Abstract
Purpose
The COVID-19 pandemic has brought significant distress on not only the physical health but also mental health of individuals. The present study investigated the direct and indirect effects from COVID-19 distress to suicidality via psychosocial and financial well-being among young people.
Methods
This cross-sectional survey recruited 1472 Hong Kong young people via random sampling in 2021. The respondents completed a phone survey on COVID-19 distress, the four-item Patient Health Questionnaire and items on social well-being, financial well-being, and suicidality. Structural equation modeling (SEM) was conducted to examine the direct and indirect effects of COVID-19 distress on suicidality via psychosocial and financial well-being.
Results
The direct effect of COVID-19 distress on suicidality was not significant (β = 0.022, 95% CI − 0.097–0.156). The total indirect effect from COVID-19 distress to suicidality was significant and positive (αβγ = 0.150, 95% CI = 0.085–0.245) and accounted for 87% of the total effect (B = 0.172, 95% CI = 0.043–0.341). There were significant specific indirect effects via social well-being and psychological distress, and financial well-being and psychological distress.
Conclusion
The present findings support different pathways from COVID-19 distress to suicidality via functioning in different domains among young people in Hong Kong. Measures are needed to ameliorate the impact on their social and financial well-being to reduce their psychological distress and suicidality.
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Introduction
Since the onset of the COVID-19 pandemic, there have been widespread concerns about its effects on suicidality [1, 2]. In a previous meta-analysis of 54 studies among 308,596 individuals [1], the results showed increased event rates for suicide ideation (10.81%), suicide attempts (4.68%), and self-harm (9.63%) during the COVID-19 pandemic compared to pre-pandemic studies. A recent longitudinal study examined the mental health trajectories during the first 6 weeks of pandemic lockdown in 3,077 UK adults and found an increased incidence of suicidal ideation among young adults [3]. In contrast, another longitudinal study found no difference in the prevalence of suicidal ideation among 1,103 adults in Spain between the pre-lockdown period (June 17, 2019 to March 14, 2020) and the pandemic lockdown period (May 21, 2020 to June 30, 2020) [4]. In Hong Kong, though the suicide rate slightly decreased from 13.4 (per 100,000) in 2019 to 12.1 (per 100,000) in 2020 [5], a rebound of the suicidal rate was observed in 2021. Specifically, there has been a surge of youth suicide cases amid pandemic. The Coroner's Court reported a suicide rate of 1.7 (per 100,000) for youth in 2021, reaching a historical high. In fact, young adults (especially students) reported to have severe mental disorders during the pandemic, while most of them feel stressful dealing with academic challenges and future job prospects [6]. A research conducted during COVID-19 on young adults found an association between suicidal thoughts and perceived support from family, friends, or school [7]. Owing to the equivocal nature of the evidences, more empirical studies are required to clarify the effects of COVID-19 on suicidality in young adults.
Deterioration in psychosocial and financial well-being associated with the COVID-19 pandemic may exacerbate the suicide risks [1, 2]. Specifically, suicidal ideation or behaviors during the COVID-19 have been associated with various social factors (loneliness and living alone), psychological factors (anxiety, depression, and insomnia), and financialFootnote 1 factors (financial strain, housing instability, and unemployment) in recent studies [8,9,10,11]. Findings from a systematic review identified the prevalence of stress, anxiety, and depression as a result of the pandemic to be 29.6%, 31.9%, and 33.7%, respectively [12]. For instance, isolation and quarantine may impose negative effects on people’s mental health [13]. There is increasing evidence that heightened feelings of loneliness could influence psychological problems during the COVID-19 pandemic [14, 15]. For instance, loneliness was correlated with depression, anxiety, and post-traumatic stress disorder in a cross-sectional survey of the Spanish population [16]. In addition, people who perceived themselves as having low social support were at high risk of developing psychiatric disorders. In a study of US citizens, stay-at-home order status was associated indirectly with suicide risk through thwarted belongingness [15], reflecting both loneliness and lack of social support [17].
