Savage et al., 1988

100 OP poisonings

100 no poisoning

EEG and NP battery; neurological exam decades after poisoning

OP poisoned or not

Matching: age, gender, education, occupation, socioeconomic status (SES), race, ethnicity

NP and EEG tests poorer in exposed group; no differences in physical or neurological exams

 

Colorado and Texas registries, 1950–1976

Ames et al., 1995

45 men cholinesterase inhibited (CI)

90 friends not CI

See Steenland et al., 1994

Cholinesterase inhibited or not

See Steenland et al., 1994

No differences

 

California—same as Steenland et al., 1994

London et al., 1998

164 pesticide applicators

83 workers

NP battery, neurological symptoms, vibration sense, motor tremor

Prior poisoning, current applicator; long-term exposure by questionnaire

Regression: age, height, education, numeracy, visual acuity, alcohol, prior brain injury, current applicator

Neurological symptoms more prevalent among persons with prior poisoning controlling for current applicator status

 

South African fruit farms



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