Table 1.

Study population characteristics.

		Farmworkers (n=48)		Non-farmworkers (n=26)
Participant Characteristics		n	Percent	n	Percent	p-valuea
Age						0.6685
30–34 years		18	37.5	8	30.8
35–44 years		18	37.5	9	34.6
45+ years		12	25.0	9	34.6
Education						0.0654
0–6 grade		17	35.4	7	26.9
7–11 grade		24	50.0	9	34.6
12 grade or more		7	14.6	10	38.5
Country of birth						<.0.0001
Mexico		48	100	15	57.7
Other				11	42.3
Occupation						N/A
Farmworker		48	100
Construction				7	26.9
Production				6	23.1
Food preparation/restaurant				3	11.5
Maintenance/cleaning				3	11.5
Sales				1	3.8
Mechanic				2	7.7
Other				1	3.8
Unemployed				3	11.5
Pack years smoked at baselineb						0.1328
0 years		22	45.8	19	73.1
< 1 year		15	31.3	5	19.2
1–4 years		8	16.7	1	3.8
9–25 years		3	6.3	1	3.8

^ap-value for the comparison of farmworkers to non-farmworkers

^bPack years smoked at baseline (pack years = # of packs/day * # of years smoked)