Table 1.

Interceptive pre-treatment expectations vs. post-treatment experiences

Child Self-Rating†Parent Rating†
Scoring for Expectations/Experiences: −12 (much worse after orthodontics) to +12 (much better after orthodontics)
†Mean scores (SD)
*Change from pre- to post-treatment: p<.05
**Change from pre- to post-treatment: p<.01
Source:King GJ. Early orthodontic intervention under Medicaid. NIDCR Disparities Center grant #P54 DE14254, University of Washington. Report to DSMB, May 2007.
Pre-Treatment Expectations
    Oral function6.6 (4.5)9.1 (2.7)
    Appearance6.3 (4.2)9.0 (2.7)
    Health1.6 (2.1)2.1 (2.2)
    Social5.8 (4.9)8.0 (4.1)
Post-Treatment Experiences
    Oral function6.1 (3.7)6.0 (3.7)**
    Appearance5.7 (3.7)*6.7 (3.7)*
    Health0.6 (1.4)*0.6 (1.4)*
    Social4.2 (3.8)*5.5 (3.7)**