Table 3. The final adjusted odds ratio of the prevalence of the obstructive pattern, and allergic symptoms.

Variables			No. (%)	p-value	Adjusted ORa	95% CI	p-value
Obstructive pattern (n = 78)
	Start age
		Under 40 years	66 (85.7%)	0.439
		Over 40 years	11 (14.3%)		0.87	0.35–2.10	0.76
	Cumulative duration
		Under 40 years	47 (60.3%)	0.014
		Over 40 years	31 (39.7%)		0.79	0.38–1.63	0.53
	Mixing pesticides
		No	9 (11.7%)	0.049
		Yes	68 (88.3%)		2.30	1.07–5.46	0.04**
	Protection
		Not wearing	72 (92.3%)	0.012
		Wearing goggle	6 (7.7%)		0.34	0.12–0.79	0.02**
Allergic symptoms (n = 59)
	Start age
		Under 40 years	55 (96.5%)	0.110
		Over 40 years	2 (3.5%)		0.23	0.03–0.85	0.06*
	Cumulative durations
		Under 40 years	36 (61.0%)	0.158
		Over 40 years	23 (39.0%)		0.86	0.40–1.85	0.71
	Mixing pesticides
		No	6 (10.3%)	0.059
		Yes	52 (89.7%)		1.95	0.83–5.35	0.15
	Protection
		Not wearing	58 (98.3%)	0.001
		Wearing goggle	1 (1.7%)		0.08	0.00–0.36	0.01**

OR: odds ratio; CI: confidence interval.

^aAdjusted OR: adjusted for age, smoking status, start age, cumulative duration, mixing pesticides, protection (goggle).

^*p < 0.1, ^**p < 0.05 (significant level).