Table 2

Prevalence (n (%)) of individual parkinsonian signs (of slight or greater severity, UPDRS rating ⩾1)

Total (n=310)Occupational pesticide exposure (y)
0
(n=72)
1–30 (n=61)31–50 (n=90)>50 (n=87)
Rest tremor7  (2.3)1  (1.4)0  (0.0)3  (3.3)3  (3.4)
Rigidity (in any limb)217 (70.0)51 (70.8)39 (63.9)58 (64.4)69 (79.3)
 Left arm194 (62.6)46 (63.9)36 (59.0)54 (60.0)58 (66.7)
 Right arm201 (64.8)46 (63.9)38 (62.3)53 (58.9)64 (73.6)
 Left leg170 (54.8)42 (58.3)30 (49.2)45 (50.0)53 (60.9)
 Right leg173 (55.8)39 (54.2)35 (57.4)43 (47.8)56 (64.4)
Bradykinesia54 (17.4)16 (22.2)5 (8.2)11 (12.2)22 (25.3)
Postural reflex impairment39 (12.6)10 (13.9)8 (13.1)11 (12.2)10 (11.5)
Parkinsonism2-150 65 (21.0)17 (23.6)7 (11.5)18 (20.0)23 (26.4)
  • 2-150 Parkinsonism was defined in this study as the presence of two or more of rest tremor, rigidity, bradykinesia, or postural reflex impairments.