Table 3.

Factors Associated with Self-reported VGDF Discordance, Over-Reporting and Under-Reporting in 199 Subjects with the Same Job in Both Waves

	Discordant VGDF		Over-Report VGDF *		Under-Report VDGF **
	n = 199		N = 49/182		n = 17/150
Factors	OR	95% CI	OR	95% CI	OR	95% CI
Age, per 10 years	2.2	1.4, 3.6	1.1	0.7, 1.8	0.8	0.4, 1.5
Female	2.5	1.2, 5.5	0.9	0.4, 1.9	2.4	0.7, 8.8
White, non-Hispanic	0.6	0.3, 1.4	0.9	0.4, 2.0	1.0	0.3, 3.2
High School Graduate or less	0.6	0.2, 2.0	0.6	0.1, 2.4	0.3	0.0, 2.6
Never Smoked v. Ever Smoked	0.8	0.4, 1.5	0.7	0.3, 1.5	2.2	0.6, 8.8
Selected trades† v. all others	1.1	0.4, 2.6	0.3	0.1, 1.1	4.0	1.2, 13.5
Disease Status
Asthma with Rhinitis (referent)	1.0	--	1.0	--	1.0	--
Asthma Only	0.8	0.3, 2.0	0.7	0.2, 2.1	1.2	0.3, 4.7
Rhinitis Only	3.6	1.4, 9.0	3.9	1.6, 9.4	0.6	0.1, 5.3

^*Over-report = Self-reported VGDF, JEM classification low. Excludes 17 subjects who under-reported VGDF.

^**Under-report = No self-reported VGDF, JEM classification is moderate/high. Excludes 49 subjects who over reported VGDF exposure.

^†Selected trades = Technician, service, manufacturing, construction, agriculture.