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Table 4 Correlation between WQA, reading ease score and grade level with ranking using Spearman’s correlation coefficient (r s )

From: Generic medicines: an evaluation of the accuracy and accessibility of information available on the internet

Google domain

n

WQA

Flesch reading ease score

Flesch Kinkaid grade level

Spearman’s rs

p-value

Spearman’s rs

p-value

Spearman’s rs

p-value

IE / .com

8

−0.49

0.220

−0.33

0.420

0.24

0.570

IE / .ie

10

0.06

0.866

−0.64*

0.048*

0.58

0.082

UK / .com

8

−0.38

0.352

−0.48

0.233

0.43

0.289

UK / .co.uk

9

−0.51

0.160

−0.58

0.112

0.44

0.232

US / .com

7

−0.67

0.097

−0.64

0.119

0.68

0.094

CA / .com

8

−0.38

0.352

−0.48

0.233

0.43

0.289

CA / .ca

5

−0.70

0.188

0.10

0.873

−0.30

0.624

AU / .com

8

−0.34

0.404

0.29

0.493

−0.38

0.352

AU / .com.au

10

−0.10

0.787

0.00

1.000

0.33

0.359

  1. *Statistically significant at 5% level of significance.