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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Parkinsonism Relat Disord. 2015 Jun 21;21(9):1072–1075. doi: 10.1016/j.parkreldis.2015.06.017

Table 2.

Linear correlations between cortisol values and psychometric variables.

Cortisol Collection Time
Bedtime Waking Waking + 30minutes 12:00 15:00
History of mood disordera 0.001 (0.99) 0.18 (0.33) 0.21 (0.25) −0.12 (0.51) 0.23 (0.21)

History of anxiety disordera 0.28 (0.11) 0.06 (0.76) 0.06 (0.77) −0.11 (0.54) 0.20 (0.28)

Taking CNS-acting medicationa 0.17 (0.37) 0.12 (0.52) −0.02 (0.92) 0.18 (0.31) −0.13 (0.46)

HAM-Da 0.06 (0.76) 0.01 (0.94) −0.08 (0.66) −0.09 (0.60) −0.09 (0.64)

HAM-Aa 0.11 (0.53) −0.002 (0.99) −0.10 (0.59) −0.08 (0.67) −0.09 (0.61)

BDIa −0.01 (0.95) −0.15 (0.44) −0.21 (0.27) −0.18 (0.32) −0.15 (0.41)

STAI state −0.01 (0.94) −0.098 (0.44) 0.119 (0.35) −0.151 (0.23) −0.212 (0.09)

STAI trait −0.049 (0.70) −0.091 (0.48) 0.173 (0.17) −0.137 (0.28) −0.198 (0.11)

Adult sexual trauma −0.10 (0.43) 0.004 (0.98) −0.10 (0.45) −0.10 (0.45) −0.02 (0.83)

Childhood sexual trauma −0.08 (0.52) −0.01 (0.92) −0.02 (0.89) −0.04 (0.75) 0.05 (0.72)

Childhood emotional trauma 0.08 (0.56) −0.12 (0.36) −0.04 (0.75) 0.02 (0.86) 0.14 (0.26)

Childhood physical −0.03 (0.81) −0.09 (0.48) 0.05 (0.71) 0.06 (0.65) −0.13 (0.30)

Disease duration 0.18 (0.32) −0.20 (0.29) 0.06 (0.75) −0.17 (0.35) −0.21 (0.24)

Values are expressed as r (p-value).

a

Given statistically significant differences between groups, correlation coefficients computed separately for patients and controls. Results reported above correspond to patient population.