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Table 1 Dental and non-dental students’ knowledge of periodontal diseases before and after a traditional or e-learning course

From: The effects of oral health education regarding periodontal health on non-dental undergraduates in southwestern China—exploring the feasibility of an e-learning course for oral health promotion

Items

Dental students

Non-dental students

Traditional course

Traditional course

E-learning course

Before (n = 217)

After (n = 217)

Pa

Before (n = 134)

After (n = 134)

Pb

Before (n = 69)

After (n = 68)

Pc

Self-evaluation about the knowledge of periodontal diseases

3.98 ± 0.51

4.87 ± 0.34

 < 0.001

2.82 ± 0.87

4.27 ± 0.73

 < 0.001

2.93 ± 0.96

4.19 ± 0.43

 < 0.001

Pd

      

0.429

0.252

 

Pe

    

 < 0.001

    

Aetiology and risk factors for periodontal diseases

11.99 ± 0.96

12.82 ± 0.42

 < 0.001

10.79 ± 1.27

12.09 ± 1.17

 < 0.001

10.88 ± 1.16

12.38 ± 0.88

 < 0.001

Pd

      

0.618

0.036

 

Pe

    

0.235

    

Periodontal health and systematic health

13.63 ± 1.18

13.93 ± 1.20

0.003

11.71 ± 1.39

13.52 ± 1.65

 < 0.001

11.91 ± 1.67

14.04 ± 1.37

 < 0.001

Pd

      

0.413

0.012

 

Pe

    

1

    

Possible outcomes of tooth in elderly individuals

3.71 ± 0.98

4.37 ± 0.92

 < 0.001

3.01 ± 0.99

3.85 ± 1.11

 < 0.001

3.03 ± 0.97

4.21 ± 0.86

 < 0.001

Pd

      

0.750

0.028

 

Pe

    

0.077

    

Treatment of periodontal diseases (Scaling)

12.48 ± 1.53

13.47 ± 1.47

 < 0.001

11.19 ± 1.99

12.78 ± 1.90

 < 0.001

11.29 ± 2.16

13.06 ± 1.80

 < 0.001

Pd

      

0.529

0.232

 

Pe

    

0.075

    
  1. Mann–Whitney U test; P < 0.05 values were significant
  2. aComparison of dental students before and after a traditional course
  3. bComparison of non-dental students before and after a traditional course
  4. cComparison of non-dental students before and after an e-traditional course
  5. dComparison of non-dental students before/after a traditional course and non-dental students before/after an e-learning course
  6. eComparison between non-dental students after a traditional course and dental students before a traditional course