Skip to main content

Advertisement

Table 4 Video questionnaire responses: current study versus Cape Town ISAAC Phase III*, ages 13 to 14 years

From: Meteorologically estimated exposure but not distance predicts asthma symptoms in schoolchildren in the environs of a petrochemical refinery: a cross-sectional study

Video Question N Recent
% (n)
Frequent
% (n)
Wheezing at rest
Current study 823 17.1 (141) 8.1 (67)
2002 ISAAC 270 8.9 (24) 4.1 (11)
OR**(95% CI)   2.12 (1.34-3.35) 2.09 (1.09-4.01)
Waking with wheezing at night
Current study 815 27.4 (224) 15.5 (127)
2002 ISAAC 270 4.1 (11) 2.2 (6)
OR (95% CI)   8.92 (4.79-16.63) 8.12 (3.54 - 18.65)
Waking with coughing at night
Current study 817 18.2 (149) 7.2 (59)
2002 ISAAC 270 12.9 (35) 4.8 (13)
OR (95% CI)   1.50 (1.01-2.23) 1.54 (0.83-2.86)
Distressing wheeze at rest
Current study 815 8.8 (72) 4.0 (33)
2002 ISAAC 270 5.9 (16) 1.9 (5)
OR (95% CI)   1.54 (0.88-2.69) 2.24 (0.86 - 5.79)
  1. Recent: in the last 12 months. Frequent: at least monthly in the last 12 months.
  2. * Higher socioeconomic status areas.
  3. **Odds ratio with 95% confidence interval: 2002 study as referent.