Impact of a guaranteed annual income program on Canadian seniors' physical, mental and functional health

An examination of health care efficiency in Canada: a two-stage semi-parametric approach

Using data envelopment analysis, we examine the efficiency of Canada's universal health care system by considering a set of labour (physicians) and capital (beds) inputs, which produce a level of care (measured in terms of health quality and quantity) in a given region. Data from 2013-2015 were collected from the Canadian Institute for Health Information regarding inputs and from the Canadian Community Health Survey and Statistics Canada regarding our output variables, health utility (quality) and life expectancy (quantity). We posit that variation in efficiency scores across Canada is the result of regional heterogeneity regarding socioeconomic and demographic disparities. Regressing efficiency scores on such covariates suggests that regional unemployment and an older population are quite impactful and associated with less efficient health care production. Moreover, regional variation indicates the Atlantic provinces (Newfoundland, Prince Edward Island, Nova Scotia, New Brunswick) are quite inefficient, have poorer economic prospects, and tend to have an older population than the rest of Canada. Oaxaca-Blinder decompositions suggest that the latter two factors explain about one-third of this efficiency gap. Based on our two-stage semi-parametric analysis, we recommend Canada adjust their transfer payments to reflect these disparities, thereby potentially reducing inequality in regional efficiency.

A "food insecurity poverty line" to replace the official threshold in Canadian rural and urban settings? A single-person household perspective

Household food insecurity is associated with both low income and high cost of living, it is a potentially better measure for consumption compared to income. We use data on food insecurity and income from 10 years of the Canadian Community Health Survey (2007-2017) of single-person households (n = 145,044) to estimate the probability of being food insecure at the Canadian poverty thresholds (Market Basket Measure thresholds, or MBMs), and determine the income required to reach that probability in each MBM region, aggregated by province and rural/urban status. A regression model shows the probability of being food insecure at the MBM is approximately 30% which we call the Food Insecurity Poverty Line (FIPL). The income required to meet the FIPL is substantially different from the MBM, sometimes 1.25 times the MBM. This implies that food insecurity is a potential sentinel measure for poverty.

Effects of guaranteed basic income interventions on poverty-related outcomes in high-income countries: A systematic review and meta-analysis

Background

High-income countries offer social assistance (welfare) programs to help alleviate poverty for people with little or no income. These programs have become increasingly conditional and stringent in recent decades based on the premise that transitioning people from government support to paid work will improve their circumstances. However, many people end up with low-paying and precarious jobs that may cause more poverty because they lose benefits such as housing subsidies and health and dental insurance, while incurring job-related expenses. Conditional assistance programs are also expensive to administer and cause stigma. A guaranteed basic income (GBI) has been proposed as a more effective approach for alleviating poverty, and several experiments have been conducted in high-income countries to investigate whether GBI leads to improved outcomes compared to existing social programs.

Objectives

The aim of this review was to conduct a synthesis of quantitative evidence on GBI interventions in high-income countries, to compare the effectiveness of various types of GBI versus "usual care" (including existing social assistance programs) in improving poverty-related outcomes.

Search Methods

Searches of 16 academic databases were conducted in May 2022, using both keywords and database-specific controlled vocabulary, without limits or restrictions on language or date. Sources of gray literature (conference, governmental, and institutional websites) were searched in September 2022. We also searched reference lists of review articles, citations of included articles, and tables of contents of relevant journals in September 2022. Hand searching for recent publications was conducted until December 2022.

Selection Criteria

We included all quantitative study designs except cross-sectional (at one timepoint), with or without control groups. We included studies in high income countries with any population and with interventions meeting our criteria for GBI: unconditional, with regular payments in cash (not in-kind) that were fixed or predictable in amount. Although two primary outcomes of interest were selected a priori (food insecurity, and poverty level assessed using official, national, or international measures), we did not screen studies on the basis of reported outcomes because it was not possible to define all potentially relevant poverty-related outcomes in advance.