The unique combination of economic and social impacts resulting from the COVID-19 pandemic has aggravated the occurrence of suicidal ideation and behavior [15, 18, 19], though specific impacts of financial hardship remain undetermined. Research found that continued insufficiency in income especially among low-income individuals during the pandemic has affected their mental health and life satisfaction [20]. Similarly, Stevenson, Wakefield [21] found that COVID-19-related financial distress predicted negative psychological outcomes (loneliness, anxiety, and depression) which in turn were associated with greater suicidal risks. The findings replicate the pernicious effect of financial stress on mental health across different age groups and national contexts, including Hong Kong, in previous research [22,23,24,25]. In addition, these studies have shown that deterioration in financial well-being is related to suicidal thoughts/behavior via these psychological variables. The above findings suggest that deterioration in psychosocial and financial well-being may mediate the association between COVID-19 distress and suicidality. The pathways by which COVID-19 distress leads to suicidality are complex and are currently not well understood. To the best of our knowledge, no empirical studies have simultaneously evaluated these indirect effects in a multivariate model. Structural equation modeling is a latent variable modeling technique that allows rigorous examination of the inter-relationships among COVID-19 distress, suicidality, and well-being in different domains.
In light of the research gaps, the first objective of the present study was to examine the relationships between COVID-19 distress and suicidality in a large sample of young adults in Hong Kong. The second objective of the study aimed to evaluate the potential mediating role of social well-being, financial well-being, and psychological distress in the relationship between COVID-19 distress and suicidality. The third objective of the study was to compare the indirect effects using social well-being, financial well-being, and psychological distress as different mediators between COVID-19 distress and suicidality. There were three hypotheses in this study relating to youth and young adults (18–36 years). In Hypothesis 1, COVID-19 distress would be significantly and negatively associated with suicidality. In Hypothesis 2, both social and financial well-being as well as psychological distress would mediate the effect of COVID-19 distress on suicidality. In Hypothesis 3, COVID-19 distress would be significantly and negatively associated with social well-being, financial well-being while positively associated with psychological distress. It is hoped that this study provides empirical findings for policy makers to prevent suicide during large-scale epidemics.
Materials and methods
Study design and procedures
The present study was cross-sectional in nature and recruited a large sample of young people via random sampling in a telephone survey. The inclusion criteria were an age between 18 and 36 years old, residence in Hong Kong, and an ability to understand spoken Cantonese. A random sample of 125,746 mobile phone numbers was generated using mobile number prefixes that were published by the Office of the Communications Authority in Hong Kong. The telephone survey was administered by the Social Science Research Centre in the University of Hong Kong. The potential respondents were contacted by interviewers using the computer-aided telephone interviewing system from 6:30 to 10:30 pm on weekdays. The telephone interviewers were fluent in Cantonese and received prior trainings for conducting the interviews. The participants provided oral informed consent before completing an interview on a self-report questionnaire in around 5 min. Participation in the survey was strictly voluntary and all information provided by the participants was kept entirely confidential. Contact information of local community resources was provided to the respondents if they felt distressed anytime during the interview. Ethical approval for this project was obtained from the Human Research Ethics Committee of the University of Hong Kong prior (Reference number: EA1709039).
Participants
The telephone survey was conducted between 2nd August and 17th December 2021 and successfully completed 1,501 interviews. The overall response rate of the phone survey was 68.9% with 544 refusals by respondents and 132 uncompleted interviews. A total of 29 participants were aged below 18 years old and were excluded in the present study. The final sample of 1472 respondents consisted of 762 males and 710 females with a mean age of 26.3 years (SD = 3.8). Half of them belonged to young adults (50.7%) with an age of 26 to 36 years and the other half belonged to youths (49.3%) with an age of 18 to 25 years. The majority of the sample attained tertiary education level (92.4%) and were working (82.3%). The respondents showed an average level of COVID-19 distress (Mean = 2.83, SD = 1.21). Nearly one-third (29.7%) of the respondents perceived the COVID-19 distress to be severe or very severe. Half (51.6%) of the respondents encountered distressing issues or life difficulties in the past 4 weeks. The questionnaire also consisted of items on social well-being, financial well-being, psychological distress, and suicidality.
Measures
COVID-19 distress
COVID-19 distress was evaluated by a single item “To what extent have you been distressed by the COVID-19 pandemic?” on a five-point Likert format from 1 = “not at all” to 5 = “severe distress”.
