Abstract
Background
Different scales have attempted to assess various aspects of family dynamics and structures. Good family function seems to allow for better prognoses for basic diseases and appears to be a predictor of depression. The aim of this study was to determine the association between family functionality and depression.
Methods
This is a systematic review and meta-analysis including cross-sectional, cohort, and case-control studies using validated instruments such as the Family APGAR (Adaptability, Partnership, Growth, Affection, and Resolve) and Family Adaptability and Cohesion Evaluation Scale III. A search strategy was designed for the MEDLINE, Embase, Central, and LILACS databases along with data saturation through a search of unpublished literature from the onset of the databases to the present. The categorical variables are expressed in terms of odds ratios (OR), and the statistical analysis was carried out using Review Manager ver. 5.31 (The Cochrane Collaboration, Oxford, UK) using forest plots with corresponding 95% confidence intervals (CI). A fixed-effect model was used according to the expected heterogeneity, expressed in terms of I2. The risk of bias was evaluated using the MINORS (methodological index for non-randomized studies) tool.
Results
A total of 1,519 studies were found, of which 10 were selected for the qualitative synthesis and four were chosen for the meta-analysis. The result for the association between family dysfunction and depression yielded an OR (95% CI) of 3.72 (2.70 to 5.12) and I2 of 24%.
Conclusion
Family dysfunction and depression are strongly associated.
Keywords: Apgar Score, Depression, Family Dysfunction, Meta-Analysis, Systematic Review
INTRODUCTION
In healthcare, the holistic vision of an individual is increasingly important, regardless of whether the approach is from a primary care or hospital services perspective.
There are several levels of knowledge regarding the patient as a person: an individual level with a physical or biological dimension, a psychological level with emotional and intellectual aspects, and a spiritual level. Finally, there is a social level, in which family, community, and cultural aspects stand out [1,2].
Several instruments have been developed to assess some of these dimensions. The dimensions most studied and developed in clinical practice are those related to emotions and family. Regarding the former, the emphasis has been on detecting depressive disorders, given the regarding healthcare costs and loss of work-hours. In turn, different scales have attempted to assess aspects of family dynamics and structures, such as the Family APGAR (Adaptability, Partnership, Growth, Affection, and Resolve), which obtains a qualitative measurement of the individual’s satisfaction regarding their family’s functioning [3,4]; the Gijon Social-Familial Evaluation Scale (SFES), which assesses social risk [5]; and the Family Adaptability and Cohesion Evaluation Scale III (FACES III), which evaluates family functionality through cohesion and flexibility [6,7].
In addition, we know from previous studies [4,6,8] that good family function seems to allow for better prognoses for basic diseases and appears to be a predictor of depression, which is a major public health problem that can lead to high functional disability and mortality; it has a lifetime global prevalence of 12% [8]. This condition carries an important psychosocial burden in which family support is crucial. Previous studies have shown that family environment variables (structure, function, support, and conflicts, among others) are related to the disease management, adherence to treatment, coping, complications, and the psychological adaptation of the individual and family to different pathologies [3]. However, thus far, we lack consistent scientific evidence that allows for the use of these instruments as elements associated with family functionality and patients with depression.
This study therefore aimed to determine the association between family functionality and depression.
METHODS
The present research followed the quality criteria of the Cochrane Collaboration and was guided by PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) standards for performing systematic reviews. The protocol was registered in PROSPERO: CRD4018106455.
1. Eligibility Criteria
We included all available studies (cross-sectional, case-control, and cohort) that used validated instruments to assess family function, such as the Family APGAR, Gijon SFES, FACES III, and clinical criteria in pediatric and adult populations from both genders. There were no language restrictions. The evaluations were carried out in the community or through outpatient or in-hospital consultations.
2. Exclusion Criteria
We excluded patients with previous psychiatric diagnoses other than depression.
3. Primary Outcome
The primary outcome was the association between family functionality and depression. We accepted the definition based on the Diagnostic and Statistical Manual of Mental Disorders of the American Psychiatric Association and the International Classification of Diseases in all their versions [9-11]. Likewise, depression screening scales were included.
