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Table 1 Odds ratio (OR) for the association between toothache 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?

Toothache Underachieve n (%) Fair/Good/Excellent n (%) Total OR (95% CI) p
Age 6–7
 Yes 19 (8.8) 196 (91.2) 215 0.83 (0.41, 1.65) 0.6
 No 23 (10.5) 197 (89.6) 220 1  
Age 10–11
 Yes 4 (2.6) 151 (97.4) 155 0.56 (0.12, 2.25) 0.4
 No 7 (4.6) 147 (95.5) 154 1