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Table 5 Changes in the scores, standardised to the range 0–100, for the pre and post-intervention questionnaire sections

From: Sensitivity to change of the Beach Questionnaire to behaviour, attitudes and knowledge related to sun exposure: quasi-experimental before-after study

Section

N

Pre-test (range 0–100)

Post-test (range 0–100)

p

Mean difference

Confidence interval 95%

Mean

SD

Mean

SD

Lower

Upper

Sun exposure habits

219

30.4

18.4

34.7

18.2

<0.001

4.33

2.2

6.5

Sun protection practices

204

29.4

12.5

29.7

12.8

0.76

0.23

−1.2

1.7

Attitudes toward sun exposure

216

57.4

11.2

59.6

10.9

<0.001

2.22

1.2

3.2

Knowledge

223

80.4

15.8

89.5

12.0

<0.001

9.10

7.1

11.1