4. Data Sources and Search Strategy
A search strategy was designed for the following databases: MEDLINE (National Library of Medicine, Bethesda, MD, USA), Ovid (Wolters Kluwer, New York, NY, USA), Embase (Elsevier, Amsterdam, Netherlands), and LILACS.
For the data saturation, a generic search strategy was designed for Google Scholar (Google Inc., Mountain View, CA, USA), reference lists, Open Grey, and thesis and seminar databases. There were no restrictions based on language or the statuses of publication of articles. The complete search strategy in each database can be viewed in Appendix 1.
5. Selection of Studies
The researchers performed the initial search according to the proposed strategies. Duplicates were eliminated, and two evaluators assessed the selected studies using the title and abstract, including those that met the criteria. Two evaluators reviewed the full texts obtained, and in cases of disagreement, they discussed the case with a third evaluator. The studies that met the inclusion criteria were subjected to the required quality coding and evaluation.
6. Data Extraction and Management
Two evaluators extracted the data from each complete study (after evaluating the inclusion criteria) blindly and independently, and cases of differences were resolved through discussions within the research group.
7. Risk of Bias Evaluation
Two researchers assessed the risk of bias independently in and between individual studies using the methodological index for non-randomized studies (MINORS instrument) [12]. Disagreements were resolved through consensus.
8. Statistical Analysis and Data Synthesis
The categorical variables were expressed in terms of odds ratios (OR), and the statistical analysis was carried out using Review Manager ver. 5.31 (The Cochrane Collaboration, Oxford, UK) using forest plots with corresponding 95% confidence intervals (95% CIs). A fixed-effect model was used according to the expected heterogeneity. We extracted the adjusted OR from one study and calculated the others ORs based on raw data (three studies).
9. Heterogeneity
The heterogeneity was expressed in terms of I2, which was interpreted as follows: less than 50%, low heterogeneity; greater than 50%, high heterogeneity [13].
10. Publication Bias
No evaluation was carried out given the few studies included in the meta-analysis.
11. Subgroup Analysis
A subgroup analysis was proposed, although it was nonviable given the few studies included.
RESULTS
1. Selection of Studies
The search strategy in the databases delivered 1,519 records. After eliminating duplicates and nonrelevant articles according to the inclusion and exclusion criteria, 10 studies were selected for a qualitative analysis and four for a quantitative analysis (Figure 1) [14-27].
Figure. 1.
Diagram of included studies.
2. Characteristics of the Selected Studies
Ten cross-sectional studies [14,15,20-27] and four cohort studies [16-19] were selected, which accounted for a total of 46,095 patients. The Family APGAR was used in 12 studies as a screening tool for family functionality, while the FACES III was used in two studies. The search yielded no results that used the Gijon SFES.
Regarding depression diagnoses, we found considerable variations in the instruments used. Four studies included a quantitative comparative analysis between family functionality and depression. Table 1 shows the remaining basic characteristics.
Table 1.
Characteristics of the selected studies
| Author | Country | Study design | Age (y) | Gender | Participants | Measurement tool: depression | Measurement tool: family function | Cut-off point for family dysfunction | Aim | Outcome |
|---|---|---|---|---|---|---|---|---|---|---|
| Nam et al. [23] (2016) | South Korea | Cross | 33-49 | M/F | 304 | CES-D, Korean version | FACES III Korean version | Adaptability and cohesion: high=better functionality | Family functionality and resilience as protective factors in North Korean refugees to develop depressive symptoms | An association was found between family cohesion and the presence of depressive symptoms. At higher cohesion, lower levels of depression were found |
| Saavedra-Gonzalez et al. [20] (2015) | Mexico | Cross | ≥60 | M/F | 220 | Scale of Yesavage | Family APGAR 10 points | <7 dysfunction | Evaluate the association between depression and family functionality in elderly of a family medicine unit | A correlation was found between nuclear type family and family functionality (better functionality) |
