Mean cumulative exposure to pesticides and asthma in Lebanon
| Cumulative exposure mean (SEM) | Controls (n = 262) | Cases (n = 245) | p Value |
|---|---|---|---|
| †Personal use of pesticides: lifetime number of applications; ‡house treated by pesticides: lifetime number of house applications; §region score×duration of living in that region; ¶duration of living near a field heavily treated by pesticides. | |||
| Occupational exposure | 0 applications | 1.31 (1.19) applications | 0.25 |
| Non-occupational exposure† | 1.10 (0.32)applications | 6.00 (2.06) applications | 0.02 |
| House exposure‡ | 10.61 (1.17)applications | 14.15 (1.32) applications | 0.045 |
| Cumulative regional exposure§ | 87.45 (7.64) years | 152.51 (23.95) years | 0.01 |
| Local exposure¶ | 2.19 (0.53) years | 5.73 (0.94) years | <10−4 |