Data Collection and Analysis

We followed the Campbell Collaboration conduct and reporting guidelines to ensure a rigorous methodology. The risk of bias was assessed across seven domains: confounding, selection, attrition, motivation, implementation, measurement, and analysis/reporting. We conducted meta-analyses where results could be combined; otherwise, we presented the results in tables. We reported effect estimates as standard mean differences (SMDs) if the included studies reported them or provided sufficient data for us to calculate them. To compare the effects of different types of interventions, we developed a GBI typology based on the characteristics of experimental interventions as well as theoretical conceptualizations of GBI. Eligible poverty-related outcomes were classified into categories and sub-categories, to facilitate the synthesis of the individual findings. Because most of the included studies analyzed experiments conducted by other researchers, it was necessary to divide our analysis according to the "experiment" stage (i.e., design, recruitment, intervention, data collection) and the "study" stage (data analysis and reporting of results).

Main Results

Our searches yielded 24,476 records from databases and 80 from other sources. After screening by title and abstract, the full texts of 294 potentially eligible articles were retrieved and screened, resulting in 27 included studies on 10 experiments. Eight of the experiments were RCTs, one included both an RCT site and a "saturation" site, and one used a repeated cross-sectional design. The duration ranged from one to 5 years. The control groups in all 10 experiments received "usual care" (i.e., no GBI intervention). The total number of participants was unknown because some of the studies did not report exact sample sizes. Of the studies that did, the smallest had 138 participants and the largest had 8019. The risk of bias assessments found "some concerns" for at least one domain in all 27 studies and "high risk" for at least one domain in 25 studies. The risk of bias was assessed as high in 21 studies due to attrition and in 22 studies due to analysis and reporting bias. To compare the interventions, we developed a classification framework of five GBI types, four of which were implemented in the experiments, and one that is used in new experiments now underway. The included studies reported 176 poverty-related outcomes, including one pre-defined primary outcome: food insecurity. The second primary outcome (poverty level assessed using official, national, or international measures) was not reported in any of the included studies. We classified the reported outcomes into seven categories: food insecurity (as a category), economic/material, physical health, psychological/mental health, social, educational, and individual choice/agency. Food insecurity was reported in two studies, both showing improvements (SMD = -0.57, 95% CI: -0.65 to -0.49, and SMD = -0.41, 95% CI: -0.57 to -0.26) which were not pooled because of different study designs. We conducted meta-analyses on four secondary outcomes that were reported in more than one study: subjective financial well-being, self-rated overall physical health, self-rated life satisfaction, and self-rated mental distress. Improvements were reported, except for overall physical health or if the intervention was similar to existing social assistance. The results for the remaining 170 outcomes, each reported in only one study, were summarized in tables by category and subcategory. Adverse effects were reported in some studies, but only for specific subgroups of participants, and not consistently, so these results may have been due to chance.

Authors' Conclusions

The results of the included studies were difficult to synthesize because of the heterogeneity in the reported outcomes. This was due in part to poverty being multidimensional, so outcomes covered various aspects of life (economic, social, psychological, educational, agency, mental and physical health). Evidence from future studies would be easier to assess if outcomes were measured using more common, validated instruments. Based on our analysis of the included studies, a supplemental type of GBI (provided along with existing programs) may be effective in alleviating poverty-related outcomes. This approach may also be safer than a wholesale reform of existing social assistance approaches, which could have unintended consequences.

The association between allostatic load and guaranteed annual income using the Canadian Longitudinal Study on Aging: A cross-sectional analysis of the benefits of guaranteed public pensions

BACKGROUND

Old Age Security (OAS) represents an public policy through which income-related inequalities in health may be improved. The goal of this cross-sectional study was to investigate the health benefits of receiving OAS in financially insecure older Canadians.

METHODS

Using data from the Canadian Longitudinal Study on Aging (CLSA) (n=15,691), ordered logistic regression was used to measure associations between financial insecurity and allostatic load.

RESULTS

Receiving OAS as highest personal income source appeared to remove the health penalty of being financially insecure. While financial insecurity was associated with worse allostatic load in both males and females not receiving OAS, those receiving OAS as highest personal income source had better allostatic load compared to other financially insecure older adults (ORM: 0.398, 95 % CI: 0.227, 0.696; ORF: 0.677, 95 % CI: 0.483, 0.949).

