Pre-existing atopic symptoms | | | | | | | | | | |
Yes (n = 25) | 10 (71) | 15 (58) | 4 (100) | 21 (58) | 11 (58) | 14 (67) | 20 (80) | 5 (33) | 23 (66) | 2 (40) |
No (n = 15) | 4 (29) | 11 (42) | 0 (0) | 15 (42) | 8 (42) | 7 (33) | 5 (20) | 10 (67) | 12 (34) | 3 (60) |
Exposure time before rhinitis | | | | | | | | | | |
1–3 months (n = 15) | 5 (36) | 10 (38) | 1 (25) | 14 (39) | 8 (42) | 7 (33) | 11 (44) | 4 (27) | 13 (37) | 2 (40) |
1–3 years (n = 18) | 8 (57) | 10 (38) | 2 (50) | 16 (44) | 8 (42) | 10 (48) | 10 (40) | 8 (53) | 16 (46) | 2 (40) |
>3 years (n = 7) | 1 (7) | 6 (23) | 1 (25) | 6 (17) | 3 (16) | 4 (19) | 4 (16) | 3 (20) | 6 (17) | 1 (20) |
Occupation | | | | | | | | | | |
Researcher (n = 24) | 6 (43) | 18 (69) | 1 (25) | 23 (64) | 14 (74) | 10 (48) | 14 (56) | 10 (67) | 20 (57) | 4 (80) |
Laboratory technician (n = 10) | 4 (29) | 6 (23) | 2 (50) | 8 (22) | 3 (16) | 7 (33) | 7 (28) | 3 (20) | 9 (26) | 1 (20) |
Animal handler (n = 6) | 4 (29) | 2 (8) | 1 (25) | 5 (14) | 2 (11) | 4 (19) | 4 (16) | 2 (13) | 6 (17) | 0 (0) |