Table 3.

Percentage of lymphocytes with chromosome aberrations (CA) in pesticide exposed farmers and controls.

Exposed and controls	Living altitude	N	Chromosome breaks	Chromosome gaps	Chromatide breaks	Chromatide gaps	Total CA
			Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
Controls		32	0.59 ± 1.73	0.22 ± 0.55	1.00 ± 2.27	0.72 ± 1.42	2.53 ± 4.79
	high	11	0.64 ± 2.11	0.18 ± 0.40	1.18 ± 2.18	0.45 ± 1.04	2.45 ± 5.11
	low	21	0.57 ± 1.57	0.24 ± 0.62	0.90 ± 2.36	0.86 ± 1.59	2.57 ± 4.75
0 applications past month		16	2.50 ± 3.79	0.75 ± 1.18	2.00 ± 2.63	0.94 ± 1.48	6.19 ± 7.96
	high	8	1.13 ± 3.18	0.50 ± 1.41	0.38 ± 1.06	0.63 ± 1.77	2.63 ± 7.42
	low	8	3.88 ± 4.05	1.00 ± 0.93	3.63 ± 2.77	1.25 ± 1.16	9.75 ± 7.19
1 application past month		12	2.25 ± 2.83	0.83 ± 1.75	2.00 ± 3.25	0.83 ± 1.34	5.92 ± 7.54
	high	5	1.60 ± 3.05	0.40 ± 0.89	0.80 ± 1.30	0.00 ± 0.00	2.80 ± 5.22
	low	7	2.71 ± 2.81	1.14 ± 2.19	2.86 ± 4.02	1.43 ± 1.51	8.14 ± 8.49
≥2 applications past month		19	4.21 ± 4.22	1.57 ± 1.80	4.53 ± 5.14	1.47 ± 2.01	11.79 ± 11.44
	high	14	5.21 ± 4.19	2.00 ± 1.88	5.71 ± 5.35	1.86 ± 2.18	14.79 ± 11.27
	low	5	1.40 ± 3.13	0.40 ± 0.89	1.20 ± 2.68	0.40 ± 0.89	3.40 ± 7.60