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. Author manuscript; available in PMC: 2010 Aug 31.
Published in final edited form as: Odontology. 2010 Feb 16;98(1):37–43. doi: 10.1007/s10266-009-0109-4

Table 3.

Analysis of variance of bond strength

DF Sum of squares Mean square F value P value Lambda Power
Bond agent 1 4634.655 4634.655 265.374 <0.001 265.374 1.000
Smoker 1 66.113 66.113 3.786 0.0537 3.786 0.475
Condition 4 316.258 79.065 4.527 0.0018 18.108 0.946
Bond agent * smoker 1 29.851 29.851 1.709 0.1932 1.709 0.240
Bond agent * condition 4 78.715 19.679 1.127 0.3464 4.507 0.339
Smoker * condition 4 128.576 32.144 1.841 0.1244 7.362 0.540
Bond agent * smoker * condition 4 143.160 35.790 2.049 0.0908 8.197 0.594
Residual 10 2445.051 17.465