Table 2. Pesticide exposure and asthma in children.

First author [ref.]	Asthma definition	Exposure metric	Co-exposures	OR (95% CI)
Salam [25]	Doctor-diagnosed asthma	Self-reported farm-related exposures to crops, dusts, animals, herbicides and pesticides in first year of life	Crops, dusts, animals	2.39 (1.17–4.89)
Salameh [26]	Self-reported, doctor-diagnosed asthma	Any exposure to pesticides	Dust, animals	1.73 (1.02–2.96)
Sunyer [27]	Doctor-diagnosed asthma at age 4 years	Cord blood and blood samples	Unknown	1.46# (0.92–2.32)
Sunyer [28]	Doctor-diagnosed asthma at age 6.5 years	Cord blood and blood samples aged 4 years	Unknown	1.18 (1.01–1.39)
Weselak [29]	Self-reported, doctor-diagnosed asthma	Any exposure to pesticides during pregnancy	Farm environment	1.00 (0.71–1.40)

^#: risk ratio.