Beyond High-Income Countries: Low Numeracy Is Associated with Older Adult Age around the World - Aix-Marseille Université
Journal Articles MDM Policy & Practice Year : 2023

Beyond High-Income Countries: Low Numeracy Is Associated with Older Adult Age around the World

Abstract

Numeracy, or the ability to understand and use numbers, has been associated with obtaining better health and financial outcomes. Studies in high-income countries suggest that low numeracy is associated with older age—perhaps especially among individuals with lower education. Here, we examined whether findings generalize to the rest of the world. Methods Gallup surveyed >150,000 participants for the 2019 Lloyd’s Register Foundation World Risk Poll, from 21 low-income, 34 lower-middle income, 42 upper-middle income, and 43 high-income countries. Low numeracy was operationalized as failing to correctly answer, “Is 10% bigger than 1 out of 10, smaller than 1 out of 10, or the same as 1 out of 10?” Results Regressions controlling for participants’ education, income, and other characteristics found that, worldwide, low numeracy was associated with older age, lower education, and their interaction. Findings held in each country-income category, although low numeracy was more common in low-income countries than in high-income countries. Limitations Age differences may reflect cohort effects and life span–developmental changes. Discussion Low numeracy is more common among people who are older and less educated. We discuss the need for education and interventions outside of the classroom. Highlights We analyzed a global survey conducted in 21 low-income, 34 lower-middle income, 42 upper-middle income, and 43 high-income countries. Low numeracy was associated with older adult age, even after accounting for age differences in education. Low numeracy was more common in older people with lower education.
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hal-04185867 , version 1 (23-08-2023)

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Wändi Bruine de Bruin, Aulona Ulqinaku, Jimena Llopis, Matteo Santangelo Ravà. Beyond High-Income Countries: Low Numeracy Is Associated with Older Adult Age around the World. MDM Policy & Practice, 2023, 8 (1), pp.23814683231174241. ⟨10.1177/23814683231174241⟩. ⟨hal-04185867⟩
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