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Table 11 Odds ratios and confidence intervals for respiratory disorders between exposed and unexposed residents

From: Cluster of systemic lupus erythematosus (SLE) associated with an oil field waste site: a cross sectional study

  Exposed Unexposed   95%  
  N(%) or mean ± s.d. N(%) or mean ± s.d. Odds Ratio Confidence Interval P-value
Pneumonia* 11(13.58) 18(13.95) 1.19 0.45, 3.15 0.72
Pleurisy* 5 (6.33) 4 (3.10) 1.48 0.29, 7.61 0.64
Chronic bronchitis* 16 (19.75) 3 (2.33) 17.4 4.06, 74.35 0.0001
Dry cough** 4.64 ± 3.21 2.36 ± 1.74 5.06 2.67, 9.60 <0.0001
Cough with mucous** 4.73 ± 3.51 2.79 ± 1.75 2.6 1.43, 4.73 0.002
Cough with Blood** 2.30 ± 2.55 1.11 ± 0.45 11.8 4.33, 32.03 <0.0001
Asthma Diagnosed by MD* 11 (13.41) 17 (13.18) 2.13 0.78, 5.82 0.14
Rhinitis* 24 (29.63) 21 (16.28) 3.45 1.49, 8.01 0.004
Sinusitis range** 4.57 ± 3.71 2.50 ± 1.91 2.62 1.43, 4.79 0.002
Short of Breath at Rest* 23 (27.38) 4 (3.10) 11.3 3.11, 40.98 0.0002
Short of Breath on Walking* 40 (48.19) 6 (4.65) 34.3 10.52, 112.09 <0.0001
Short of Breath Climbing Stairs* 52 (62.65) 34 (26.36) 6.17 2.81, 13.56 <0.0001
Wheezing* 24 (28.57) 7 (5.43) 19.2 5.59, 65.98 <0.0001
  1. *Odds ratio and confidence intervals are estimated using logistic regression
  2. ** Odds ratio and confidence intervals are estimated using multinomial logistic regression models with generalized estimating equations (GEE); odds ratio interpreted as the odds of exposed being in a higher category compared to unexposed. Respondents were asked to "score each question on a scale of 1 – 11, one representing never and 11 representing always.
  3. Controlled for age, gender, race/ethnicity, education and smoking history