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Table 1 General characteristics of 330 persons (exposed and non-exposed) who were investigated at baseline in 2008/2009 and at follow-up in 2012/2013, 18–67 years old at baseline

From: A follow-up study of airway symptoms and lung function among residents and workers 5.5 years after an oil tank explosion

 

Baseline (2008/2009)

Follow-up 2012/2013

Non-exposed

Exposed

 

Non-exposed

Exposed

 

Total number

112

218

112

218

 

Mean (SD)

Mean (SD)

p

Mean (SD)

Mean (SD)

p

Age years

46 (12)

45 (12)

0.4

50 (12)

49 (12)

0.4b

Height m

1.73 (0.08)

1.75 (0.09)

0.2b

   

Weight kg

80.1 (14.4)

81.9 (17.1)

0.4b

80.3 (13.7)

82.3 (16.8)

0.3b

BMI kg/m2

26.7 (4.3)

26.9 (5.1)

0.7b

26.8 (4.0)

26.9 (4.5)

0.8b

 

n (%)

n (%)

 

n (%)

n (%)

 

Gender

 Men

58 (52)

127 (58)

0.3a

   

 Women

54 (48)

91 (42)

   

Social status

 In work

98 (87.5)

190 (87.2)

0.9 a

89 (80.9)

181 (83.0)

0.6 a

 Retirement pension

2 (1.8)

4 (1.8)

1.0a

9 (8.1)

17 (7.8)

0.9 a

 Sick leave/rehabilitation

5 (4.5)

8 (3.7)

0.7a

4 (3.6)

13 (6.0)

0.4 a

 Disability pension

6 (5.4)

14 (6.4)

0.7a

7 (6.4)

7 (3.2)

0.2 a

 Student

8 (7.1)

12 (5.5)

0.6a

3 (2.7)

9 (4.1)

0.5 a

 Other

0 (0)

1 (0.5)

 

5 (4.5)

14 (6.4)

0.5 a

Education

 Only primary school

   

4 (3.7)

30 (14.1)

0.02a

 Secondary/technical education

   

56 (52.3)

112 (52.6)

1.0a

 University/college

   

47 (43.9)

71 (33.3)

0.06a

Smoking habit

 Never

48 (45.3)

88 (41.3)

0.6a

49 (44.5)

83 (40.1)

0.3a

 Ex- smoker

34 (32.1)

65 (30.5)

40 (36.4)

69 (33.3)

 Present

24 (22.6)

60 (28.2)

21 (19.1)

55 (26.6)

Atopy (Phadiatop® positive)

25 (22.3)

49 (22.5)

0.8a

   

High occupational exposure

30 (27.3)

57 (26.1)

0.8a

   

Infection preceding month

35 (31.3)

60 (27.5)

0.5a

30 (26.8)

57 (26.1)

0.8a

Exposed group

 No ART

-

184 (84.4)

    

 ART

-

34 (15.6)

    
  1. ART Accident related tasks: firefighting or clean-up pollution after the accident
  2. SD Standard deviation
  3. Exposed group: Residence <6 km from accident place or work place in the industrial harbor in May 2007
  4. aPearson Chi-Square test
  5. bIndependent sampled t-test