TABLE 2.

Linear regression analyses comparing biomarker concentrations in farmworkers and comparison workers

Analytes	Units	Farmworkers = 1 vs. comparison = 0 N = 97
		Unadjusted values				Adjusted values
		β estimate	P value	95% CI		β estimate b	P value	95% CI
log(Basophil)	%	0.08	.25	0.23	−0.06	0.12	.13	−0.04	0.29
log(Eosinophil)	%	0.19	.05	0.00	0.37	0.24 a	.02	0.04	0.44
log(Hemoglobin)	g/dL	−0.02	.06	−0.03	0.00	−0.01	.16	−0.03	0.01
log(Hematocrit)	%	−0.01	.15	−0.03	0.00	−0.01	.28	−0.03	0.01
log(Lymphocyte)	%	−0.04	.25	−0.10	0.03	−0.03	.41	−0.10	0.04
log(Mean corpuscular hemoglobin concentration [MCHC])	pg	0.00	.37	−0.01	0.00	<0.01	.53	−0.01	0.01
log(Mean corpuscular volume)	Fl	0.03	.02	0.00	0.06	0.03 a	.04	<0.01	0.06
Monocyte	%	−1.09	.02	−1.99	−0.20	−1.33 a	.01	−2.30	−0.37
Neutrophil	%	−0.48	.87	−6.49	5.53	−1.34	.69	−8.08	5.39
log(Plate count)	cells/μL	−0.02	.52	−0.09	0.04	−0.03	.39	−0.10	0.04
log(Red blood cell [RBC] count)	cells/μL	−0.04	.00	−0.08	−0.01	−0.04 a	.01	−0.07	−0.01
log(RBC distribution width [RDW])	%	0.01	.15	−0.01	0.03	0.01	.19	−0.01	0.03
log(White blood cell count)	cells/μL	−0.07	.01	−0.12	−0.02	−0.06 a	.04	−0.12	<0.01
Serum calcium	mg/dL	−0.83	.00	−1.31	−0.35	−0.79 a	<.01	−1.31	−0.27
log(Serum creatinine)	mg/dL	−0.04	.04	−0.08	0.00	−0.03	.22	−0.07	0.02
log(Urine calcium)	mg/dL	0.13	.12	−0.03	0.30	0.14	.14	−0.05	0.32
Urine creatinine	mg/dL	33.03	.03	3.82	62.24	36.29 a	.03	4.17	68.41
log(Acetylcholinesterase)	U/L	0.08	.37	−0.10	0.27	0.05	.64	−0.16	0.25
log(Butyrylcholinesterase)	U/L	−0.48	<.01	−0.68	−0.29	−0.50 a	<.01	−0.70	−0.29

Abbreviation: CI, confidence interval.

^aSignifies a P value less than .05.

^bThese values were adjusted for age, former smoker status, current smoking status, alcohol use, and body mass index.