EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ...
EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ...
EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ...
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Table C-13. Results of ANCOVA tests of whether the amount of relapse depends<br />
on the kind of retention; dependent variable is Incisor Segment Depth (ISD), with<br />
time-out-of-treatment as a covariate.<br />
Source df Sum Squares F Ratio P Value<br />
Retention 1 3.93 6.23 0.0136<br />
Sex 1 0.00 0.00 0.9941<br />
Time 1 0.72 1.15 0.2860<br />
Retention-x-Sex 1 1.01 1.60 0.2076<br />
Retention-x-Time 1 3.77 5.97 0.0156<br />
Sex-x-Time 1 1.74 2.76 0.0985<br />
Retention-x-Sex-x-Time 1 1.80 2.85 0.0933<br />
Table C-14. Results of ANCOVA tests of whether the amount of relapse depends<br />
on the kind of retention; dependent variable is Anterior Segment Depth (ASD),<br />
with time-out-of-treatment as a covariate.<br />
Source df Sum Squares F Ratio P Value<br />
Retention 1 1.27 2.10 0.1496<br />
Sex 1 0.40 0.67 0.4157<br />
Time 1 0.00 0.00 0.9848<br />
Retention-x-Sex 1 0.98 1.62 0.2049<br />
Retention-x-Time 1 2.49 4.10 0.0447<br />
Sex-x-Time 1 1.54 2.54 0.1132<br />
Retention-x-Sex-x-Time 1 0.09 0.14 0.7072<br />
Table C-15. Results of ANCOVA tests of whether the amount of relapse depends<br />
on the kind of retention; dependent variable is Incisor Depth (ID), with time-outof-treatment<br />
as a covariate.<br />
Source df Sum Squares F Ratio P Value<br />
Retention 1 0.00 0.00 0.9946<br />
Sex 1 0.58 0.19 0.6615<br />
Time 1 0.00 0.00 0.9705<br />
Retention-x-Sex 1 1.23 0.41 0.5222<br />
Retention-x-Time 1 3.43 1.14 0.2868<br />
Sex-x-Time 1 4.54 1.51 0.2206<br />
Retention-x-Sex-x-Time 1 0.06 0.02 0.8879<br />
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