| Wang et al. [27] (2015) | China | Cross | 18-80 | M/F | 187 | Hospital Anxiety and Depression Scale | APGAR familiar 10 points | <7 dysfunction | Identification of indicators and their correlations with psychological alterations in patients on hemodialysis | By extracting the data from this study, the correlation between family functionality and depression could be found |
| Kim et al. [19] (2015) | South Korea | Cohort | NA | F | 62 | CES-D, Korean version | APGAR familiar 10 points | <7 dysfunction | Analyze the relationship within families made up of immigrant women and identify the relevant factors | The highest depression score was correlated with lower Family Apgar scores |
| De Oliveira et al. [14] (2014) | Brazil | Cross | >60 | M/F | 107 | GDS ver, 15 | Family APGAR, Brazilian version 20 points | Dysfunction <12 | Establish the relationship between family functioning and depressive symptoms in institutionalized elderly | Elderly people with dysfunctional families are more likely to have depressive symptoms |
| Souza et al. [21] (2014) | Brazil | Cross | ≥60 | M/F | 374 | GDS ver. 15 | Family APGAR 10 points | <7 dysfunction | Classify families of elderly with depressive symptoms regarding their functioning and to ascertain the presence of an association between these symptoms, family functioning and the characteristics of the elderly | Significant association between family dysfunction and depressive symptoms in families of the elderly |
| Chang et al. [25] (2014) | China | Cross | NA | F | 213 | CES-D | Family APGAR China 10 points | <7 dysfunction | Determine prevalence and factors associated with depressive symptoms in mothers with infants or toddlers | Family dysfunction was associated with depressive symptoms |
| Cao et al. [24] (2013) | China | Cross | 25-72 | M/F | 190 | Hamilton Depression Scale | Family APGAR 10 points | <7 dysfunction | Perceived family functioning and depression in bereaved parents in China after the 2008 Sichuan earthquake | A high prevalence of depression associated with family dysfunction was found |
| White et al. [16] (2014) | United Kingdom | Cohort | 12,14,17 | F | 2,379 | CES-D | FACES III | Adaptability and cohesion | Associations between family environment, family cohesion and psychiatric problems in adolescent women | Higher levels of family cohesion are associated with lower levels of depression |
| Nan et al. [18] (2012) | China | Cohort | ≥15 | M/F | 18,907 | Patient Health Questionnaire-9, Chinese version | Family APGAR, Chinese version 10 points | <7 dysfunction | Prevalence of depressive symptoms, risk factors in chronic medical conditions and the possible protective role of family relationships | Depressive symptoms were higher by number of conditions, stress, and dissatisfaction with family support. Family support had a protective factor |
| Sun et al. [26] (2011) | China | Cross | 15-25 | M/F | 10,140 | Beck Depression Inventory | Family APGAR 10 points Chinese version | <7 dysfunction | Assessment of the prevalence of psychological symptoms and social relationships among Chinese medical students | Better family functionality resulted in fewer depressive symptoms |
| Lin et al. [17] (2008) | Taiwan | Cohort | 16–Dec | M/F | 12,210 | CES-D, Chinese-Mandarin version | Family APGAR, Chinese version 10 points | <7 dysfunction | Depression and its association with self-esteem, family, peer, and school factors in a population of adolescents | Family dysfunction was associated with an increased risk of depression |
| Pérez Milena et al. [22] (2007) | Spain | Cross | 17–Dec | M/F | 405 | Goldberg Anxiety and Depression | Family APGAR 10 points | <7 dysfunction | Determination of the structure and function of adolescents’ families and | Family dysfunction associated with increased toxic consumption, anxiety |
| Peralta-Pedrero et al. [15] (2006) | Mexico | Cross | 20–59 | F | 400 | CES-D | Family APGAR 10 points | 6 dysfunction | Determine the prevalence of depressive symptoms in adult women attending family medicine and explore the associated risk factors | Family dysfunction was found as a risk factor for depressive symptoms |
Cross, cross-sectional; M, male; F, female; CES-D, Center for Epidemiological Studies-Depression; FACES III, Family Adaptability and Cohesion Evaluation Scale III; APGAR, Adaptability, Partnership, Growth, Affection, and Resolve; NA, not available; GDS, Geriatric Depression Scale.
3. Characteristics of Excluded Studies
Forty-seven references were excluded after reviewing the full texts because they contained no relevant information and/or did not meet the inclusion criteria.
