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Table 2 Adjusted‡ Odds Ratios (95% CI) for reporting sensory or respiratory symptoms by self-reported frequency and intensity of exposure to SHS at work n = 559

From: Health impacts of exposure to second hand smoke (SHS) amongst a highly exposed workforce: survey of London casino workers

  Frequency of exposure to SHS at work Intensity of exposure to SHS at work
Sensory irritation symptoms Never/Sometimes exposed Often exposed Nearly always exposed Linear trend test p-value Nil/Light Moderate Heavy Linear trend test p-value
Red or irritated eyes 1.00 1.22 (0.43 to 3.48) 4.01 (1.63 to 9.88) < 0.0001 1.00 1.49 (0.57 to 3.90) 5.95 (2.36 to 14.96) < 0.0001
Runny nose, sneezing or nose irritation 1.00 1.49 (0.53 to 4.20) 3.10 (1.28 to 7.50) 0.008 1.00 2.54 (0.98 to 6.60) 4.02 (1.63 to 9.94) 0.006
Sore or scratchy throat 1.00 0.45 (0.16 to 1.23) 1.49 (0.62 to 3.59) < 0.0001 1.00 1.24 (0.50 to 3.07) 3.25 (1.37 to 7.74) < 0.0001
Respiratory irritation symptoms         
Wheezing or whistling in chest 1.00 1.64 (0.57 to 4.71) 1.99 (0.80 to 4.94) 0.30 1.00 1.45 (0.52 to 4.01) 2.47 (0.94 to 6.46) 0.03
Felt short of breath 1.00 0.49 (0.18 to 1.33) 1.19 (0.52 to 2.71) 0.02 1.00 1.29 (0.49 to 3.37) 2.88 (1.16 to 7.13) 0.001
Cough first thing in morning 1.00 1.14 (0.40 to 3.25) 1.48 (0.60 to 3.63) 0.53 1.00 2.86 (0.88 to 9.36) 4.14 (1.33 to 12.94) 0.02
  1. ‡ Odds Ratios adjusted for smoking status, living with a smoker, years worked in casinos, gender, age, and highest level of qualifications using multivariate logistic regression analysis.