TORONTO, May 15, 2023 鈥� High inflation rates are stressing certain sociodemographic groups more than others, exacerbating inequalities in health across the United States, finds a new study led by a 91亚色 researcher.

Stress is known to have detrimental effects on health and high inflation has become a significant source of stress. Of the 93 per cent of respondents who reported an increase in prices for goods and services in their area, 47 per cent of them said the rise in prices was very stressful, 28 per cent felt moderately stressed, while 19 per cent reported feeling a little stress. Less than six per cent said increased prices did not make them feel stressed.

Inflation stress, however, affects various segments of the population differently.

鈥淚nflation does not affect everyone equally and can have a greater impact on people depending on their gender, race, age, marital status, education and income,鈥� says lead author 91亚色 Assistant Professor Cary Wu of the Faculty of Liberal Arts and Professional Studies.

Although this study looked at the effects of high inflation in the U.S., research by Wu on Canadians has found similar patterns.

To measure high inflation stress, the researchers analyzed data from the national U.S. Household Pulse Survey. Of the 369,328 respondents, 62 per cent were white, 11 per cent were Black, five per cent were Asian and 17 per cent were Hispanic, while 51 per cent were women and 31 per cent had post-secondary education.

The study found inflation is a significant source of stress for women, much more so than men, as well as those who are socioeconomically more vulnerable. Black and Hispanic people reported higher inflation stress than white people, while Asians reporter lower inflation stress.

Education and income also play a role with higher levels of both being associated with lower inflation stress. Some 66 per cent of those who reported less than $25,000 in household income felt stressed, while only 17 per cent of those with a household income more than $200,000 reported feeling stress about high inflation.

After adjusting socio-economic status, the difference in stress disappeared between Blacks and whites, but Asians showed slightly higher inflation stress.

Previously married individuals who are now widowed, divorced or separated had higher levels of inflation stress than married couples. It was also found to be higher for middle-aged groups compared to those older or younger.

"There is a need for more research and better policies to help protect against the health disparities caused by high-inflation stress that affects certain segments of the population more than others," says Wu.

The study, , was published today in the American Medical Association鈥檚 open access journal .

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TORONTO, Aug. 24, 2022 鈥� Lower-to-middle-income countries still struggle with high unemployment rates after COVID-19 lockdowns and economic restrictions, unlike higher-income countries such as Canada, finds a new study led by 91亚色 with the University of Witwatersrand in Johannesburg.

This is opposite from the 2008-2009 global economic crisis when higher-income countries suffered more from the recession than lower-income countries.

The study used Twitter sentiments to help compare macroeconomic factors including unemployment and inflation across Nigeria, South Africa and Canada representing lower-middle, upper-middle and high-income countries respectively.

They found the unemployment rate increased for all three countries at the beginning of the pandemic, however, Canada was able to control the rate after the first couple of months unlike Nigeria and South Africa, where they continue to struggle with high unemployment.

鈥淭his indicates how vulnerable lower-middle income countries are to lockdowns and economic limitations, bearing a greater loss during the COVID-19 pandemic than higher income countries,鈥� says 91亚色 Assistant Professor , the study鈥檚 corresponding author and director of the Africa-Canada AI & Data Innovation Consortium (ACADIC).

Before COVID-19, lockdowns and economic restrictions, Nigeria鈥檚 unemployment rate was lower than South Africa鈥檚, while the inflation rate of South Africa was lower than Nigeria. During the pandemic, however, unemployment and inflation rates in Nigeria have increased more than Canada and South Africa.

Now the inflation rate is increasing in all three, especially in Canada and Nigeria, which has experienced both high unemployment and high inflation throughout the pandemic.

鈥淭he COVID-19 crisis has affected all income country groups. The burden, however, is much heavier on lower income classes. Coming back from this complexity will be difficult, especially for middle-income countries,鈥� says study co-author Professor , member of the Gauteng Premier COVID-19 Advisory Committee in charge of modelling from the University of Witwatersrand and iThemba LABS in South Africa and co-president of ACADIC. Gauteng is the most populous province in South Africa and hosts Johannesburg and Pretoria.

鈥淭he management of the COVID-19 pandemic taught us about the importance of data to enact evidence-based decisions. The way policymakers view data has changed greatly as a result. We are looking forward to the use of more data in dealing with societal problems,鈥� says Mduduzi Mbada, acting director general of the Gauteng Province.

Although South Africa鈥檚 inflation rate is still comparable to pre-pandemic levels, any policies put in place to deal with high unemployment are expected to increase the inflation rate. Canada's unemployment rate remains good, but it is now seeing it is highest inflation rate in the last 15 years, which may have been brought on in part by the decision to provide the Canada Emergency Response Benefit and Employment Insurance to the employees who lost their jobs because of COVID-19.

Part of what makes this study unique is the authors use of different machine learning algorithms to estimate the monthly unemployment rates for Nigeria and South Africa using unconventional data such as Twitter sentiment and Google Trends data. Monthly inflation data was available for all three countries, but not monthly unemployment data for South Africa and Nigeria.

Social media and social networks, such as Facebook, Twitter, LinkedIn, Instagram, Snapchat, Pinterest, and Reddit, are filled with real-time information, which is stored electronically and often accessible.

鈥淭hey are well-posed to revolutionize the manner and the speed at which especially difficult to get infectious disease data is made available,鈥� says Kong. 鈥淒ata used to inform infectious disease models usually comes from classical surveillance systems, but they suffer from several shortcomings, including severe time lags and a lack of spatial resolution. They are also costly.鈥�

Data from country-specific Twitter can be used to better understand concerns and sentiments around the macroeconomic situations at the local level 鈥� potentially leading to more targeted and publicly acceptable policies based on social media content.

鈥淪ocial media can also provide data on behaviours and outcomes related to vaccine or drug use, including drug-related adverse events, complementing conventional vaccine and pharmaco-vigilance approaches, in which the tracking of vaccine- and drug-related adverse events mainly relies on passive reporting by physicians,鈥� says Mellado.

Their richness in text-based data in the form of posts and comments allows researchers to identify popular topics and assess public sentiment. This can help inform decision-makers and policymakers and allow for a better understanding of concerns and worries about macroeconomics at the local level.

The paper, , was published today in the journal PLOS ONE.

The study is part of the , a multidisciplinary, multi-organization initiative, with funding from Canada鈥檚  and the , and with project support from ,  and .

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91亚色 is a modern, multi-campus, urban university located in Toronto, Ontario. Backed by a diverse group of students, faculty, staff, alumni and partners, we bring a uniquely global perspective to help solve societal challenges, drive positive change and prepare our students for success. 91亚色's fully bilingual Glendon Campus is home to Southern Ontario's Centre of Excellence for French Language and Bilingual Postsecondary Education. 91亚色鈥檚 campuses in Costa Rica and India offer students exceptional transnational learning opportunities and innovative programs. Together, we can make things right for our communities, our planet, and our future. 

Media Contact:Sandra McLean, 91亚色 Media Relations, 416-272-6317, sandramc@yorku.ca

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