EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ...

EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ... EFFICACY OF TEMPORARY FIXED RETENTION FOLLOWING ...

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Table C-28. Results of ANCOVA tests of whether the amount of relapse depends on the kind of retention; dependent variable is Total Chin (TC), with time-out-oftreatment as a covariate. Source df Sum Squares F Ratio P Value Retention 1 2.75 1.01 0.3169 Sex 1 57.74 21.15

Table C-31. Results of ANCOVA tests of whether the amount of relapse depends on the kind of retention; dependent variable is Overbite (OB), with time-out-oftreatment as a covariate. Source df Sum Squares F Ratio P Value Retention 1 3.68 2.18 0.1417 Sex 1 0.34 0.20 0.6541 Time 1 1.71 1.01 0.3156 Retention-x-Sex 1 0.08 0.05 0.8252 Retention-x-Time 1 0.81 0.48 0.4900 Sex-x-Time 1 0.01 0.01 0.9349 Retention-x-Sex-x-Time 1 0.39 0.23 0.6304 Table C-32. Results of ANCOVA tests of whether the amount of relapse depends on the kind of retention; dependent variable is Overjet (OJ), with time-out-oftreatment as a covariate. Source df Sum Squares F Ratio P Value Retention 1 0.03 0.03 0.8660 Sex 1 0.06 0.05 0.8293 Time 1 0.00 0.00 0.9957 Retention-x-Sex 1 0.46 0.37 0.5419 Retention-x-Time 1 1.26 1.03 0.3127 Sex-x-Time 1 0.40 0.32 0.5703 Retention-x-Sex-x-Time 1 0.02 0.02 0.8995 184

Table C-31. Results of ANCOVA tests of whether the amount of relapse depends<br />

on the kind of retention; dependent variable is Overbite (OB), with time-out-oftreatment<br />

as a covariate.<br />

Source df Sum Squares F Ratio P Value<br />

Retention 1 3.68 2.18 0.1417<br />

Sex 1 0.34 0.20 0.6541<br />

Time 1 1.71 1.01 0.3156<br />

Retention-x-Sex 1 0.08 0.05 0.8252<br />

Retention-x-Time 1 0.81 0.48 0.4900<br />

Sex-x-Time 1 0.01 0.01 0.9349<br />

Retention-x-Sex-x-Time 1 0.39 0.23 0.6304<br />

Table C-32. Results of ANCOVA tests of whether the amount of relapse depends<br />

on the kind of retention; dependent variable is Overjet (OJ), with time-out-oftreatment<br />

as a covariate.<br />

Source df Sum Squares F Ratio P Value<br />

Retention 1 0.03 0.03 0.8660<br />

Sex 1 0.06 0.05 0.8293<br />

Time 1 0.00 0.00 0.9957<br />

Retention-x-Sex 1 0.46 0.37 0.5419<br />

Retention-x-Time 1 1.26 1.03 0.3127<br />

Sex-x-Time 1 0.40 0.32 0.5703<br />

Retention-x-Sex-x-Time 1 0.02 0.02 0.8995<br />

184

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