Social well-being
Social well-being was measured by three self-constructed items that inquired the levels of well-being of the respondents in the social life with classmates or colleagues or friends, with spouse or partner, and with family members over the past 4 weeks. The items were answered on a five-point Likert format from 0 = “severe distress” to 4 = “no interference at all”. In the present sample, the three-item self-constructed instrument on social well-being showed satisfactory composite reliability (ω = 0.76).
Financial well-being
The Financial Well-Being (FWB) Scale was developed by the Consumer Financial Protection Bureau in the United States. This scale was a validated ten-item measure of respondents’ sense of financial situation over the past 4 weeks [26] and have been adopted in the Chinese context [27]. Because of practical constraint in administering the telephone interviews, the present study assessed financial well-being via a random subset of three items from the FWB Scale. Example items were “I am just getting by financially” and “I am concerned that the money I have or will save won’t last”. The items were answered on a five-point Likert format from 0 = “describes me completely” to 4 = “does not describe me at all”. The three-item shortened version of the FWB Scale showed satisfactory composite reliability (ω = 0.78) in the present sample.
Psychological distress
Psychological distress was evaluated using the brief four-item Patient Health Questionnaire (PHQ-4) [28]. This scale combines the PHQ-2 with the two items from the Generalized Anxiety Disorder Scale as a measure of anxiety and depressive symptoms over the past 2 weeks. Example items are “feeling down, depressed or hopeless”, and “feeling nervous, anxious or on edge”. The items were answered on a four-point Likert format from 0 = “not at all” to 3 = “nearly every day”. The PHQ-4 has been validated in the Chinese context [29]. The composite score has a theoretical range from 0 to 12, with higher scores denoting greater degrees of psychological distress. In the present sample, the PHQ-4 showed good composite reliability (ω = 0.80).
Suicidality
Suicidality was assessed by three binary items on suicide ideation, suicide attempt, and deliberate self-harm. The respondents were asked whether they have considered suicide, attempted suicide, or injured themselves intentionally in the past 12 weeks.
Statistical analysis
Preliminary item screening found that most of the items on social well-being, financial well-being, and psychological distress displayed substantial floor effects, with 30.4–62.4% of the respondents endorsing the minimum category. Given the deviation from normal distribution, the ten items were treated as ordinal categorical items together with the three binary items on suicidality [30]. The descriptive statistics and polychoric correlations of the main study variables were obtained via preliminary analysis. Missing data were minimal in the dataset except for the partner distress item, where 23% of the respondents (N = 340) did not answer because of a lack of spouse or partner. Missing data were handled using full information maximum likelihood under the missing-at-random assumption [31]. The data analyzed in this manuscript are available in this paper in the form of a supplementary file.
Factorial and construct validity of the measurement scales were evaluated by confirmatory factor analysis (CFA). The 13 items on social well-being, financial well-being, psychological distress, and suicidality were analyzed in a 4-factor CFA model under the robust weighted least square estimator in Mplus 8.4 [32]. Problematic items that did not load substantially (λ < 0.50) on the factor would be removed from the CFA model [33]. Model fit was appraised based on the following criteria on the fit indices [34]: comparative fit index (CFI) ≥ 0.95, Tucker–Lewis index (TLI) ≥ 0.95, root mean square error of approximation (RMSEA) ≤ 0.06, and standardized root mean square residuals (SRMR) ≤ 0.06. Residual covariance was added between two PHQ-4 items in the CFA model based on theoretical justifications. Composite reliability of the latent factors was evaluated via McDonald Omega (ω) with values of at least 0.75 indicating good reliability. The inter-factor correlations in the CFA model were obtained as a preliminary inspection of the relationships among the study variables. Statistical significance was set at the 0.05 in the present study.
Structural equation modeling (SEM) was conducted to evaluate the direct and indirect effects of COVID-19 distress on suicidality via social well-being, financial well-being, and psychological distress under the robust weighted least square estimator. The COVID-19 distress and latent factor of suicidality were the primary predictor and outcome variable in the model, respectively. The latent factors of social and financial well-being were posited as parallel mediators followed by psychological distress as a sequential mediator and all three latent factors were measured by their observed items. The SEM model included the following variables as the control variables: gender, age, working status, and presence/absence of distressing issues in the past 4 weeks.
