Table 1 Characteristics of the study group of greenhouse workers and reference group

Individuals

number

33

5

42

9

Age, mean, range

years

37.5

43.2

39.9

42.0

20–57

28–54

15–57

29–57

Male

%

64

40

62

56

Current smoker

%

24

0

24

44

Asthma

%

15

100

21

100

Nasal allergy

%

24

80

36

78

Atopy

%

45

80

45

89

SAA^c, average (median), range

mg/l

28.3

43.3

30.0

34.8

(15.2)

(34.8)

(20.0)

(20.8)

1.5–159

15.4–115

3.6–134

3.9–110

CRP, Average (median) range

mg/l

1.60

3.91

1.73

2.78

(0.95)

(3.32)

(0.88)

(1.52)

bd-13.3^b

0.62–12.3

bd-8.1

0.35–8.1