Table 2

Univariate regression analysis of annual lung function change over two years in laboratory animal workers on subject characteristics in subjects working with laboratory animals for less than four years (n=102)

ParameternΔFEV1 (m/y) β (SE)ΔFVC (ml/y) β (SE)ΔMMEF (ml/s/y) β (SE)
*p<0.05; **p<0.01.
Gender (female)5657.9 (19.4)**41.1 (22.8)85.6 (38.7)*
Age (/10 y)−12.5 (14.4)−9.5 (16.5)−21.2 (28.3)
Standing height (/10 cm)−20.9 (9.9)*−18.3 (11.4)−25.2 (19.6)
Body weight (/10 kg)−12.1 (8.3)−14.8 (9.5)−30.1 (16.2)
Current smoker20−3.4 (25.3)−13.1 (28.9)40.4 (49.5)
Former smoker151.5 (28.4)−26.5 (32.4)−5.6 (55.6)
Pack-years (/y)1.0 (2.5)2.3 (2.9)−0.6 (4.9)
Common atopy45−36.2 (19.9)−35.5 (22.9)−81.7 (38.9)*
Chronic respiratory symptoms25−41.4 (23.0)−4.6 (26.7)−73.3 (45.2)
Bronchitis symptoms4−80.7 (51.2)−23.4 (59.2)−101.2 (101.0)
Asthma symptoms23−31.2 (23.9)2.6 (27.5)−66.5 (46.7)
History of non-occupational allergy23−43.2 (23.7)−27.7 (27.4)−72.5 (46.6)
Airway hyperreactivity17−31.1 (26.8)−26.1 (30.8)−28.9 (52.8)
Years worked with laboratory animals (/y)−12.0 (9.2)−0.9 (10.6)−38.1 (17.8)*
Recently exposed to laboratory animals82−48.6 (24.9)4.9 (29.0)−76.4 (49.1)
Sensitised to laboratory animals26−48.4 (22.6)*−95.4 (24.6)**−56.1 (44.9)
Symptoms of respiratory allergy to laboratory animals15−67.0 (27.6)*−86.9 (31.3)**−24.2 (55.6)