The model estimated the direct and indirect effects of COVID-19 distress on suicidality via different pathways of well-being. The total indirect effect was decomposed into specific indirect effects via social well-being, financial well-being, and psychological distress. To account for the likely skewed distribution, the indirect effects were estimated using 10,000 bootstrap draws. The estimated effects were regarded as statistically significant if the 95% confidence interval (CI) excluded zero. R-square denoted the proportion of explained variance of the dependent variables. Sensitivity analysis was performed by estimating the SEM model across gender groups (males and females) and age groups (youths and young adults).
Results
Sample profiles and item correlations
Table 1 reports the descriptive statistics and polychoric correlations of the measurement items in the sample. They reported moderate levels of social and financial well-being and an average total PHQ-4 score of 2.72 (SD = 2.42). The proportion of respondents with suicidal ideation, suicide attempt, and deliberate self-harm was 10.1%, 1%, and 4.1%, respectively. COVID-19 distress was significantly and negatively correlated with the items on social and financial well-being (r = − 0.13 to − 0.27, p < 0.01) and was significantly and positively correlated with the measurement items on psychological distress and suicidality (r = 0.10–0.20, p < 0.01) except for suicide attempt (r = 0.11, p = 0.14). Moderate to strong inter-item correlations were found among the measurement items for social well-being (r = 0.49–0.57, p < 0.01), financial well-being (r = 0.47–0.56, p < 0.01), psychological distress (r = 0.43–0.73, p < 0.01), and suicidality (r = 0.70–0.71, p < 0.01).
CFA model results
As Table 2 shows, the four-factor CFA model provided an acceptable approximate fit to the data with CFI and TLI > 0.95, and RMSEA and SRMR < 0.06. Addition of the residual covariance (r = 0.42, p < 0.01) between the two PHQ-4 items on anxiety symptoms significantly improved the model fit of the CFA model (Δχ2 = 54.6, df = 1, p < 0.01). All factor loadings were found to be significant and substantial (λ = 0.64–0.86, p < 0.01). Social and financial well-being were negatively and moderately correlated with psychological distress and suicidality (r = − 0.39 to − 0.57, p < 0.01). There was a positive and moderate correlation between social and financial well-being (r = 0.51, p < 0.01) and a positive and strong correlation between psychological distress and suicidality (r = 0.70, p < 0.01).
SEM model results
As Table 2 shows, the SEM model provided an adequate fit to the data with CFI and TLI ≥ 0.95, and RMSEA and SRMR < 0.06. Figure 1 depicts the unstandardized path coefficients from COVID-19 distress to suicidality via social well-being, financial well-being, and psychological distress in the model. In the SEM model, all of the factor loadings were significant and substantial (λ = 0.64–0.89, p < 0.01). Female respondents were significantly associated with higher levels of social well-being, financial well-being, and psychological distress (β = 0.16 to 0.24, p < 0.01) but not COVID-19 distress and suicidality (p = 0.16–0.78). Age was not significantly associated with any of the main study variables (p = 0.13–0.88). Working status was significantly associated with better financial well-being (β = 0.26, p < 0.01) but not with other variables (p = 0.17 – 0.72). Respondents with recent distressing issues were significantly associated with lower levels of social and financial well-being (β = − 0.32 to -0.51, p < 0.01) and higher levels of COVID-19 distress and psychological distress (β = 0.35 to 1.00, p < 0.01).
COVID-19 distress significantly and negatively predicted social and financial well-being (β = − 0.16 to − 0.23, p < 0.01) but not psychological distress (β = 0.02, p = 0.64). Both social and financial well-being negatively predicted psychological distress (β = − 0.16 to -0.48, p < 0.01). Suicidality was negatively linked with social well-being (β = − 0.34, p < 0.05) and positively linked with psychological distress (β = 0.58, p < 0.01) but not financial distress (β = − 0.08, p = 0.45). The model explained 11.8%, 11.2%, 45.2%, and 56.9% of the variance of latent factors of social well-being, financial well-being, psychological distress, and suicidality, respectively. Sensitivity analysis revealed similar results consistent patterns of results across gender groups (males and females) and age groups (youths and young adults).
