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Contents of It's not All in Your Head by Asmundson and Taylor

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Table C4<br />

Comparison <strong>of</strong> SHB <strong>and</strong> WLC completers mid-treatment <strong>and</strong> mid-wait-list means us<strong>in</strong>g <strong>in</strong>dependent samples t tests<br />

SHB at T2 WLC at T2 Equality <strong>of</strong> variances<br />

Sig. (1-tailed)<br />

Measure M (SD) M(SD) F Sig. t df p value<br />

SHAI<br />

MIHT<br />

30.33 (4.63) 34.75 (5.91) 0.26 .623 -1.33 8 .111<br />

Cognition 21.17 (4.26) 25.25 (2.50) 0.52 .489 -1.71 8 .063<br />

Note. SHB = self-help book group; WLC = wait-list control group; T = time; SHAI = Short Health Anxiety Inventory; MIHT = Multidimensional<br />

Inventory <strong>of</strong> Hypochondriacal Traits; CES-D = Centre for Epidemiologic Studies Depression Scale; SF-36= Short Form 36 Health Survey; PCS =<br />

Physical Component Summary; MCS = Mental Component Summary.<br />

U Unequal variance assumed.<br />

*p < .05.<br />

Behaviour 26.00 (7.01) 30.50 (3.87) 1.42 .267 -1.16 8 .141<br />

Perception 29.33 (6.28) 37.50 (1.29) 5.29 .051 -2.52 8 .018*<br />

Affect 21.83 (5.64) 25.50 (2.38) 1.79 .217 -1.21 8 .130<br />

CES-D 18.67 (3.44) 22.25 (6.24) 6.01 .040 u -1.05 4 .176<br />

SF-36<br />

PCS 48.23 (10.16) 45.65 (5.63) 0.46 .516 0.46 8 .330<br />

MCS 32.96 (7.30) 35.90 (17.37) 4.61 .064 -0.38 8 .358<br />

114

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