A report published in this journal showed an inversely significant association between ultraviolet radiation (UVR) before the pandemic and cumulative COVID-19 cases in Spain. The analyses employed several meteorological factors, but socio-economic factors were not included. We examined the associations of COVID-19 cases with selected factors and found a significance on gross domestic product per capita (p = 0.037 by Spearman’s correlation). Hence, simple regression analyses of UVR would be confounded with regional difference in economic activities. In addition, we raised several questions for limitations due to the study design and analyses.
All Keywords
【저자키워드】 COVID-19, Ultraviolet radiation, statistical analyses, Socio‐economic factors, Climatic factors, 【초록키워드】 pandemic, ultraviolet, Spain, Factors, Study design, association, Analysis, regression analysis, Radiation, Factor, COVID-19 case, activities, limitation, cumulative, Spearman’s correlation, selected, examined, addition, raised, question, analyses, 【제목키워드】 severity, Factor, explain, ecological,
【저자키워드】 COVID-19, Ultraviolet radiation, statistical analyses, Socio‐economic factors, Climatic factors, 【초록키워드】 pandemic, ultraviolet, Spain, Factors, Study design, association, Analysis, regression analysis, Radiation, Factor, COVID-19 case, activities, limitation, cumulative, Spearman’s correlation, selected, examined, addition, raised, question, analyses, 【제목키워드】 severity, Factor, explain, ecological,