Table 2.

Odds ratios (ORs) for sensitization to birch, timothy, cat and dog at 8 years of age if sensitized to different allergens at 4 years of age

	Birch sensitized at 8 years (N=312)		Timothy sensitized at 8 years (N=291)		Cat sensitized at 8 years (N=255)		Dog sensitized at 8 years (N=233)
Sensitized at 4	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Birch, N=190I
Adjusted I	521	209–1299	18	13–26	18	13–26	25	18–36
Adjusted II	253	89–645	5.6	3.4–9.2	5.1	3.0–8.7	6.2	3.7–10
Timothy, N=122
Adjusted I	19	12–30	56.1	32–98	8.9	6.0–13	19	2.2–28
Adjusted II	3.7	1.8–7.7	25	13.0–47.0	1.8	0.9–3.5	5	2.7–9.0
Mugwort, N=32
Adjusted I	178	24–1315	206	28–1527	15	7.0–33	29	12–69
Adjusted II	22	1.8–264	20	2.0–238	0.8	0.2–2.5	1.1	0.3–3.9
Mould, N=20
Adjusted I	49	11–216	10.3	3.8–28	40	11–140	17	6.3–48
Adjusted II	7.9	0.7–90	0.3	0.1–1.5	13	2.0–32	0.5	0.1–2.9
Cat, N=120
Adjusted I	24	15–38.2	11.8	7.8–18	182	83–399	43	27–70
Adjusted II	3.1	1.2–7.8	1.5	0.7–3.1	68	26–177	4.6	2.3–9.2
Dog, N=96
Adjusted I	23	14–39	15.8	9.8–25	44	25–77	124	57–264
Adjusted II	2.1	0.7–6.2	2.2	0.9–5.4	4	1.6–10.3	18	7.0–47
Horse, N=64
Adjusted I	31	15–62	12.9	7.3–23	41	21–83	63	29–136
Adjusted II	1.1	0.3–4.5	1.8	0.7–4.5	2.5	0.9–6.9	3.0	1.1–8.2
Mites, N=36
Adjusted I	3.9	1.9–7.6	2.4	1.2–5.0	2.2	1.1–4.8	3.8	1.9–7.7
Adjusted II	1.0	0.25–3.5	0.3	0.1–1.1	0.1	0.02–0.5	0.6	0.2–2.2
Fx5®, N=335
Adjusted I	5.8	4.4–7.6	5.2	3.9–7.0	5.2	3.9–7.0	7.1	5.2–9.6
Adjusted II	1.7	1.0–2.8	1.8	1.2–2.7	1.7	1.1–2.6	2.2	1.4–3.4

Adjustments are made (I) parental allergy and sex, and (II) as in (I) but also for each inhalant allergen tested and fx5®.CI, confidence interval.