EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ...
EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ...
EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ...
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Table C-16. Results of ANCOVA tests of whether the amount of relapse depends<br />
on the kind of retention; dependent variable is Anterior Segment Width (ASW),<br />
with time-out-of-treatment as a covariate.<br />
Source df Sum Squares F Ratio P Value<br />
Retention 1 0.00 0.00 0.9832<br />
Sex 1 3.43 3.38 0.0677<br />
Time 1 5.47 5.39 0.0215<br />
Retention-x-Sex 1 1.37 1.35 0.2476<br />
Retention-x-Time 1 3.23 3.19 0.0762<br />
Sex-x-Time 1 0.84 0.83 0.3636<br />
Retention-x-Sex-x-Time 1 2.09 2.06 0.1528<br />
Table C-17. Results of ANCOVA tests of whether the amount of relapse depends<br />
on the kind of retention; dependent variable is Mandibular Incisor Irregularity<br />
(II), with time-out-of-treatment as a covariate.<br />
Source df Sum Squares F Ratio P Value<br />
Retention 1 38.71 7.20 0.0081<br />
Sex 1 3.01 0.56 0.4550<br />
Time 1 7.27 1.35 0.2464<br />
Retention-x-Sex 1 12.47 2.32 0.1296<br />
Retention-x-Time 1 8.41 1.57 0.2127<br />
Sex-x-Time 1 0.01 0.00 0.9625<br />
Retention-x-Sex-x-Time 1 3.99 0.74 0.3904<br />
Table C-18. Results of ANCOVA tests of whether the amount of relapse depends<br />
on the kind of retention; dependent variable is FMIA, with time-out-of-treatment<br />
as a covariate.<br />
Source df Sum Squares F Ratio P Value<br />
Retention 1 22.34 1.53 0.2175<br />
Sex 1 120.16 8.25 0.0046<br />
Time 1 23.89 1.64 0.2023<br />
Retention-x-Sex 1 0.16 0.01 0.9177<br />
Retention-x-Time 1 7.25 0.50 0.4815<br />
Sex-x-Time 1 39.13 2.69 0.1033<br />
Retention-x-Sex-x-Time 1 10.48 0.72 0.3977<br />
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