No Supplement (N = 511) | MVI | D | D + MVI | P value | |
---|---|---|---|---|---|
(N = 322) | (N = 42) | (N = 68) | |||
Mean (SD) | F test | ||||
Age in years | 60.1 (9.7) | 61.8 (8.6)* | 65.3 (6.4)* | 65.5 (7.7)* | < 0.0001 |
Age at PD Dx | 58.5 (9.7) | 60.2 (8.7)* | 63.9 (6.6)* | 64.1 (7.7)* | < 0.0001 |
Yrs since Dx | 1.6 (1.1) | 1.7 (1.2) | 1.3 (1.0) | 1.4 (0.8) | 0.07 |
Years since Dx to D-treatment | 1.1 (1.1) | 1.3 (1.2) | 0.9 (1.0) | 1.0 (0.8) | 0.08 |
UPDRS total | 25.1 (10.3) | 25.4 (10.3) | 25.1 (11.4) | 24.5 (9.8) | 0.92 |
UPDRS mental | 1.2 (1.3) | 1.2 (1.3) | 1.4 (1.4) | 1.2 (1.3) | 0.85 |
UPDRS ADL | 6.8 (3.7) | 6.8 (3.6) | 6.2 (3.9) | 6.4 (3.4) | 0.66 |
PDQ 39 summary | 12.9 (10.4) | 11.5 (8.7) | 12.5 (9.6) | 10.5 (8.3) | 0.08 |
SCOPA COG | 30.4 (5.1) | 30.4 (5.2) | 30.9 (4.6) | 31.1 (5.0) | 0.71 |
SDMT | 45.1 (11.1) | 44.4 (10.9) | 45.2 (11.4) | 45.9 (11.4) | 0.71 |
Total daily LED | 374.9 (224.9) | 371.3 (232.8) | 390.0 (208.0) | 367.4 (355.4) | 0.96 |
Frequency (%) | X2testa | ||||
Female % | 144 (28.2%) | 94 (29.2%) | 27 (64.3%) | 38 (55.9%) | < 0.0001 |
Non-Hispanic white | 448 (87.7%) | 303 (94.1%) | 41 (97.6%) | 66 (97.1%) | 0.001 |
Education > 17 yearsa | 149 (29.2%) | 118 (36.7%) | 16 (38.1%) | 18 (26.5%) | 0.08 |