4. Risk of Bias in Studies
The 14 selected studies were evaluated according to the MINORS bias risk tool; all the studies had a low risk of bias for the following items: clearly stated aim, consecutive inclusion of patients, appropriate results regarding the aim of the study, appropriate follow-up regarding the aim of the study, losses during follow-up of less than 5%, and adequate statistical analysis. Five studies were found to have an unclear risk of bias for the following items: prospective calculation of the study size, control group, contemporary groups, and equivalence in the basic characteristics of the groups (Figure 2A, B).
Figure. 2.
(A) Risks of bias in the studies. (B) Risks of bias within the studies.
5. Family Functionality and Depression
Fourteen studies evaluated family function and depression as the primary outcome. However, only four studies had sufficient data to analyze the ORs and the corresponding 95% CIs to perform a meta-analysis [14,15,20,21]. An OR of 3.72 (95% CI, 2.70 to 5.12; I2 =24%) was found, showing that family dysfunction and depression are associated (Figure 3).
Figure. 3.
Meta-analysis of the association between family dysfunction and depression. IV, inverse variance; CI, confidence interval.
DISCUSSION
1. Summary
Ten studies were selected for a qualitative synthesis and four for a meta-analysis, with an OR of 3.72 (95% CI, 2.70 to 5.12), low heterogeneity, and a low risk of bias for the selected studies.
2. Comparison with Existing Literature
1) Effect of individuals’ age and family dysfunction on risk for depression
Reduced family cohesion, as valued by parents, was associated with psychiatric symptoms in adolescents. Adolescents between 12 and 14 years of age in families with low levels of cohesion and control showed depressive symptoms at a higher frequency [16]. Among the adolescent population, women with poor family perceptions were more likely to be diagnosed with depression or have depressive symptoms, with an exponential correlation to greater deterioration of family function [17,22].
In institutionalized older adults (OAs) [14], family dysfunction has been linked to depressive symptoms. In this context, OAs with familial dysfunction have a 5.36-fold higher risk of experiencing depressive symptoms (95% CI, 3.03–9.5) than individuals of similar ages with good family function [21]. Other variables associated with family functionality may behave as confounding factors when predicting an individual’s depression risk, such as the family typology. However, when disaggregating this variable in a study in OAs that initially showed no association, the results obtained were consistent with those of other studies already mentioned for this age group; meaning that family dysfunction, in terms of its typology, was a risk factor for depression regardless of the family structure [20].
2) Effect of gender on individuals with family dysfunction and risk for depression
Women with family dysfunction showed a higher prevalence of depressive symptoms during a family medicine consultation regardless of their age; for women between ages 20 and 39 years, the estimated risk is 4.5 times higher than for those with a better perception of family functionality (95% CI, 2.2–9.4), while for women in the age group between 40 and 59 years, the risk is 1.4 times higher (95% CI, 0.7–2.9) [15]. However, family dysfunction is a known risk factor with a greater association among younger individuals [15,17,22].
Motherhood is a social role for women. Mothers of premature infants showed a slightly higher prevalence of depressive symptoms, with a significantly higher association in combination with low family functionality, which is an independent factor related to maternal depressive symptoms [25].
3) Effect of social vulnerability on individuals with family dysfunction and risk for depression
Social vulnerability is determined by various physical, social, economic, and environmental factors that increase one’s susceptibility to anticipating, facing, resisting, and recovering from the impacts of a natural hazard [28]. Migration is a multifactorial social phenomenon [29]; family dysfunction is a risk factor found in populations with this background. A 3-year follow-up of Asian immigrant women revealed a positive screening for depression in those who had family dysfunction. Likewise, patients with impaired family function had higher baseline depression scores compared to those who reported adequate family function [19]. Findings among OAs regarding family dysfunction and depression have already been pointed out. Institutionalization is sometimes the result of an OA’s inability to meet the specific needs of their life cycle; therefore, it can generally be considered a social vulnerability factor [30]. The relationship between social vulnerability and older adulthood increases the probability of presenting with depressive symptoms [14]. In North Korean refugees, emotional support and family ties were considered a determining factor linked to the onset of depressive symptoms; similarly, family cohesion has direct and indirect effects on North Korean refugees [23]. Family dysfunction in some socially vulnerable populations can be a predictor of severe depression. The prevalence of severe depression among grieving parents who were evaluated 18 months after suffering the loss of their children to the Sichuan earthquake of 2008 was higher among those who reported family dysfunction [24]. Through a Pearson’s correlation analysis, Cao et al. [24] showed that positive family function was significantly related to less severe depression (r=-0.46, P<0.001). The more positive the family function, the less severe the depression was as perceived by the grieving parents [24].
