Table 3: The relationship between pesticide exposure and LBW. Values are n (%).
Variables	Cases (n=29)	Controls (n=29)	OR (95% CI)
Maternal involvement in agricultural activities before pregnancy
Yes	21 (72)	10 (35)	4.9 (1.6 to 15.2)
No	8 (28)	19 (66)	1
Maternal involvement in agricultural activities during pregnancy
Yes	13 (45)	7 (24)	2.5 (0.8 to 7.8)
No	16 (53)	22 (76)	1
The risk of pesticide exposure in the home environment before pregnancy
Yes	18 (62)	11 (38)	2.6 (0.9 to 7.7)
No	11 (38)	18 (62)	1
The risk of pesticide exposure in the home environment during pregnancy
Yes	18 (62)	6 (21)	6.2 (1.9 to 20.2)
No	11 (38)	23 (79)	1
History of maternal pesticide exposure (composite variable)*
Yes	17 (59)	5 (17)	6.8 (2.0 to 22.9)
No	12 (41)	24 (83)	1
*Subjects were considered to be exposed to pesticides if they had a minimum of two out of four exposure risks.