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Table 4 Associations between weekly building-related symptoms and the work environment (Model 2)

From: Evaluating prevalence and risk factors of building-related symptoms among office workers: Seasonal characteristics of symptoms and psychosocial and physical environmental factors

Variable factors Eye irritation
OR (95% CI)
General symptoms
OR (95% CI)
Upper respiratory
OR (95% CI)
Skin symptoms
OR (95% CI)
N = 2332 N = 2275 N = 2262 N = 2438
No. of people in officea 1.16 (1.00–1.36) 1.13 (0.97–1.31) 1.11 (0.89–1.38) 1.15 (0.81–1.64)
Work station
 Floor carpet (with) 1.53 (1.13–2.06)** 1.56 (1.17–2.08) ** 1.77 (1.13–2.78) * 3.07 (1.30–7.27) *
 Lightingb 0.77 (0.58–1.01) 0.89 (0.68–1.17) 0.64 (0.45–0.93)* 0.62 (0.35–1.09)
 Reflection or glare in visionc 1.42 (1.23–1.66)** 1.48 (1.27–1.72)** 1.49 (1.22–1.82) ** 1.61 (1.21–2.16) **
 Table comfortd 1.03 (0.82–1.31) 1.07 (0.85–1.35) 0.88 (0.63–1.22) 1.31 (0.78–2.18)
 Chair comfortd 1.48 (1.19–1.86)** 1.58 (1.27–1.96)** 2.06 (1.53–2.79)** 1.18 (0.72–1.95)
 Work with computer 3.53 (1.03–12.18) * 1.41 (0.66–3.03)   
 Use of odorous chemicalse 1.14 (1.05–1.23)** 1.10 (1.02–1.19)* 1.06 (0.94–1.19) 0.98 (0.81–1.19)
Change in workplacef
 New carpeting 0.99 (0.36–2.75)   0.52 (0.11–2.40)  
 Painted wall    5.96 (1.16–30.64)*  
 New furniture 0.88 (0.48–1.63)   1.06 (0.44–2.56)  
 New wall covering 1.19 (0.43–3.28)   1.19 (0.22–6.47)  
 Water damage     1.32 (0.40–4.35)
Equipment/installation
 Laser printerg 1.11 (0.83–1.50) 0.96 (0.72–1.29)   
 Bubble jet printerg 1.05 (0.79–1.40) 1.02 (0.77–1.36)   1.71 (0.92–3.18)
 Copierg 1.25 (0.92–1.70) 1.33 (0.99–1.78) 1.20 (0.81–1.77) 1.64 (0.88–3.07)
 Exterior windowg    0.79 (0.54–1.16)  
 Doorg 0.71 (0.52–0.97)    
 Fragranceh     1.59 (0.59–4.26)
 Air freshenerh   1.04 (0.71–1.44) 1.15 (0.67–1.98)  
 Repellenth    1.15 (0.66–2.03) 0.63 (0.23–1.72)
  1. Values are expressed as adjusted odds ratios (95% CI) for participants with complete data. Values are adjusted for personal factors and job stressors with p < 0.2 in univariate analyses using multivariate regression analysis. Ref. = referent. Significant at * p < 0.05, ** p < 0.01. Text in parentheses reflects case groups
  2. a Number of people working in the room in which workstation of respondent is located. Six levels of response are 1) 1 person, 2) 2–3 persons, 3) 4–7 persons, 4) 8–20 persons, 5) 21–50 persons, and 6) ≥ 51 persons
  3. b Five levels of response are 1) much too dim, 2) a little too dim, 3) Just right, 4) a little too bright, and 5) much too bright
  4. c Five levels of response are 1) rarely, 2) occasionally, 3) sometimes, 4) fairly often, and 5) very often
  5. d Four levels of response are 1) very comfortable, 2) reasonably comfortable, 3) somewhat uncomfortable, and 4) very uncomfortable
  6. e Five levels of response are 1) never, 2) less than 3 times/week, 3) 3–4 times a week, 4) about once a week, and 5) several times a day; with cleanser, glue, correction fluid, or other odorous chemicals
  7. f Change taken place within five meters of workstation in last 3 months
  8. g Within two meters of workstation
  9. h In workplace indoors