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Table 4 Correlation between Relative differences

From: Should samples be weighted to decrease selection bias in online surveys during the COVID-19 pandemic? Data from seven datasets

 

The adjusted OR relative difference

p-value

Correlation coefficient

Sample size

-0.891

0.007

Independent variable relative difference

0.309

0.500

Age relative difference

0.863

0.012

Gender relative difference

-0.559

0.192

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BMC Medical Research Methodology

ISSN: 1471-2288

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