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Table 1 A) Webpages tabulated by country and source type. B) Readability scores for webpages by region. Statistical analysis showed no significant difference between countries or continents. FRES target score > 60, FKG target < 8, GFI target < 8 and SMOG target score < 10. C) Readability scores for webpages by source type. ANOVA for normally distributed FRES with mean (SD), and Kruskal-Wallis for non-parametric FKG, GFI and SMOG scores with median (range)

From: Readability of online COVID-19 health information: a comparison between four English speaking countries

A

Government and Public Health Organisations

Educational or Scientific Institution

Digital Media

Other

Ireland

29

2

16

13

United Kingdom

22

7

24

7

Canada

39

1

13

9

United States

37

1

16

4

Total

127

11

69

33

B

FRES

Mean (SD)

FKG

Median (range)

GFI

Median (range)

SMOG

Median (range)

Ireland

48.93 (12.45)

8.7 (5–14)

8.7 (3–16)

10.4 (7–17)

United Kingdom

52.21 (13.04)

8.7 (4–20)

9.25 (4–18)

10.9 (9–18)

Canada

47.89 (9.57)

8.8 (4–14)

8.8 (2–15)

11.0 (7–15)

United States

49.58 (10.25)

8.8 (5–20)

8.6 (3–18)

11.0 (7–18)

Total

49.65 (11.4)

8.8 (4–20)

8.8 (2–18)

10.9 (7–18)

C

FRES

Mean (SD)

FKG

Median (range)

GFI

Median (range)

SMOG

Median (range)

Government and Public Health Organisations

48.5 (13.1)

8.7 (4–20)

8.7 (3–18)

10.4 (7–18)

Educational or Scientific Institution

44.8 (10.1)

10.4 (8–14)

11.1 (8–15)

11.7 (10–15)

Digital Media

53.3 (10.6)

9.4 (4–14)

9.7 (2–15)

11.2 (8–14)

Other

47.52 (10.89)

8.6 (5–12)

8.0 (3–14)

11.1 (9–14)

Univariate Analysis (p-value)

< 0.0196*

< 0.04*

< 0.0003***

< 0.0009***

  1. * p ≤ 0.05, ** p ≤ 0.01, *** p ≤ 0.001, ****p ≤ 0.0001