Skip to main content

Table 4 Factors associated with dopamine transporter availability in each striatal subregion by a multiple linear regression analysis in PD patients

From: Current coffee consumption is associated with decreased striatal dopamine transporter availability in Parkinson’s disease patients and healthy controls

Striatal regions

Variables

Model 2 in PD (n = 138)

B (SE)

95%CI

p

Caudate

Age

 − 0.039 (0.026)

(− 0.089, 0.012)

0.136

Gender

0.085 (0.094)

(− 0.100, 0.270)

0.366

Coffee consumption

 − 0.262 (0.088)

(− 0.435, − 0.088)

0.003

Smoking history

 − 0.402 (0.292)

(− 0.979, 0.175)

0.170

Age at onset

0.029 (0.025)

(− 0.020, 0.078)

0.238

Disease duration

0.001 (0.006)

(− 0.011, 0.014)

0.829

Putamen

Age

 − 0.014 (0.014)

(− 0.047, 0.022)

0.326

Gender

0.034 (0.050)

(− 0.007, 0.243)

0.505

Coffee consumption

 − 0.067 (0.047)

(− 0.187, 0.047)

0.156

Smoking history

 − 0.139 (0.157)

(− 0.332, 0.446)

0.379

Age at onset

0.011 (0.013)

(− 0.022, 0.044)

0.421

Disease duration

 − 0.001 (0.003)

(− 0.014, 0.003)

0.818

  1. Bold values indicate significant differences (Bonferroni corrected, p < 0.05/2 = 0.025)
  2. PD Parkinson’s disease, B unstandardized B, SE standard error, CI confidence interval