Variable factors | Eye irritation OR (95% CI) | General symptomsl OR (95% CI) | Upper respiratory OR (95% CI) | Skin symptomsl OR (95% CI) |
---|---|---|---|---|
N = 2330 | N = 2275 | N = 2260 | N = 2436 | |
Personal | ||||
 Gender (female) | 1.67 (1.23–2.28)** | 1.80 (1.36–2.38)** | 2.27 (1.48–3.48)** | 3.12 (1.48–6.59)** |
 Age | ||||
  10–19 | – | 1.96 (0.19–19.71) | – | – |
  20–29 | – | 3.24 (1.68–6.23)** | – | – |
  30–39 | – | 2.16 (1.16–4.00)* | – | – |
  40–49 | – | 1.66 (0.89–3.11) | – | – |
  50–59 | – | 1.35 (0.71–2.58) | – | – |
   ≥ 60 | – | Ref. | – | – |
   p for trend | – | <0.001 | – | – |
  Contact lens use | 1.59 (1.20–2.10)** | – | 1.73 (1.16–2.57)** | – |
  Pet ownership (Cat) |  |  | – | 2.86 (1.28–6.43)* |
Work environment | ||||
 No. of people in officea | 1.19 (1.03–1.39)* | – | – | – |
 Work station | ||||
 Floor carpet (with) | 1.44 (1.07–1.95)* | 1.53 (1.15–2.05)** | 1.74 (1.10–2.75)* | – |
 Reflection or glare in visionb | 1.25 (1.07–1.45)** | 1.32 (1.13–1.55)** | – | – |
 Chair comfortc | 1.37 (1.13–1.67)** | 1.35 (1.11–1.63)** | 1.74 (1.34–2.27)** | – |
 Work with computer | 5.51 (1.62–18.73)** | – |  |  |
 Use of odorous chemicalsd | 1.11 (1.02–1.21)* | – | – | – |
 Change in workplacee | ||||
 Painted wall |  |  | 4.72 (1.57–14.22)** |  |
Workplace conditions in last 4 weeksf | ||||
 Too little air movement | – | 1.37 (1.21–1.56)** | 1.26 (1.05–1.50)* | – |
 Varying room temperature | 1.23 (1.07–1.42)** | – | – | – |
 Too cold | – | 1.45 (1.21–1.73)** | – | – |
 Air too humid | – | 1.20 (1.02–1.43)* | – | – |
 Air too dry | 1.46 (1.24–1.72)** | – | 1.76 (1.44–2.14)** | 2.71 (2.10–3.51)** |
 Static electricity | – | – | – | – |
 Noise | 1.29 (1.05–1.59)* | 1.54 (1.25–1.88)** | 1.41 (1.09–1.82)** | – |
 Dust and dirt | – | – | 1.26 (1.00–1.58)* | – |
 Tobacco smoke odor | 1.21 (1.02–1.43)* | – | – | – |
 Unpleasant chemical odor | – | – | 1.96 (1.24–3.08)** | 2.60 (1.63–4.15)** |
 Unpleasant other odorg | 1.22 (1.02–1.45)* | 1.35 (1.14–1.61)** | – |  |
Job stressors | ||||
 Amount of workh | 1.34 (1.19–1.51)** | 1.38 (1.23–1.55)** | 1.25 (1.06–1.46)** |  |
 Mental workloadh | – | – |  |  |
 Physical overloadi | 0.70 (0.59–0.83)** | – | – |  |
 Interpersonal conflicth | – | 1.42 (1.21–1.65)** | – | – |
 Job controlh | – | 0.80 (0.70–0.92)** | – | – |
 Skill utilizationj | – | – | – | – |
 Job suitabilityk | – |  | – |  |
 Work satisfactionk | – | 0.76 (0.66–0.88)** | – | – |