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Table 2 Changes in periodontal knowledge score from baseline to follow-up among those who had seen the campaign and who did not

From: Assessment of periodontal knowledge following a mass media oral health promotion campaign: a population-based study

 

Seen

Not seen

 

No. (%)

No. (%)

Unit change of knowledge score

  

−2

0.0

6

(1.6)

−1

17

(11.0)

51

(13.8)

0

56

(36.1)

168

(45.5)

1

58

(37.4)

121

(32.8)

2

18

(11.6)

20

(5.4)

3

6

(3.9)

3

(0.9)

Total

155*

(100.0)

369*

(100.0)

  1. *Since there were some missing responses to knowledge questions, the figures do not represent 163 and 380 respectively.