Table 2

Crude and adjusted a prevalence odds ratio (POR) and corresponding 95% confidence interval (CI) for specific symptoms by exposure category group

Symptoms

N

Pr b

Crude POR

95% CI

Adjusted POR

95% CI


Ocular Symptoms

Sore eyes

Control B

12

11.9

1.0

---

1.0

---

Control A

20

24.1

2.4

1.1–5.2

2.4

1.0–5.6

Exposed

132

61.1

11.7

6.0–22.6

11.9

5.7–24.9

Itchy eyes

Control B

16

15.8

1.0

---

1.0

---

Control A

18

21.7

1.5

0.7–3.1

1.5

0.7–3.4

Exposed

118

54.6

6.4

3.5–11.6

5.9

3.0–11.7

Watery eyes

Control B

13

12.9

1.0

---

1.0

---

Control A

16

19.3

1.6

0.7–3.6

1.5

0.6–3.5

Exposed

103

47.7

6.2

3.2–11.7

5.3

2.6–10.9

Red eyes

Control B

8

7.9

1.0

---

1

---

Control A

12

14.5

2.0

0.8–5.1

2.4

0.9–6.6

Exposed

90

41.7

8.3

3.8–18.0

8.5

3.6–19.7

Respiratory symptoms

Dry throat

Control B

25

24.8

1.0

---

---

Control A

22

26.5

1.1

0.6–2.1

0.9

0.5–1.9

Exposed

140

64.8

5.6

3.3–9.5

4.7

2.5–8.6

Scratchy throat

Control B

22

21.8

1.0

---

1.0

---

Control A

18

21.7

1.0

0.5–2.0

0.8

0.4–1.7

Exposed

129

59.7

5.3

3.1–9.2

3.5

1.9–6.5

Sore throat

Control B

16

15.8

1.0

---

1.0

---

Control A

18

21.7

1.5

0.7–3.1

1.2

0.5–2.7

Exposed

113

52.3

5.8

3.2–10.6

3.8

1.9–7.4

Cough

Control B

18

17.8

1.0

---

1.0

---

Control A

12

14.5

0.8

0.4–1.7

0.6

0.2–1.4

Exposed

94

43.5

3.6

2.0–6.3

2.3

1.2–4.4

Shortness of breath after spill c

Control B

2

1.0

---

---

Control A

15

18.1

10.9

2.4–49.3

Exposed

110

50.9

51.4

12.4–213.6

Difficulty in breathing after spill

Control B

0

0.0

---

---

Control A

1

1.2

Exposed

22

10.2

Wheezing after spill

Control B

0

0

---

---

Control A

8

9.6

Exposed

42

19.4

Wheezing with shortness of breath after spill

Control B

0

0

---

---

Control A

1

1.2

Exposed

13

6.0

Skin symptoms

Itchy Skin c

Control B

5

5.0

1.0

---

---

Control A

6

7.2

1.5

0.4–5.1

Exposed

75

34.7

10.2

4.0–26.1

Skin irritation c

Control B

4

4.0

1.0

---

---

Control A

2

2.4

0.6

0.1–3.4

Exposed

54

25.0

8.1

2.8–23.0

Nervous system symptoms

Nausea/vomitingc

Control B

7

6.9

1.0

---

---

Control A

12

14.5

2.3

0.9–6.1

Exposed

84

38.9

8.5

3.8–19.3

Headache

Control B

29

28.7

1.0

---

1.0

---

Control A

18

21.7

0.7

0.3–1.4

0.6

0.3–1.2

Exposed

138

63.9

4.4

2.6–7.3

3.1

1.7–5.5

Dizziness c

Control B

7

6.9

1.0

---

---

Control A

9

10.8

1.6

0.6–4.6

Exposed

75

34.7

7.1

3.2–16.2

Irritability

Control B

4

4.0

1.0

---

1.0

---

Control A

7

8.4

2.2

0.6–7.9

1.6

0.4–5.9

Exposed

77

35.6

13.4

4.8–37.9

11.3

3.8–34.2

Weakness of extremities c

Control B

4

4.0

1.0

---

---

Control A

12

14.5

0.5

0.2–1.3

Exposed

91

42.1

2.6

1.4–4.9

Other symptoms

Fever

Control B

9

8.9

1.0

---

1.0

---

Control A

7

8.4

0.9

0.3–2.6

1.0

0.4–3.1

Exposed

65

30.1

4.4

2.1–9.3

4.5

1.9–10.3

Loss of appetite c

Control B

9

8.9

1.0

---

---

Control A

4

4.8

0.5

0.2–1.7

Exposed

72

33.3

5.1

2.4–0.7

General fatigue

Control B

27

26.7

1.0

---

1.0

---

Control A

22

26.5

1.0

0.5–1.9

0.9

0.4–1.8

Exposed

116

53.7

3.2

1.9–5.3

3.1

1.7–5.7


a Models adjusted for age, gender, education, smoking, dust allergy, chemical allergy, house on the main road and anxiousness about health effect of oil spill.

b Pr = number of subjects with the specific symptom in the specific exposure category/total number of subjects in that category.

c Numbers in some cells are small, hence adjusted estimates may not be reliable.

Janjua et al. BMC Public Health 2006 6:84   doi:10.1186/1471-2458-6-84

Open Data