Table 2.
Predictors | Model 1 | Model 2 | Model 3 | Model 4 | ||||||||
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β | t | p | β | t | p | β | t | P | β | t | p | |
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CSR T1 | −.23 | −2.15 | .035 | −.33 | −3.28 | .001 | −.38 | −3.84 | <.001 | −.38 | −3.76 | <.001 |
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SUDS T1 | −.08 | −0.62 | .536 | .45 | 2.88 | .005 | .44 | 2.73 | .008 | .43 | 2.65 | .010 |
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% Steps T1 | −.13 | −1.08 | .283 | .05 | 0.35 | .724 | .05 | 0.31 | .758 | .04 | 0.25 | .802 |
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IBI T1 | .12 | 1.07 | .288 | .23 | 1.68 | .096 | .19 | 1.43 | .155 | .20 | 1.47 | .144 |
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Δ SUDS | - | - | - | .64 | 4.67 | <.001 | .66 | 4.85 | <.001 | .65 | 4.79 | <.001 |
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Δ % Steps | - | - | - | .07 | 0.55 | .586 | .12 | 0.99 | .327 | .11 | 0.84 | .406 |
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Δ IBI | - | - | - | .07 | 0.55 | .581 | −.03 | −0.20 | .846 | .00 | −0.01 | .996 |
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Δ SUDS x Δ Steps | - | - | - | - | - | - | .24 | 2.61 | .011 | .24 | 2.42 | .017 |
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Δ IBI x Δ SUDS | - | - | - | - | - | - | −.10 | −1.14 | .258 | −.08 | −0.80 | .425 |
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Δ IBI x Δ Steps | - | - | - | - | - | - | −.18 | −1.84 | .070 | −.14 | −1.07 | .289 |
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Δ SUDS x IBI x Δ Steps | - | - | - | - | - | - | - | - | - | .04 | 0.37 | .711 |
Note. T1 = pre-treatment; CSR = clinician severity rating; treatment outcome = CSR at post-treatment – CSR at pre-treatment; SUDS = subjective units of distress; % steps = # of steps completed/# steps possible; IBI = change in interbeat interval from baseline to end of BAT; Δ SUDS = SUDS post – SUDS pre-treatment; Δ % Steps = % Steps post – % Steps pre-treatment; Δ IBI = IBI pre – Δ IBI post-treatment