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Table 3 Odds Ratios (OR) for reporting the presence of at least one sensory irritation symptom over the past four weeks, from univariate and multivariate analyses

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

  N Unadjusted OR (95% CI) Adjusted OR (95% CI)‡
Hours worked per week   0.99 (0.96 to 1.04) 1.01 (0.96 to 1.05)
Exposure to SHS at work:    
Not heavily exposed nearly all time 155 1.00 1.00
Heavily exposed nearly all the time 376 4.19 (2.33 to 7.55) 3.26 (1.72 to 6.16)
Household smoking:    
Does not live with smoker 412 1.00 1.00
Lives with smoker 119 1.68 (0.89 to 3.15) 1.08 (0.48 to 2.46)
Smoking status:    
Smoker 120 1.00 1.00
Non-smoker 411 2.31 (1.27 to 4.19) 2.70 (1.21 to 5.99)
Years worked in casinos   0.98 (0.95 to 1.01) 0.99 (0.93 to 1.03)
Gender:    
Male 280 1.00 1.00
Female 251 1.77 (0.98 to 3.20) 1.52 (0.77 to 2.97)
Age:    
16–34 148 1.00 1.00
35–54 313 0.51 (0.24 to 1.08) 0.70 (0.26 to 1.90)
55+ 70 0.50 (0.17 to 1.18) 1.41 (0.31 to 6.34)
Highest qualifications†:    
GCSE D-G or lower 103 1.00 1.00
Degree or higher education qualif 127 3.87 (1.47 to 10.21) 3.09 (1.10 to 8.73)
A levels or ONC/BTEC 144 2.13 (0.97 to 4.66) 2.06 (0.85 to 4.97)
GCSE A-C or equivalent 157 1.69 (0.81 to 3.51) 1.43 (0.63 to 3.22)
  1. ‡All Adjusted Odds Ratios adjusted for other variables presented in the table, using multivariate logistic regression analysis.
  2. †GCSE are qualifications usually taken at the age of 16, at high school. A-levels and ONC/BTEC qualifications are usually taken at the age of 18.