Study suggests social distancing in US varies by income
Aug 01, 2020
California [US], August 1 : According to a new study, wealthier communities went from being the most mobile before the COVID-19 pandemic to the least mobile, while poorer areas have gone from the least-mobile to the most-mobile.
The study by the University of California, Davis - showed about a 25 percentage point jump of the wealthiest census tracts staying completely at home compared with a 10 percentage point increase in staying at home in the poorest communities.
The study, published in the Proceedings of the National Academy of Sciences, used anonymised data from mobile device location pings between January and April 2020 to find that social distancing in the United States varies strongly by income.
"We found that before the pandemic, individuals in the wealthiest neighbourhoods tended to be the least likely to stay completely at home on a given day," said lead author Joakim Weill, a graduate student with the UC Davis Department of Agricultural and Resource Economics. "But when the states of emergency came into play, individuals living in the wealthiest areas stayed home the most. It was a complete reversal."
The study does not determine the causes for this reversal, though the researchers highlight plausible mechanisms and note that lower-income communities tend to have more essential workers who also have less capacity to work at home compared to people in more affluent areas.
Double burden
The results indicate a double burden of the pandemic for lower-income communities, which previous studies show have higher levels of pre-existing health conditions and less access to healthcare. This study shows they also exhibit less of the social distancing that could help buffer against COVID-19.
"As policymakers are thinking about emergency relief packages, this points to the need for lower-income regions to be an area of focus in order to build capacity for social distancing and other measures critical to reducing the spread of this disease," said senior author Michael Springborn, an environmental economist and associate professor with the UC Davis Department of Environmental Science and Policy.
"This is just one piece of a broader set of emerging results showing that lower-income neighbourhoods are particularly vulnerable as the pandemic proceeds."
The scientists compared mobility data from SafeGraph, Place IQ and Google Mobility, which was freely shared to the researchers for the study.