Direct, indirect, and total effects of COVID-19 distress on suicidality
Table 3 lists the unstandardized direct, indirect, and total effects of COVID-19 distress on suicidality via the mediators in the SEM model. COVID-19 distress did not show a significant direct effect on suicidality (B = 0.022, 95% CI = − 0.097 to 0.156). The total indirect effect from COVID-19 distress to suicidality via the mediators was significant and positive (αβγ = 0.150, 95% CI = 0.085–0.245), accounting for 87.2% of the total effect (B = 0.172, 95% CI = 0.043–0.341). Three of the five specific indirect effects were found to be statistically significant: (1) via social well-being only (red paths); (2) via social well-being and psychological distress (red + green paths); and ( 3) via financial well-being and psychological distress (blue + green paths). The total indirect effect from COVID-19 to suicidality was significant via social well-being (αβγ = 0.102, 95% CI = 0.053 to 0.177) but not via financial well-being (αβγ = 0.039, 95% CI = − 0.006 to 0.095).
Discussion
This study aimed to explore the relationship between COVID-19 distress, social and financial well-being, psychological distress, and suicidality among young people. The CFA results supported adequate construct validity and reliability for the four latent factors. Despite the significant and positive total effect, our SEM results did not find COVID-19 distress to be directly associated with suicidality. COVID-19 distress showed significant indirect effects on suicidality through social well-being, financial well-being, and PHQ-4. To our knowledge, our study was the first to simultaneously investigate the mediating role of social and financial well-being in the relationship between COVID-19 distress and suicidality.
Our results showed that COVID-19 distress was significantly and negatively associated with social well-being and financial well-being. Also, COVID-19 distress was significantly and positively associated with psychological distress. Recent literature has pointed out that the pandemic had adverse effects on the economy, social, and psychological well-being of people [35]. Our findings provided evidence that the pandemic could create financial, social, and psychological distress for young people in Hong Kong. On the other hand, our findings did not find COVID-19 distress to be directly associated with suicidality. In fact, existing literature of suicidal behaviors during emerging viral disease outbreaks, including COVID-19, were relatively scarce [36]. No strong evidence has supported a direct relationship between COVID-19 and suicidality.
Although no direct relationship was found between COVID-19 distress and suicidality, the present study identified a number of mediators. Previous research suggested that psychosocial effect of the pandemic was a main risk factor for suicidal behaviors [36]. Our findings provided evidence that the relationship between COVID-19 distress and suicidality was mediated by social and psychological well-being. Individuals who were distressed by the pandemic were more likely to experience social distress, which made them more susceptible to suicidal ideation or suicide attempt. In Hong Kong, various social distancing measures such as compulsory quarantine, active surveillance, and contact tracing have been implemented for an extended period of time. In line with previous linkage between social distress and psychological distress [37,38,39], these social distancing measures are likely to result in social isolation and loneliness, which in turn contribute to suicidal thoughts and behavior [40, 41]. Our findings revealed that higher COVID-19 distress was indirectly associated with higher levels of suicidality via lower social well-being and higher psychological distress sequentially.
In addition, our findings suggested higher levels of COVID-19 distress were indirectly associated with higher levels of suicidality via lower financial well-being and increased psychological distress sequentially. This result is consistent with previous findings where COVID-19-related financial distress predicted negative psychological outcomes and suicidal thoughts/behavior [21]. The pandemic brought global employment problems and also changes in the labor market. Lower skilled workers from the retail, accommodation, food services, and tourism industries faced high risks of unemployment [42]. In addition, there were extra costs of living during the COVID-19 pandemic in terms of acquiring a list of protective equipment such as N95 face masks, face shields, medical gloves, and personal hygiene necessities such as disinfectant, alcohol, and hand sanitizers. The financial cost was especially higher given the shortage of supplies during the first few waves of COVID-19 outbreaks [43]. It is not uncommon for financially vulnerable individuals to suffer from depression and anxiety especially among the low-income group [42].
The COVID-19 pandemic imposed a significant distress on people’s daily life. The study findings offer insights onto the relationship between COVID-19 distress and suicidality. Our results suggest that measures to improve social and financial well-being may reduce psychological distress and suicidality. There are important implications for policies and community interventions to promote mental health and suicide prevention under large-scale epidemics. Policies that could help reduce social and financial distress of young people should be implemented, monetary support especially to the low-income group would be conducive in maintaining the mental health of the young adults. As the pandemic continues to be stabilized, it is important for the governments to gradually relax the social distancing measures in the process toward resumption of normal life routine. The unemployment rate among the young adults is especially high during the COVID-19 due to the unfavorable economic condition (Office of the Government Economist, 2021). Subsidies and job opportunities may be provided to young adults who are financially vulnerable.
