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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 2.

Hierarchical regression of BSI-18

Variable B SE(B) Standardized B
Step 1
PPC (Z score) −4.37 0.46 −0.41***
VHI (Z score) 0.05 0.46 0.01
Step 2
PPC (Z score) −4.32 0.45 −0.40***
VHI (Z score) −0.02 0.45 −0.002
PPC x VHI Interaction −1.54 0.42 −0.15***
***

= p <0 .001 (two tailed)