = 1.3 to 5.0), GP talk therapy (OR = 4.4; 95% CI = 1.9 to 10.0), and the use of sedatives (OR = 3.3; 95% CI = 1.8 to 6.0) and antidepressants (OR = 2.6; 95% CI = 1.4 to 4.7), whereas the number of psychologist sessions did not significantly increase (OR = 1.7; 95% CI = 0.5–6.6) (Table 3). Caregivers in the high-grief trajectory also had more GP phone consultations, but they had fewer email consultations and preventive consultations (Figure 2).

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Table 3. Consultations and prescriptions during 6 months before inclusion and associationsa with grief trajectories, N = 1735.
Figure 2.
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Figure 2. Type of GP consultation 6 months before inclusion. Mode/decr = moderate/decreasing. High/decr = high/decreasing.

Discussion

​Summary

The present study provides new knowledge establishing that family caregivers who developed a high-grief trajectory attended their GP more frequently early in the caregiving period than their comparable peers in a low-grief trajectory; they received more face-to-face consultations and more GP talk therapy, and they were also more likely to be prescribed psychotropic drugs.

During the 6 months prior to the registration of terminal illness, the GP was in contact with the vast majority (83.1%) of family caregivers and with 91.6% of those in a high-grief trajectory. However, 8.4% of this vulnerable group had no contact with their GP. The high-grief trajectory was associated with more face-to-face GP consultations, GP talk therapy, and use of psychotropic medication compared with the low-grief trajectory, whereas the use of a psychologist after GP referral did not differ between grief trajectory groups.

​Strengths and limitations

The high completeness of the Danish health registers enabled systematic sampling of a population-based cohort of family caregivers to patients who were severely ill. The considerable sample size of 1735 participants included in the present study enhanced the precision of the estimates and the random sampling improved internal validity. Another strength was the identification of grief trajectories through repeated measurements of grief symptoms on the validated PG-13 scale in the data-driven, group-based trajectory model (GBTM),27 which provided an overview of grief development patterns that goes beyond the mean of single measurements of grief symptoms.15 A total of 90% completed the PG-13 scale at all time points of the assessment (T0, T1, and T2). Missing values were evenly distributed (missing at random) and handled in the GBTM.

The high-grief trajectory consisted of only 107 individuals, and this small sample size might have been a limitation. Nevertheless, the sample size was larger than in comparable studies and sufficient to adjust for factors considered to be of a priori relevance in the regression analysis,15 and further allowed for inclusion of comorbidity in the present analysis of primary care contacts.

The response rate of 38.2% at baseline is comparable with the response rate of family caregivers to severely ill patients in previous studies.3 Still, selection bias cannot be ruled out. In a non-response baseline analysis, it was found that patients with study participants were younger and higher educated compared with patients without participants.5 When comparing family caregivers at baseline with those included in the present analysis, it was found that the present study population was older and higher educated.15 Younger people and those with low education may have been more distressed.30 Hence, the use of healthcare services and medication (and the prevalence of adverse grief trajectories) may have been underestimated in this study.

​Comparison with existing literature

The findings extend the knowledge gained in prior studies showing overall increased primary healthcare use among family caregivers before bereavement.6,7,31 The symptom level in the high-grief trajectory indicates psychological distress in family caregivers and need of support.15 Contacts with primary care provides an opportunity for the GP to identify individual support needs and to arrange follow-up visits. A total of 8.4% of family caregivers in the high-grief trajectory had no contact with primary care in the study period. They may have received unregistered support from health professionals, such as community nurses, specialised palliative care units, or self-payed psychologists, without effect on their long-term high-grief symptom levels. Still, it is also possible that they may not have been able to reach out for support, which has previously been reported among 10% of patients with depressive symptoms who did not seek mental health services.32 One previous study found that bereaved people were more likely to seek mental health care during bereavement if they had discussed psychological issues with a health professional before bereavement.33 An invitation to a designated appointment from health professionals was regarded as positive and helpful among family caregivers in a qualitative study, regardless of the family caregivers’ need for support.34 Further research is needed to explore if such a proactive approach by the GP combined with systematic assessment of support needs could ensure that all family caregivers receive the necessary support from the GP and other health professionals.

Although other studies have reported benefits of primary care services during bereavement, the present study findings point at insufficient support for family caregivers with persistently high-grief intensity. Compared with the low-grief trajectory, family caregivers in the high-grief trajectory used more sedatives (23.4% versus 5.7%) and antidepressants (17.8% versus 7.0%). Grief and depression are conditions with clear distinctions although they are connected.35 The high use of antidepressants may partly be explained by a concomitant depression, whereas the high use of sedatives prior to the registration of the patient’s terminal illness indicates severe psychological distress. The medical and psychotherapeutic treatment for grief and depression differ, and assessment of symptoms aid provision of targeted support and might prevent unnecessary use of medication.