The present study was subject to a number of limitations. First, the present study measured respondents’ suicidality over a longer timeframe of 12 weeks than the assessment timeframe (2–4 weeks) of social well-being, financial well-being, and psychological distress. There might as well be reciprocal effects from suicidality measures to the recent well-being measures. Given the cross-sectional design, the present study could not infer causal directions from the findings among the study variables. Suicidality measures should be assessed across different time points as in Wu et al. [44]. Further longitudinal studies with repeated assessments are needed to track the changes in various domains of well-being of the respondents and their temporal associations with suicidality measures over different phases of the COVID-19 pandemic. Second, despite the random sampling through the phone survey, participants self-selected to participate in the survey and there was potential selection and response bias. It was theoretically plausible that the more distressed individuals were more inclined to take part in the survey.
Third, the present study measured COVID-19 distress using only a single item and could not account for the reliability of this predictor. Future research could adopt validated pandemic-specific distress scales such as the Fear of COVID-19 Scale [45] and Coronavirus Anxiety Scale [46] to examine pandemic-specific psychological responses. Similarly, the present study only assessed financial well-being via three out of the ten items from the Financial Well-Being Scale. Despite the good reliability for the three-item shortened version, the shortened version might not adequately assess the financial well-being as compared to the original ten-item version. Such a discrepancy could plausibly explain the lesser mediating role for financial well-being than social well-being in the SEM model. Fourth, this study evaluated the COVID-19 distress on suicidality among a large sample of young adults in Hong Kong aged 18 to 36 years. Cautions are warranted in generalizing the results to other age groups and cultural contexts. Future studies are needed to examine the effect of COVID-19 distress on suicidality in samples of adolescents and older adults.
Fifth, history of mental disorders, concerns over COVID-19, and positive diagnosis of COVID-19 have been associated with suicidal ideation or behaviors during the COVID-19 [9, 47]. Since the present study did not include assessments on these factors, this could introduce omitted variable and confounding biases to the results. Last but not least, our SEM model only explained less than 10% of the variances of social well-being and financial well-being in the Hong Kong adults under COVID-19. This suggests the need of including other relevant variables such as quarantine experience, social isolation, and lifestyle factors to enhance the explanatory power of the model.
Data availability
The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
Notes
FWB = financial well-being; PHQ = Patient Health Questionnaire; CFA = confirmatory factor analysis; CFI = comparative fit index; TLI = Tucker–Lewis index,
RMSEA = root mean square error of approximation, SRMR = standardized root mean square residuals; SEM = structural equation modeling; CI = confidence interval.
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Acknowledgements
The authors would like to thank the members at The Hong Kong Jockey Club Centre for Suicide Research and Prevention, The University of Hong Kong for various roles such as project coordination, data cleaning, and fruitful discussions of the results. We would like to express our gratitude to the Social Science Research Centre for their help in data collection and all respondents for their participation in the phone survey.
Funding
This study was supported by the Hong Kong Jockey Club Charities Trust for the OpenUp online emotional support program, the General Research Fund grants (GRF/HKU 17606521, 17608522), and a Collaborative Research Fund (C7151-20G) of the Research Grants Council. The funding organization had no role in the study design, collection, analysis, and interpretation of data, or the writing of the manuscript.
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Wendy So: Conceptualization, Methodology, Investigation, Writing – original draft. Ted Fong: Conceptualization, Methodology, Software, Formal analysis, Data Curation, Writing – original draft, Visualization. Bowie Woo: Investigation, Writing – original draft, Project administration. Paul Yip: Conceptualization, Validation, Resources, Writing – review & editing, Supervision, Funding acquisition.
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So, W.W.Y., Fong, T.C.T., Woo, B.P.Y. et al. Psychosocial and financial well-being mediated the effects of COVID-19 distress on suicidality: a serial mediation model among Hong Kong young adults. Soc Psychiatry Psychiatr Epidemiol 59, 165–174 (2024). https://doi.org/10.1007/s00127-023-02501-4
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DOI: https://doi.org/10.1007/s00127-023-02501-4