Table 3 Demographics of participants in cohort study used to derive updated percentiles for the revised UPSIT

From: Percentile scores for the revised University of Pennsylvania Smell Identification Test for 16,972 individuals 60 years of age and older

 

Females by cohort

Males by cohort

Variable

Combined (N = 11,754)

PPMI Online (N = 2485)

ST Direct (N = 9269)

Combined (N = 5218)

PPMI Online (N = 1908)

ST Direct (N = 3310)

Age, mean (SD)

68.0 (5.8)

68.0 (5.6)

68.0 (5.9)

69.8 (6.4)

69.6 (6.2)

69.9 (6.5)

Median (min, max)

67.0 (60, 95)

67.4 (60, 92)

66.9 (60, 95)

69.1 (60, 95)

69.2 (60, 94)

69.1 (60, 95)

Age category, n (%)

     

60–64

4266 (36%)

878 (35%)

3388 (37%)

1363 (26%)

486 (25%)

877 (26%)

65–69

3673 (31%)

746 (30%)

2927 (32%)

1517 (29%)

560 (29%)

957 (29%)

70–74

2299 (20%)

538 (22%)

1761 (19%)

1265 (24%)

487 (26%)

778 (24%)

75–79

1072 (9%)

255 (10%)

817 (9%)

718 (14%)

257 (13%)

461 (14%)

80+

444 (4%)

68 (3%)

376 (4%)

355 (7%)

118 (6%)

237 (7%)

Race (White)a, n (%)

11323 (97%)

2379 (98%)

8944 (97%)

4969 (97%)

1818 (97%)

3151 (97%)

Missing

112

47

65

93

37

56

Ethnicity (Hispanic), n (%)

225 (2%)

43 (2%)

182 (2%)

119 (2%)

41 (2%)

78 (2%)

Missing

431

19

412

188

14

174

Family history of PD, n (%)

     

No

7845 (67%)

1044 (42%)

6801 (74%)

3619 (70%)

1088 (57%)

2531 (77%)

Yes

3286 (28%)

1360 (55%)

1926 (21%)

1310 (25%)

741 (39%)

569 (17%)

Not sure

532 (5%)

80 (3%)

452 (5%)

247 (5%)

79 (4%)

168 (5%)

Missing

91

1

90

42

0

42

  1. PD Parkinson’s disease, PPMI Parkinson’s Progression Markers Initiative.
  2. aAcross PPMI Online and ST Direct, 30 individuals self-reported as American Indian/Alaska Native, 142 as Asian, 114 as Black or African American, 7 as Native Hawaiian/Pacific Islander, and 182 as multiracial.
Back to article page