For bereaved people with persistent high-grief symptom levels, complicated grief therapy has been shown in other studies to significantly alleviate grief reactions, whereas antidepressants have shown effect only on depressive symptoms.36 Furthermore, a previous bereavement study showed that GP talk therapy in the period shortly after bereavement reduced the risk of long-term mental illness.37 In the present study, the high-grief trajectory was associated with GP talk therapy, which was expected to improve symptom levels. However, grief symptom levels remained high. One reason could be the loosely defined content of GP talk therapy, with no theoretical framework, the format of brief sessions (approximately 20–30 minutes), and especially the limited training of GPs in providing talk therapy.18 Also, the situation of family caregivers is complex and is likely to involve allostatic overload.38 Caregiving is often a continuous stressor that causes biological dysregulation and overstimulation in those with poor adaptation skills and poses a risk of developing psychiatric illness.38 Hence, continuous focus on adaptation skills may be required.

Other resources of mental health support in the Danish healthcare system are psychologist services. In the present study, the caregivers in the high-grief trajectory did not attend psychologists after referral by GPs more than the caregivers in the low-grief trajectory. This might be owing to the timing of assessment (that is, before the registration of the patient’s terminal illness), at which time the need for referral might not yet have been identified. Moreover, waiting time to see a psychologist can be long (up to 1 year) and this may also play a role. Another reason could be that the great demands of caring for a loved one at the end of life may leave little time and surplus energy in the caregiver for therapy. Since psychologist sessions are partly self-paid,39 poor economic resources is another likely barrier to help-seeking in those with low socioeconomic positions.15 A recent health-check study found that people with low educational level had higher distress levels and that equal opportunity for mental health care is required to ensure optimal support for vulnerable groups.39

​Implications for practice and research

The vast majority of family caregivers were in contact with their GP before bereavement. This provided a golden opportunity for the GP to identify support needs and plan bereavement care. Health professionals in primary care should consider the need of support in family caregivers and the risk of adverse outcome, as early supportive interventions for vulnerable family caregivers who develop a high-grief trajectory may alleviate symptoms and prevent long-term complications.

A newly developed risk assessment tool has been shown to be feasible in a specialised palliative care setting,40 and the Brief Grief Questionnaire can be used to identify grief symptoms in patients in primary health care attending behavioural health services.41 Future research needs to examine the feasibility in primary care of a brief risk and symptom identification tool for family caregivers combined with the provision of support; for example, based on evidence from established interventions such as complicated grief therapy.42 Intervention components may include psycho-education, network activation, focus on self-care, and meaningful activities. Also, education of health professionals, including GPs, is crucial.43 Implementation of interventions may have the potential to support the daily functioning, target the use of psychotropic medication, and prevent complications after bereavement for family caregivers.

Notes

Funding

This work was supported by the Novo Nordisk Foundation (grant ref: NNF17OC0024410) and the Danish Cancer Society (grant ref: R160-A10389-16-S3).

Ethical approval

The cover letters and the questionnaire instructions were made in consideration of the vulnerable situation of the patients and their relatives. All material was pilot-tested face-to-face by relatives before distribution. The Committee on Health Research Ethics of the Central Denmark Region confirmed that this study required no ethical clearance according to the Danish Act on Research Ethics Review of Health Research Projects. The study was approved by the Danish Data Protection Agency (ref: 2013-41-2603).

Provenance

Freely submitted; externally peer reviewed.

Acknowledgements

The authors deeply thank all participants and wish to thank IT supporter Hanne Beyer, data manager Kaare Flarup, statistician Henrik Schou Pedersen, and language editor Lone Niedziella, all at the Research Unit for General Practice, Aarhus. Furthermore, the authors thank statistician Anders Helles Carlsen, Aarhus University Hospital — Psychiatry, Aarhus, for his work on grief trajectories.

Competing interests

The authors declare that no competing interests exist.

  • Received January 7, 2020.
  • Accepted January 27, 2020.
  • Copyright © 2020, The Authors

This article is Open Access: CC BY license (https://creativecommons.org/licenses/by/4.0/)

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Grief symptoms and primary care use: a prospective study of family caregivers
Mette Kjærgaard Nielsen, Kaj Christensen, Mette Asbjorn Neergaard, Pernille Envold Bidstrup, Mai-Britt Guldin
BJGP Open 2020; 4 (3): bjgpopen20X101063. DOI: 10.3399/bjgpopen20X101063

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Grief symptoms and primary care use: a prospective study of family caregivers
Mette Kjærgaard Nielsen, Kaj Christensen, Mette Asbjorn Neergaard, Pernille Envold Bidstrup, Mai-Britt Guldin
BJGP Open 2020; 4 (3): bjgpopen20X101063. DOI: 10.3399/bjgpopen20X101063
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Keywords

  • bereavement
  • grief
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  • Translating primary care to telehealth: analysis of in-person consultations on diabetes and cardiovascular disease
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