# Table 2 Linear regression analysis between the logarithm of sway area and neck PPT in persons with dizziness (n = 234) and in persons with neck pain (n = 125)

PPT Upper NeckPPT Lower Neck
GroupsB(CI)pR2B (CI)pR2
Eyes open
Neck Pain−.0001 (−.0013 to .0010).815.0004−.0003 (−.0018 to .0011).637.0020
Dizziness−.0002 (−.0013 to .0007).569.0014−.0007 (−.0021 to .0005).258.0055
Model 2: Adjusted for age and
Neck Pain−.0005 (−.0018 to .0008).5436.0468−.0007 (−.0023 to .0008).363.0485
Dizziness−.0007 (−.0018to .0003).181.0318−.0014 (−.0028 to <−.0001).047.0409
Model 3: Adjusted for age, sex, and GP
Neck Pain−.0003 (−.0017 to .0010).625.0495−.0005 (−.0022 to .0012).548.0504
Dizziness−.0004(−.0016 to .0007).432.0357−.0011(−.0027 to .0093).124.0431
Eyes open on foam
Neck Pain<.0001(−.0009 to .0009).977<.0001<−.0001 (−.0012 to .0011).930.0001
Dizziness−.0002 (−.0013 to .0007).555.0015−.0001 (−.0013 to .0009).769.0004
Model 2: Adjusted for age and sex
Neck Pain−.0001 (−.0012 to .0009).780.0492−.0002 (−.0014 to .0011).799.0491
Dizziness−.0006 (−.0016 to .0004).263.0295−.0012 (−.0026 to .0001).086.0367
Model 3: Adjusted for age, sex, and GP
Neck Pain.0001 (−.0010 to .0012).838.0602.0002 (−.0011 to .0016).764.0606
Dizziness−.0003 (−.0015 to .0009).626.0345−.0009 (−.0024 to .0006).234.0394
Eyes closed
Neck Pain−.0003 (−.0017 to .0009).592.0023−.0004 (−.0021 to .0011).601.0022
Dizziness−.0015 (−.0027 to −.0002).020.0230−.0026 (−.0042 to −.0009).002.0408
Model 2: Adjusted for age and sex
Neck Pain−.0005 (−.0019 to .0009).471.0786−.0004 (−.0021 to .0012).613.0766
Dizziness−.0018 (−.0032 to −.0004).010.0460−.0031 (−.0049 to −.0013).001.0682
Model 3: Adjusted for age, sex, and GP
Neck Pain−.0004 (−.0019 to .0011).592.0794−.0002 (−.0021 to .0016).781.0778
Dizziness−.0016 (−.0031 to <−.0001).038.0468−.0031 (−.0050 to −.0011).002.0681
Eyes closed on foam