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Table 4 Association of health-protection information received with frequency of acute health problems.

From: Association between health information, use of protective devices and occurrence of acute health problems in the Prestige oil spill clean-up in Asturias and Cantabria (Spain): a cross-sectional study

  Total (N = 799)
Symptoms Uninformed1
(N = 151)
Informed
(N = 648)
Univariate analysis2 Multivariate analysis2
  Cases Cases OR3 95%CI3 OR4 95%CI4
Lesions 15 58 1.67 0.75 – 3.72 1.53 0.68 – 3.41
Lower back pain 18 32 1.38 0.61 – 3.12 1.32 0.56 – 3.10
Headaches 33 70 1.77 0.90 – 3.50 1.66 0.83 – 3.34
Itchy eyes 18 28 2.89 1.21 – 6.90 2.67 1.13 – 6.28
Nausea/vomiting/dizziness 30 69 2.25 1.17 – 4.32 2.09 1.07 – 4.08
Throat and respiratory problems 32 68 2.30 1.15 – 4.61 2.08 1.02 – 4.24
  Paid workers (N = 265)
  Uninformed1
(N = 44)
Informed
(N = 221)
Univariate analysis2 Multivariate analysis2
  Cases Cases OR3 95%CI3 OR4 95%CI4
Lesions 2 21 0.43 0.09 – 1.97 0.39 0.08 – 1.92
Lower back pain 8 9 5.04 1.78 – 14.28 4.28 1.53 – 12.02
Headaches 15 25 3.86 1.74 – 8.54 3.58 1.55 – 8.24
Itchy eyes 4 13 1.28 0.38 – 4.29 1.28 0.39 – 4.16
Nausea/vomiting/dizziness 11 27 2.18 0.92 – 5.20 2.26 0.97 – 5.22
Throat and respiratory problems 10 20 2.43 1.02 – 5.79 2.29 0.95 – 5.54
  Volunteers (N = 266)
  Uninformed1
(N = 37)
Informed
(N = 229)
Univariate analysis2 Multivariate analysis2
  Cases Cases OR3 95%CI3 OR4 95%CI4
Lesions 3 6 2.58 0.56 – 11.97 2.57 0.56 – 11.80
Lower back pain 1 15 0.50 0.06 – 3.95 0.57 0.07 – 5.01
Headaches 4 13 1.48 0.39 – 5.61 1.70 0.44 – 6.65
Itchy eyes 3 8 2.53 0.63 – 10.15 2.24 0.55 – 9.05
Nausea/vomiting/dizziness 7 17 2.49 0.92 – 6.73 2.23 0.79 – 6.28
Throat and respiratory problems 5 13 2.96 0.91 – 9.64 3.17 0.96 – 10.50
  Seamen (N = 133)
  Uninformed1
(N = 49)
Informed
(N = 84)
Univariate analysis2 Multivariate analysis2
  Cases Cases OR3 95%CI3 OR4 95%CI4
Lesions 5 5 1.81 0.49 – 6.71 1.91 0.52 – 7.08
Lower back pain 6 6 1.83 0.55 – 6.11 2.16 0.66 – 7.07
Headaches 11 27 0.64 0.28 – 1.46 0.58 0.25 – 1.35
Itchy eyes 7 5 2.65 0.78 – 9.02 2.75 0.78 – 9.74
Nausea/vomiting/dizziness 7 14 0.89 0.33 – 2.43 0.82 0.29 – 2.30
Throat and respiratory problems 13 27 0.77 0.35 – 1.70 0.69 0.31 – 1.54
  Bird cleaners (N = 135)
  Uninformed1
(N = 21)
Informed
(N = 114)
Univariate analysis2 Multivariate analysis2
  Cases Cases OR3 95%CI3 OR4 95%CI4
Lesions 5 26 1.59 0.54 – 4.74 1.30 0.37 – 4.58
Lower back pain 3 2 7.89 1.13 – 55.33 9.29 1.14 – 75.55
Headaches 3 5 4.47 0.93 – 21.55 4.51 0.83 – 24.46
Itchy eyes 4 2 12.23 1.91 – 78.42 18.37 2.58 – 130.76
Nausea/vomiting/dizziness 5 11 2.73 0.80 – 9.35 2.52 0.70 – 9.06
Throat and respiratory problems 4 8 3.62 0.94 – 14.01 3.65 0.69 – 19.35
  1. 1 Includes subjects informed after the activity had commenced.
  2. 2 Estimators extracted from logistic regression including the corresponding symptom as the dependent variable, and briefing status as the explanatory variable.
  3. 3 OR – (95%) CI = odds ratio (uninformed versus informed) – 95% confidence interval.
  4. 4 OR – (95%) CI = odds ratio (uninformed versus informed) adjusted for time worked in high- and low-pollution areas -95% confidence interval.