DISCUSSION

While longitudinal data would be needed to draw causal inferences, these results suggest OAS may play a role improving health outcomes and narrowing income-related health inequalities. Such findings may have important implications on older adults, other vulnerable populations, and future directions of Canadian health and public policy.

Transitioning to a guaranteed annual income and the impact on activities of daily living in older adults: Evidence from public pensions in Canada using the CLSA

OBJECTIVE

Statistically model the likelihood of changes in the activities of daily living (ADLs) over time for three groups of older adults: those on a pension at all time periods, those never on a pension, and those who transition onto a public pension.

METHODS

Our study used data from the Canadian Longitudinal Study on Aging (CLSA), a large national survey. We used data from baseline (2010-2015) and the first follow-up wave (2015-2018). We used logistic regression to model the likelihood of ADL changes in males and females by pension receipt status, controlling for several potential confounders and allowing for the impact of public pensions to be modified by baseline income.

RESULTS

The magnitudes of the estimates indicated that those who transition to a public pension are less likely to report ADL degradation and more likely to report ADL improvement compared to those with no public pension. In the lowest baseline income group, those who transitioned onto a pension at follow-up had a 15% (male) or 11% (female) lower likelihood of reporting degraded ADL scores compared to those not receiving a pension at follow-up. Those who transitioned onto a pension in the lowest income group were more likely to report an improved ADL score at follow-up.

CONCLUSION

Our results could provide evidence for the potential health benefits of more comprehensive guaranteed annual income programs beyond the pension program. The penalty of being low-income was mitigated by the stability of the pension income in terms of ADL improvement or degradation.

The impact of employment loss on mentally unhealthy days among LGBTQ+ cancer survivors during the COVID-19 pandemic: Findings from the OUT National Survey

OBJECTIVE

Lesbian, Gay, Bisexual, Transgender, Queer, and all other sexual and gender minority (LGBTQ+) populations made up 7.1% of the US population in 2021. LGBTQ+ cancer survivors face a variety of economic and mental health disparities; however, the determinants of poor mental health among LGBTQ+ cancer survivors are understudied.

METHODS

This analysis utilized the OUT National Survey which consists of N = 2233 LGBTQ+ cancer survivors (complete cases). Multivariable negative binomial and logit regression models were used to generate predicted values, predicted probabilities, and average marginal effects (AME) to assess the association between COVID-19 related employment loss and mentally unhealthy days (MUDs) and frequent mental distress among LGBTQ+ cancer survivors. Predicted values and marginal effects were generated with interaction terms (demographics interacted with employment loss) to explore the heterogeneity of the effect of employment loss among LGBTQ+ sub-populations.

RESULTS

In bivariate analyses employment loss was associated with a higher number of MUDs (10.3, SD = 9.9 vs. 8.4, SD = 9.6; p-value<0.001) and frequent mental distress (34% vs. 26%; p-value = 0.001). AME from a multivariable negative binomial model revealed that employment loss was associated with 1.42 more MUDs (95%CI: 0.33-2.86). Demographic factors such as some sexual orientations, cis-female and non-binary gender, younger age, and a current cancer diagnosis were also associated with significant expected increases in the number of MUDs. When assessing the heterogeneity of the effect of employment loss some sub-populations experienced changes in the number of MUDs that pushed them over the threshold of frequent mental distress while others did not. Furthermore, identifying with multiple sexual orientations (AME: 0.19, 95%CI: 0.11-0.27), cis-female and non-binary genders (AME: 0.07, 95%CI: 0.2-0.12; AME: 0.18, 95%CI: 0.07-0.28), American Indian and Alaska Native race (AME: 0.17, 95%CI: 0.03-0.31), and a current cancer diagnosis (AME: 0.14, 95%CI: 0.09-0.19) were associated with an increase in the probability of experiencing frequent mental distress.

CONCLUSIONS

COVID-19 related employment loss negatively impacted the mental health of LGBTQ+ cancer survivors. LGBTQ+ specific supportive services as well as equity-based employment and income interventions are needed.

