Table 4: Odds ratios of respiratory complaints in tear gas exposed group.

ParameterOdds ratio95% confidence interval

Chest tightness last year2.4931.2514.971
Exercise dyspnea last year1.9001.0963.292
Dyspnea on level ground1.9781.2983.013
Winter morning cough2.4421.1535.172
Winter morning phlegm2.4701.0865.613
Winter daily phlegm2.0211.1343.601