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Table 4 Association between COVID-19 indixes and independent variables by median age categories

From: COVID-19, body mass index and cholesterol: an ecological study using global data

Independent variables

Median age < 20 years

Median age20–40 years

Median age > 40 years

R2

β

R2

β

R2

β

Incidence ratio per million

 Mean BMI (kg/m2)

.663

.814**

.141

.376**

.156

.395*

 Prevalence of overweight

.768

.877**

.198

.445**

.244

.494**

 Prevalence of obesity

.764

.874**

.160

.400**

.162

.403*

 Mean total cholesterol mmol/L (2009)

.307

.554**

.212

.460**

.139

.373*

 Prevalence of cholesterol ≥5 mmol/L(2009)

.394

.628**

.220

.469**

.133

.365*

 Prevalence of cholesterol ≥6.2 mmol/L (2009)

.456

.675**

.194

.440**

.152

.389*

 Mean total cholesterol (2018)

.670

.819**

.092

.303*

.045

.211

 Mean non-HDL cholesterol (mmol/L) (2018)

.631

.794**

.016

.126

.031

.176

 Mean HDL cholesterol (mmol/L) (2018)

.163

.403

.037

.192

.004

.063

Mortality ratio per million

 Mean BMI (kg/m2)

.675

.822**

.140

.375**

.145

.380*

 Prevalence of overweight

.762

.873**

.163

.403**

.246

.496**

 Prevalence of obesity

.761

.872**

.105

.324**

.147

.383*

 Mean total cholesterol mmol/L (2009)

.327

.572**

.081

.284**

.047

.217

 Prevalence of cholesterol ≥5 mmol/L(2009)

.423

.650**

.085

.292**

.052

.228

 Prevalence of cholesterol ≥6.2 mmol/L (2009)

.488

.699**

.054

.232*

.050

.223

 Mean total cholesterol (2018)

.675

.822**

.095

.308**

.001

.024

 Mean non-HDL cholesterol (mmol/L) (2018)

.653

.808**

.060

.245*

.000

.003

 Mean HDL cholesterol (mmol/L) (2018)

.155

.393

.004

−.063

.000

−.005

  1. BMI Body Mass Index, β standardized coefficients for regression; **P < .001, *P < .05