Prevalence and sociodemographic correlates of food insecurity among post-secondary students and non-students of similar age in Canada

BACKGROUND

The results of several recent campus-based studies indicate that over half of post-secondary students in Canada are food insecure, but the vulnerability of this group has not been considered in research on predictors of food insecurity in the Canadian population. Our objectives were to (1) compare the prevalence of food insecurity among post-secondary students and non-students of similar age; (2) examine the relationship between student status and food insecurity among young adults while accounting for sociodemographic characteristics; and (3) identify the sociodemographic characteristics associated with food insecurity among post-secondary students.

METHODS

Using data from the 2018 Canadian Income Survey, we identified 11,679 young adults aged 19-30 and classified them into full-time postsecondary students, part-time post-secondary students, and non-students. Food insecurity over the past 12 months was assessed with the 10-item Adult Scale from the Household Food Security Survey Module. Multivariable logistic regression analyses were used to estimate the odds of food insecurity by student status while accounting for sociodemographic characteristics, and to identify sociodemographic characteristics predictive of food insecurity among post-secondary students.

RESULTS

The prevalence of food insecurity was 15.0% among full-time postsecondary students, 16.2% among part-time students, and 19.2% among non-students. After adjusting for sociodemographic factors, full-time postsecondary students had 39% lower odds of being food insecure as compared to non-students (aOR 0.61, 95% CI 0.50-0.76). Among postsecondary students, those with children (aOR 1.93, 95%CI 1.10-3.40), those living in rented accommodation (aOR 1.60, 95%CI 1.08-2.37), and those in families reliant on social assistance (aOR 4.32, 95%CI 1.60-11.69) had higher adjusted odds of food insecurity, but having at least a Bachelor's degree appeared protective (aOR: 0.63, 95% CI 0.41-0.95). Every $5000 increase in adjusted after-tax family income was also associated with lower adjusted odds of food insecurity (aOR 0.88, 95%CI 0.84-0.92) among post-secondary students.

CONCLUSIONS

In this large, population-representative sample, we found that young adults who did not attend post-secondary school were more vulnerable to food insecurity, particularly severe food insecurity, than full-time post-secondary students in Canada. Our results highlight the need for research to identify effective policy interventions to reduce food insecurity among young, working-age adults in general.

How do housing asset and income relate to mortality? A population-based cohort study of 881220 older adults in Canada

OBJECTIVE

A growing body of research has documented a well-established link between socioeconomic conditions and mortality among older adults. This study aims to understand (a) whether housing assets and income are associated with mortality and (b) if the value of housing assets affects the relationship between income and mortality; both questions are studied among older adults aged 65 or over in Canada.

METHODS

Using the population-based linked dataset (2011 Canadian Census Health and Environment Cohorts) of 881,220 older adults over six years of follow-up (2011-2017), this study uses survival analysis to estimate the link between housing assets, income level and mortality. We also assess the potential moderating effect of housing asset levels on the association between income and mortality by categorizing individuals along two dimensions: whether they are income-poor and whether they are housing assets-poor.

RESULTS

The mortality rate was higher among both the lowest asset (HR = 1.346) and the lowest income group (HR = 1.203). The association is pronounced for older adults aged 65 to 74. Assets did not significantly moderate the link between income and mortality. Income-related inequalities in mortality are observed among each group of housing asset level. Compared to those who are neither income-poor nor housing assets-poor, individuals who were income poor but not housing assets-poor were more likely to die (HR = 1.067) over seven years of follow-up, and people who were housing assets-poor only were more likely to die (HR = 1.210). Being housing-assets poor and income-poor yielded a higher hazard ratio (HR = 1.291).

CONCLUSIONS

Housing assets and income are associated with mortality of older adults. It is important to identify people who are assets poor and/or income poor who are at higher risks of mortality. Social policies aimed at reducing income insecurity and housing insecurity can reduce mortality inequalities.

Does social pension buy improved mental health and mortality outcomes for senior citizens? Evidence from South Africa's 2008 pension reform

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The 2008 pension reform in South Africa improved access to healthcare.

