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Table 4 Mean and median scores of knowledge and practice by demographic factors

From: Oral cancer knowledge, attitudes, and practices among senior dental students in Yemen: a multi-institution study

Variable

Categories (N/N)

Knowledge score

P value

Practice score

P value

Median (IQR)

Mean ± SD

Median (IQR)

Mean ± SD

Stage of study

Year 4(415/489)

15 (12–17)

14.65 ± 3.45

< 0.001

3 (2 − 4)

2.91 ± 0.93

< 0.001

Year 5 (342/382)

17 (14–19)

16.44 ± 3.54

3 (3–4)

3.14 ± 0.88

Smoking

No (657/744)

15 (13–18)

15.48 ± 3.64

0.555

3 (3–4)

3.03 ± 0.9

0.199

Yes (98/121)

15 (13–17)

15.28 ± 3.33

3 (2–4)

2.88 ± 1.02

Gender

Males (297/333)

15 (13–18)

15.36 ± 3.84

0.778

3 (2–4)

2.92 ± 1

0.117

Females (458/537)

15 (13–18)

15.51 ± 3.44

3 (3–4)

3.06 ± 0.86

University

Private (199/274)

15 (13–17)

14.94 ± 3.34

0.021

3 (2–4)

2.95 ± 0.88

0.063

Public (558/598)

16 (13–18)

15.64 ± 3.68

3 (3–4)

3.04 ± 0.93

  1. All tests were conducted using Mann-Whitney test. N/N: number of responses in knowledge and practice, respectively; IQR: interquartile range; SD: standard deviation
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BMC Oral Health

ISSN: 1472-6831

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