Research Article

Lifestyle Factors and Parkinson’s Disease Risk in a Rural New England Case-Control Study

Table 1

Population characteristics and univariate associations.

ControlsPDUnivariate
n = 195 (%)n = 97 (%)-value

SexF78 (40.0)34 (35.1)0.489
M117 (60.0)63 (64.9)

AgeMean ± SD67.6 ± 7.2969.36 ± 8.100.072

Age category<6570 (35.9)31 (32.0)0.411
65–75100 (51.3)48 (49.5)
75+25 (12.8)18 (18.6)

Family history of PDNo182 (93.3)75 (77.3)<0.001
Yes13 (6.7)22 (22.7)

Disease durationMean ± SD6.57 ± 5.26

Dementia or Alzheimer’sNo195 (0.0)94 (98.9)1
Yes0 (0.0)1 (1.1)

SmokingNever99 (51.8)53 (55.8)0.613
Ever92 (48.2)42 (44.2)

Participate regularly in strenuous athletic activities, such as running, swimming, or other competitive sports (soccer, football, etc.)No108 (56.8)40 (42.1)0.026
Yes82 (43.2)55 (57.9)

Ever suffered head trauma or a concussion that caused you to black out or lose consciousness?No155 (81.6)55 (57.3)<0.001
Yes35 (18.4)41 (42.7)

Have you ever suffered a severe electrical burn or been electrocuted?No182 (96.3)90 (95.7)1
Yes7 (3.7)4 (4.3)

Chi-square or t-test.