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The 2008 pension reform improved mental health and 60-year-old deaths.

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The impact of the 2008 pension reform in averting 60-year-old deaths is higher in urban regions than rural regions.

In South Africa, men were traditionally eligible to receive government pensions at 65 years. However, that eligibility criterion was changed in 2008 to allow men to receive a pension payout at 60 years. This study is designed to quantify the impact of the 2008 pension reform on mental health outcomes (depression and traumatic stress) and deaths among 60-year-old men from disadvantaged households without advanced education. This analysis used secondary data issued by Statistic South Africa- General Household Survey. Men who reported earning a pension at 60 years from 2008 to 2014 were exposed to the 2008 pension reform and thus were classified as the treatment group. The 60-year-old men during 2002–2007 were ineligible to earn the pension, therefore considered the control group. We then used a Two-stage Least Squared Model (2SLS) to quantify the impact of the 2008 pension reform on healthcare utilization, depression cases, traumatic stress cases, and deaths among 60-year-old men. The model shows that the 2008 pension reform improved healthcare utilization by 3 % in the cohorts of men who benefitted from the 2008 reform. The 2008 pension reform averted depression cases, traumatic stress cases, and deaths among 60-year-old men by 3 %, 4 %, and 5 %, respectively. The impact of the 2008 pension reform in averting deaths among 60-year-old men was higher in urban regions than rural regions. We concluded that the 2008 pension reform successfully bought improved mental health outcomes and prevented depression, traumatic stress, and deaths among 60-year-old men.

"My Cancer Is Worth Only Fifteen Weeks"? A Critical Analysis of the Lived Experiences of Financial Toxicity and Cancer in Canada

BACKGROUND

Cancer patients experience financial hardship due to rising expenses related to cancer treatment and declining income levels associated with reduced employability. Employment Insurance Sick Benefits (EI-SB) is a social income support program which provides temporary income replacement to Canadians when they fall ill. Although EI-SB is designed to maintain continuity of income during an illness, little is known about the perspectives of cancer patients who receive EI-SB. This knowledge can inform the development of public policies which are responsive to the needs and priorities of cancer patients.

METHODS

We conducted a theory-informed thematic analysis of data collected from twenty semi-structured interviews with participants who were receiving care in a cancer centre in Cape Breton, Nova Scotia and had received EI-SB. A coding framework was developed using Taplin and colleagues' intermediate outcomes of patient care across the cancer care continuum. Interpretation of findings was guided by the synergies of oppression theoretical lens.

RESULTS

Three overarching themes describe the experiences of cancer patients receiving social income support: Economic exclusion, in which the structure of the labour market and social welfare system determine access to workplace benefits and continuity of reasonable income; financial toxicity, a vicious cycle of financial burden and increasing financial distress; and constrained choices, where cancer influences employability and lowered income influences the need to be employed.

CONCLUSION

Cancer patients need income support programs that are tailored to match their healthcare priorities. In addition, policies which strengthen working conditions and facilitate a reintegration to work when possible will be important in addressing the structural drivers of income insecurity experienced by cancer patients.

Loneliness and Mental Health: Recommendations for Primary Care Intakes

Introduction/Objectives

The healthcare intake process plays a significant role in informing medical personnel about patients’ demographic information, subjective health status, and health complaints. Intake forms can help providers personalize care to assist patients in getting proper referrals and treatment. Previous studies examined factors that could be included in intake forms independently, but this study analyzed loneliness, religiousness, household income, and social integration together to see how the combined effect influences mental and physical health status. This study aims to determine which of those 4 variables better inform patients’ mental versus physical health status.

Methods

One hundred and seventy-nine participants completed surveys, including the SF-12^® Health Survey, measuring perceived physical and mental health, UCLA 3-item Loneliness Scale, and a demographics questionnaire with questions about household income and time spent dedicated to religious practice, if applicable. Additionally, individuals answered social integration questions about how often they contact close family and friends or volunteer in the community. Using loneliness, household income, religiousness, social integration as independent variables, and controlling for demographic variables such as age, gender, and race, 2 regression models were built with Mental and Physical Health Composite Scores from the the SF-12^® Health Survey as dependent variables.

