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Table 4 Odds ratio (OR) for the association between plaque accumulation and poor (underachieve) school performance in age groups 6–7 and 10–11 years-old

From: Is there evidence for the impact of poor oral health on school performance?

Substantial plaque

Underachieve n (%)

Fair/Good/Excellent n (%)

Total

OR (95% CI)

p

Age 6–7

 Yes

23 (9.9)

210 (90.1)

233

1.0 (0.52, 1.92)

> 0.9

 No

24 (9.8)

220 (90.2)

244

1

 

Age 10–11

 Yes

10 (6.6)

142 (93.4)

152

1.6 (0.59, 4.43)

0.3

 No

10 (4.2)

229 (95.8)

239

1