The Prevalence of Asthma and Asthma-Like Symptoms among Seasonal Agricultural Workers

Table 2

The distribution of asthma and asthma-like symptoms according to risk factors in multivariate models.

Asthma and asthma-like symptoms	Gender OR (CI 95%)	Smoking OR (CI 95%)	Itching dermatitis and/or eczema OR (CI 95%)	Allergic rhinitis OR (CI 95%)	Family histories of atopy OR (CI 95%)
Wheezing	1.238 (0.875-1.753)	0.884 (0.625-1.250)	1.222 (0.865-1.726)	0.853 (0.603-1.205)	0.922 (0.652-1.352)
Wheezing with breathlessness	1.253 (0.758-2.071)	0.995 (0.603-1.641)	1.252 (0.762-2.057)	0.809 (0.492-1.331)	1.861 (1.129-3.069)
Wheezing without cold	0.785 (0.476-1.293)	0.764 (0.464-1.259)	0.878 (0.535-1.440)	1.517 (0.925-2.489)	0.875 (0.532-1.437)
Woken up with chest tightness	0.819 (0.578-1.162)	0.761 (0.537-1.078)	1.181 (0.835-1.672)	1.115 (0.788-1.578)	1.442 (1.018-2.041)
Woken up with shortness of breath	1.125 (0.793-1.596)	1.133 (0.800-1.606)	1.067 (0.754-1.511)	1.527 (1.079-2.161)	0.839 (0.593-1.188)
Woken up with cough	0.791 (0.559-1.120)	1.028 (0.728-1.452)	1.129 (0.799-1.595)	1.056 (0.747-1.491)	1.060 (0.751-1.497)
Current asthma	1.126 (0.758-1.672)	1.446 (1.071-2.154)	0.921 (0.622-1.365)	0.796 (0.537-1.180)	1.152 (0.777-1.707)
Cumulative asthma	1.143 (0.807-1.620)	1.049 (0.742-1.484)	1.015 (0.718-1.435)	1.495 (1.057-2.114)	1.030 (0.729-1.457)

OR: odds ratio; CI: confidence interval. .