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Table 5 Findings for discriminant validity of the ECOHIS

From: Parental perceptions of children's oral health: The Early Childhood Oral Health Impact Scale (ECOHIS)

  Number of decayed and/or treated teeth
  None 1–3 ≥ 4
Child Impacts section    
   Sample size 112 37 32
   Mean score 1.15 3.32 5.06
   Std. Deviation ± 1.88 ± 4.08 ± 4.64
   ANOVA comparisons tested None vs. 1–3*   
  None vs. ≥ 4*   
  1–3 vs. ≥ 4*   
Family Impacts section    
   Sample size 117 36 33
   Mean score 1.0 2.75 3.82
   Std. Deviation ± 1.65 ± 3.05 ± 3.96
   ANOVA comparisons tested None vs. 1–3*   
  None vs. ≥ 4*   
  1–3 vs. ≥ 4 NS   
  1. * Statistically significant at P ≤ .05, NS: Not significant