. Author manuscript; available in PMC: 2016 Mar 8.

Published in final edited form as: J Allergy Clin Immunol. 2011 Apr 13;127(6):1480–1485. doi: 10.1016/j.jaci.2011.03.014

Table 1.

Cat allergen specific IgE, and rFel d 1-specific IgG and IgG₄ antibody levels amongst children currently living in homes with without cat(s) in the UK and Australian cohort

		Whole population		Cat owner		Not cat owner		p-value (cat owners vs. Non-cat owners)
		Mean	95%CI	Mean	95% CI	Mean	95% CI	p-value (cat owners vs. Non-cat owners)

		UK	Cat-specific IgE	0.26	0.24–0.28	0.31	0.25–0.38	0.24	0.22–0.26	0.01
rFel d 1-specific IgG	1.19		1.15–1.24	1.46	1.30–1.64	1.13	1.09–1.17	< 0.0001
rFel d 1-specific IgG₄	0.12		0.11–0.13	0.13	0.11–0.15	0.12	0.11–0.13	0.30

Australia	Cat-specific IgE	0.30	0.28–0.31	0.30	0.27–0.33	0.29	0.27–0-31	0.33
	rFel d 1-specific IgG	1.19	1.16–1.23	1.28	1.22–1.35	1.13	1.10–1.16	< 0.0001
	rFel d 1-specific IgG₄	0.11	0.10–0.13	0.15	0.12–0.18	0.09	0.08–0.10	< 0.0001