4) Effect of chronic diseases on individuals with family dysfunction and risk of depression
Having one or more chronic conditions increases the likelihood of presenting with depressive symptoms [18,27]. In people with chronic diseases, adequate family support explained the variance in scores obtained on using the scales used for screening for depression. In this sense, adequate family support is considered a protective factor against depressive symptoms, with a greater association found among women than in men [18].
The analysis of the study by Wang et al. [27] indicates a negative correlation when obtaining lower Family APGAR scores in patients on renal replacement therapy using hemodialysis.
We can affirm that there is an interaction between gender and family satisfaction for the risk of depression in people with diseases.
3. Strengths and Limitations
To the best of our knowledge, this is the first systematic review and meta-analysis that shows the relationship between family dysfunction (evaluated through the FACES III and Family APGAR) and depression. A strict protocol was carried out following the international recommendations for conducting systematic reviews and meta-analyses.
The use of screening scales instead of diagnostic scales for depression in some of the studies is one of the limitations of the present work that should be considered in future research. This meta-analysis could not examine relationships with family functionality in other life cycles.
4. Implications for Practice
Family dysfunction and depression are multifactorial conditions that require a comprehensive assessment by a primary care physician. It is therefore pertinent to carry out future research involving family functionality to evaluate outcomes regarding depression and other affective symptoms.
5. Conclusions
The present study found that there is an association between family dysfunction and depression. It was only possible to find a bidirectional relationship between family function and depression in one of the studies [19]. Additionally, being a woman, being a teenager or older adult, having social vulnerability, and having a chronic disease were significantly associated with depression.
The present study highlights the multifactorial nature of the outcome of family dysfunction. This is evident in the subgroup evaluation that was performed for some of the studies; therefore, it is important to mention that when the results are discriminated according to other aspects that allow a better characterization of the individual (gender, age, or social vulnerability), the strength of association can change.
Appendix 1.
Search strategies
MEDLINE (Ovid)
1. (Famil* adj2 dysfunction*).mp
2. (family dysfunction).mp
3. (Famil* adj2 $function).mp
4. (family adaptation).mp
5. (famil* adj2 adaptation*).mp
6. (parental adj2 $function).mp.
7. (famil* adj2 relation*).mp.
8. (famil* adj2 conflict*).mp
9. (famil* adj2 apgar*).mp
10. or/
11. depres*.mp
12. exp depression
13. depressive disorder (Mesh term)
14. Depressive Disorder, Major (Mesh term)
15. Dysthymic Disorder (Mesh term)
16. (Depressive adj2 disorder*).mp
17. or/
18. exp cohort studies
19. (cohort* adj2 stud*).mp
20. exp case-control studies
21. (case* control stud*).mp
22. cross-sectional studies (mesh term)
23. (cross* sectional adj2 stud*).mp
24. or/
25. 10 and 17 and 24
EMBASE
1. (famil* NEAR/2 dysfunction*):ti,ab)
2. (famil* NEAR/2 function*):ti,ab)
3. (famil* NEAR/2 adaptation):ti,ab)
4. (parental NEAR/2 $function):ti,ab)
5. (famil* NEAR/2 relation*):ti,ab)
6. (famil* NEAR/2 apgar*):ti,ab)
7. or/
8. ‘depression’/exp
9. (depression:ti,ab
10. (dysthymia:ti,ab
11. ‘dysthymia’/exp
12. or/
13. ‘cohort analysis’/exp
14. (cohort NEXT/2 stud*):ti,ab)
15. ‘case control study’/exp
16. case*control:ti,ab
17. ‘cross-sectional study’/exp
18. (cross* section*:ti,ab
19. or
20. 7 and 12 and 19
Footnotes
No potential conflict of interest relevant to this article was reported.
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