Table 1 Comparing patients with and without Parkinson’s disease (PD) on demographic variables.

From: Unravelling the mechanisms of underweight in Parkinson’s disease by investigating into the role of gut microbiome

 

Controls (N = 131)

PD (N = 199)

P-value (adjusted P-value)

Age

  

0.033

 Mean (SD)

70.4 (8.60)

68.4 (9.14)

 

Sex

  

<0.001

 Female

79 (60.3%)

66 (33.2%)

 

 Male

52 (39.7%)

133 (66.8%)

 

Race

  

0.264 (0.139)

 White

131 (100%)

195 (98.0%)

 

 Black or African American

0 (0%)

1 (0.5%)

 

 More Than One Race

0 (0%)

3 (1.5%)

 

Location

  

0.147 (0.310)

 Seattle, WA

57 (43.5%)

92 (46.2%)

 

 Albany, NY

61 (46.6%)

75 (37.7%)

 

 Atlanta, GA

13 (9.9%)

32 (16.1%)

 

Body mass index (BMI)

  

0.009 (<0.001)

 Mean (SD)

28.3 (5.69)

26.4 (5.32)

 

 Missing

4 (3.1%)

7 (3.5%)

 

Alcohol amount

  

0.017 (0.081)

 2 or more drinks a week

39 (29.8%)

64 (32.2%)

 

 Less than 2 drinks a week

53 (40.5%)

51 (25.6%)

 

 None

38 (29.0%)

79 (39.7%)

 

 Missing

1 (0.8%)

5 (2.5%)

 

Coffee amount

  

0.055 (0.119)

 7 or more cups a week

74 (56.5%)

84 (42.2%)

 

 Less than 7 cups a week

25 (19.1%)

53 (26.6%)

 

 None

31 (23.7%)

56 (28.1%)

 

 Missing

1 (0.8%)

6 (3.0%)

 

Smoke

  

0.316 (0.476)

 No

125 (95.4%)

182 (91.5%)

 

 Yes

5 (3.8%)

14 (7.0%)

 

 Missing

1 (0.8%)

3 (1.5%)

 

Eats fruits or vegetables daily

  

0.028 (0.151)

 No

15 (11.5%)

42 (21.1%)

 

 Yes

115 (87.8%)

152 (76.4%)

 

 Missing

1 (0.8%)

5 (2.5%)

 

Eats grains daily

  

0.787 (0.779)

 No

42 (32.1%)

59 (29.6%)

 

 Yes

86 (65.6%)

133 (66.8%)

 

 Missing

3 (2.3%)

7 (3.5%)

 

Eats meats daily

  

0.403 (0.418)

 No

49 (37.4%)

83 (41.7%)

 

 Yes

81 (61.8%)

110 (55.3%)

 

 Missing

1 (0.8%)

6 (3.0%)

 

Other neuro disease

  

0.252 (0.137)

 No

122 (93.1%)

172 (86.4%)

 

 Yes

8 (6.1%)

5 (2.5%)

 

 Missing

1 (0.8%)

22 (11.1%)

 

Cancer

  

0.192 (0.080)

 No

119 (90.8%)

183 (92.0%)

 

 Yes

8 (6.1%)

5 (2.5%)

 

 Missing

4 (3.1%)

11 (5.5%)

 

Underweight (BMI < 18.5)

  

0.239 (0.011)

 Yes

2 (1.5%)

9 (4.5%)

 

 No

125 (95.4%)

183 (92.0%)

 

 Missing

4 (3.1%)

7 (3.5%)

 
  1. Logistic regression with PD as dependent variable, with age and sex as confounders was performed, and adjusted p-value was calculated using F-test between full model and reduced model.
  2. SD standard deviation.