Results

Loneliness was associated with mental health measures (b = −2.190, P < .001), while household income was associated with physical health measures (b = 0.604, P = .019) above and beyond other variables in the regression models.

Conclusions

Integrating the 3 loneliness questions into intake forms can help approximate an individual’s mental health status. This would allow the provider to be able to assess mental health problems more effectively and provide needed resources.

Food Insecurity in Older Adults in Canada and the United States: A Concept Analysis

A concept analysis using the method of Walker and Avant was undertaken to clarify the concept of food insecurity in older adults in Canada and the United States. A literature review was undertaken to conduct a concept analysis of food insecurity in older people. Food insecurity is associated with multiple negative health outcomes and may be experienced differently by older adults as compared to younger adults. It is therefore important to understand the concept of food insecurity as is relates to older adults. Four defining attributes of food insecurity in older adults in Canada and the United States were identified: (i) inability to acquire or prepare enough food, (ii) compromising on food quality or preference, (iii) uncertainty or anxiety around the ability to acquire or prepare food, and (iv) socially unacceptable or non-normative practices. These attributes may allow for improved policies and programs aimed at addressing food insecurity in older adults by better meeting the needs of older individuals. Additional research into food insecurity as experienced by Canadian and American older adults could help to further clarify the concept.

Food Insecurity amid the COVID-19 Pandemic: Food Charity, Government Assistance, and Employment

To mitigate the effects of the coronavirus disease 2019 (COVID-19) pandemic, the federal government has implemented several financial assistance programs, including unprecedented funding to food charities. Using the Canadian Perspectives Survey Series 2, we examine the demographic, employment, and behavioural characteristics associated with food insecurity in April-May 2020. We find that one-quarter of job-insecure individuals experienced food insecurity that was strongly associated with pandemic-related disruptions to employment income, major financial hardship, and use of food charity, yet the vast majority of food-insecure households did not report receiving any charitable food assistance. Increased financial support for low-income households would reduce food insecurity and mitigate negative repercussions of the pandemic.

The need for a federal Basic Income feature within any coherent post-COVID-19 economic recovery plan

COVID-19 has shone a harsh light on the extent of poverty in Canada. When normal economic activity was interrupted by the exigencies of public health driven lockdowns, the shutdown disproportionately affected people who, before the pandemic, were living on incomes beneath the poverty line or dependent upon low-paying hourly remunerated jobs, usually part time and without appropriate benefits. Those living beneath the poverty line in Canada, three million of welfare poor and working poor, include a disproportionately large population of Black and Indigenous people and people of colour. This paper addresses the challenge of inclusive economic recovery. In particular, we propose that the federal government introduce a Basic Income guarantee for all residents of Canada as part of a comprehensive social safety net that includes access to housing, child care, mental and physical health care, disability supports, education, and the many other public services essential to life in a high-income country. Residents with no other income would receive the full benefit that would be sufficient to ensure that no one lives in poverty, while those with low incomes would receive a reduced amount.

Severe food insecurity associated with mortality among lower-income Canadian adults approaching eligibility for public pensions: a population cohort study

BACKGROUND

The prevalence of food insecurity among adults over 65 in Canada is less than half of that among adults approaching 65, possibly due in part to the public pension universally disbursed from the age of 65. Given research associating food insecurity with higher risk of premature mortality, our objective was to determine the likelihood that food-insecure adults with incomes below the national median would live past 65 to collect the public pension.

METHODS

We linked respondents of the Canadian Community Health Survey 2005-15 to the death records from the Canadian Vital Statistics Database 2005-17. We assessed household food insecurity status through a validated 18-item questionnaire for 50,780 adults aged 52-64 at interview and with household income below the national median. We traced their vital status up to the age of 65. We fitted Cox proportional hazard models to compare hazard of all-cause mortality before 65 by food insecurity status while adjusting for individual demographic attributes, baseline health, and household socioeconomic characteristics. We also stratified the sample by income and analyzed the subsamples with income above and below the Low Income Measure separately.

