Table 3

 Estimated crude odds ratios (cOR) and adjusted odds ratios (aOR) between otitis media, tonsillopharyngitis, and lower respiratory infections in the Oslo Birth Cohort of 10 year old children (n = 3406)

Otitis mediaTonsillopharyngitisLower respiratory infection
cORaORcORaORcORaOR
Otitis mediaRef.Ref.
Tonsillopharyngitis3.1 (2.6–3.9)2.8 (2.3–3.5)Ref.Ref.
Lower respiratory infection3.5 (2.7–4.6)2.9 (2.1–3.8)2.6 (2.0–3.3)2.3 (1.3–1.9)Ref.Ref.