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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: J Voice. 2015 Mar 17;30(2):172–176. doi: 10.1016/j.jvoice.2015.02.002

Table 3.

Hierarchical regression of PSS-4

Variable B SE(B) Standardized B
Step 1
PPC (Z score) −1.35 0.14 −0.40***
VHI (Z score) 0.14 0.14 0.04

Step 2
PPC (Z score) −1.34 0.14 −0.40***
VHI (Z score) 0.12 0.14 0.04
PPC X VHI Interaction −0.35 0.13 −0.11**
***

= p < 0. 001 (two tailed),

**

= p <0 .01 (two tailed)