RESULTS

Marginal, moderate, and severe food insecurity were experienced by 4.1, 7.3, and 4.5% of the sampled adults, respectively. The crude mortality rate was 49 per 10,000 person-years for food-secure adults and 86, 98, and 150 per 10,000 person-years for their marginally, moderately, and severely food-insecure counterparts, respectively. For the full sample and low-income subsample, respectively, severe food insecurity was associated with 1.24 (95% CI: 1.06, 1.45) and 1.28 (95% CI: 1.07, 1.52) times higher hazard of dying before 65 relative to food security. No association was found between food insecurity and mortality in the higher-income subsample.

CONCLUSIONS

Severely food-insecure adults approaching retirement age were more likely to die before collecting public pensions that might attenuate their food insecurity. Policymakers need to acknowledge the challenges to food security and health faced by working-age adults and provide them with adequate assistance to ensure healthy ageing into retirement.

Association between household food insecurity and mortality in Canada: a population-based retrospective cohort study

BACKGROUND

Food insecurity affects 1 in 8 households in Canada, with serious health consequences. We investigated the association between household food insecurity and all-cause and cause-specific mortality.

METHODS

We assessed the food insecurity status of Canadian adults using the Canadian Community Health Survey 2005-2017 and identified premature deaths among the survey respondents using the Canadian Vital Statistics Database 2005-2017. Applying Cox survival analyses to the linked data sets, we compared adults' all-cause and cause-specific mortality hazard by their household food insecurity status.

RESULTS

Of the 510 010 adults sampled (3 390 500 person-years), 25 460 died prematurely by 2017. Death rates of food-secure adults and their counterparts experiencing marginal, moderate and severe food insecurity were 736, 752, 834 and 1124 per 100 000 person-years, respectively. The adjusted hazard ratios (HRs) of all-cause premature mortality for marginal, moderate and severe food insecurity were 1.10 (95% confidence interval [CI] 1.03-1.18), 1.11 (95% CI 1.05-1.18) and 1.37 (95% CI 1.27-1.47), respectively. Among adults who died prematurely, those experiencing severe food insecurity died on average 9 years earlier than their food-secure counterparts (age 59.5 v. 68.9 yr). Severe food insecurity was consistently associated with higher mortality across all causes of death except cancers; the association was particularly pronounced for infectious-parasitic diseases (adjusted HR 2.24, 95% CI 1.42-3.55), unintentional injuries (adjusted HR 2.69, 95% CI 2.04-3.56) and suicides (adjusted HR 2.21, 95% CI 1.50-3.24).

INTERPRETATION

Canadian adults from food-insecure households were more likely to die prematurely than their food-secure counterparts. Efforts to reduce premature mortality should consider food insecurity as a relevant social determinant.

The household food insecurity gradient and potential reductions in adverse population mental health outcomes in Canadian adults

PURPOSE

Household food insecurity is related to poor mental health. This study examines whether the level of household food insecurity is associated with a gradient in the risk of reporting six adverse mental health outcomes. This study further quantifies the mental health impact if severe food insecurity, the extreme of the risk continuum, were eliminated in Canada.

METHODS

Using a pooled sample of the Canadian Community Health Survey (N = 302,683), we examined the relationship between level of food insecurity, in adults 18-64 years, and reporting six adverse mental health outcomes. We conducted a probit analysis adjusted for multi-variable models, to calculate the reduction in the odds of reporting mental health outcomes that might accrue from the elimination of severe food insecurity.

RESULTS

Controlling for various demographic and socioeconomic covariates, a food insecurity gradient was found in six mental health outcomes. We calculated that a decrease between 8.1% and 16.0% in the reporting of these mental health outcomes would accrue if those who are currently severely food insecure became food secure, after controlling for covariates.

CONCLUSION

Household food insecurity has a pervasive graded negative effect on a variety of mental health outcomes, in which significantly higher levels of food insecurity are associated with a higher risk of adverse mental health outcomes. Reduction of food insecurity, particularly at the severe level, is a public health concern and a modifiable structural determinant of health worthy of macro-level policy intervention.