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Table 3 Association between child’s oral cleanliness and school performance and between toothache during the previous 12 months and school performance (Chi square test)

From: An assessment of the impacts of child oral health in Indonesia and associations with self-esteem, school performance and perceived employability

  Under-achieving Fair Good Excellent p-values
Substantial plaque. Children aged 6–7 years
 Yes (n = 233) 23 (9.8%) 35 (15.0%) 109 (46.8%) 66 (28.3%) p = 0.032*
 No (n = 244) 24 (9.8%) 20 (8.2%) 106 (43.4%) 94 (38.5%)  
 Missing data (n = 62)
Children aged 10–11 years
 Yes (n = 152) 10 (6.6%) 22 (14.5%) 82 (54.0%) 38 (25.0%) p = 0.002**
 No (n = 239) 10 (4.2%) 18 (7.5%) 110 (46.0%) 101 (42.3%)  
 Missing data (n = 54)
Reported toothache during the previous 12 months. Children aged 6–7 years
 Yes (n = 215) 19 (8.8%) 34 (15.8%) 97 (45.1%) 65 (30.2%) p = 0.089
 No (n = 220) 23 (10.5%) 18 (8.2%) 101 (45.9%) 78 (35.5%)  
 Missing data (n = 104)
Children aged 10–11 years
 Yes (n = 155) 4 (2.6%) 18 (11.6%) 90 (58.1%) 43 (27.4%) p = 0.042*
 No (n = 154) 7 (4.6%) 14 (9.1%) 69 (44.8%) 64 (41.6%)  
 Missing data (n = 136)
  1. *p < 0.05; **p < 0.005