Table 4—

Comparison of characteristics of subjects with clinical diagnosis of allergic rhinitis at step two of the study, who reported, or did not report, a previous physician-based diagnosis of allergic rhinitis and crude odds ratios (OR) for the risk of being diagnosed with allergic rhinitis

Undiagnosed patientsDiagnosed patientsTotal nCrude OR (95% CI)
Patients n187224411
Age#,¶38.136.84110.992 (0.978–1.007)
Female78 (41.7)116 (51.8)4111.501 (1.015–2.220)
Employed20 (19.4)25 (15.5)2640.763 (0.399–1.459)
Smokers67 (35.8)51 (22.8)4110.528 (0.343–0.814)
Self-reported asthma24 (12.8)60 (26.8)4112.485 (1.476–4.182)
SAR80 (42.8)122 (54.5)4111.600 (1.082–2.366)
ARIA persistent+40 (21.6)79 (35.7)4062.017 (1.292–3.148)
Disease duration ≤5 yrs§24 (41.4)58 (25.9)2820.495 (0.271–0.904)
Runny nose (disturbing)78 (42.9)139 (62.6)4042.233 (1.497–3.332)
Blocked nose (disturbing)103 (56.6)128 (59.3)3981.116 (0.748–1.663)
Itchy nose (disturbing)55 (30.6)84 (38.2)4001.404 (0.924–2.132)
Sneezing (disturbing)68 (37.2)131 (59.0)4052.435 (1.629–3.638)
Irritated eyes (disturbing)74 (41.1)126 (57.0)4011.900 (1.275–2.831)
Total severity score#,ƒ1.31.64112.305 (1.655–3.210)
Symptoms on exposure
 Indoor79 (42.2)112 (50.0)4111.367 (0.925–2.021)
 Outdoor76 (40.6)159 (71.0)4113.573 (2.370–5.385)
Family history of allergic rhinitis62 (38.0)92 (46.0)3631.388 (0.911–2.114)
Family history of any allergic conditions117 (69.6)141 (68.1)3750.931 (0.600–1.446)
Registration with GP149 (82.3)170 (79.4)3950.830 (0.500–1.376)
Travel to physician difficult16 (8.9)29 (13.6)3941.607 (0.843–3.064)
Positive IgE test
 Grass pollen80 (42.8)134 (60.1)4102.014 (1.357–2.988)
 Tree pollen47 (25.1)90 (40.4)4102.016 (1.318–3.084)
 Weed pollen35 (18.7)76 (34.1)4102.245 (1.417–3.557)
 Mould19 (10.2)22 (9.9)4100.968 (0.507–1.849)
 Animal36 (19.3)69 (30.9)4101.879 (1.185–2.981)
 Dust mites83 (44.4)117 (52.5)4101.383 (0.936–2.043)
 Number of positive tests##1.62.34101.340 (1.171–1.533)
  • Data are presented as n (%) unless otherwise stated. CI: confidence interval; SAR: seasonal allergic rhinitis; GP: general practitioner; Ig: immunoglobulin. #: mean; : change in OR for one additional year; +: as classified by Allergic Rhinitis and its Impact on Asthma (ARIA) study; §: disease duration available only for subjects self-aware of allergic rhinitis; ƒ: change in OR for one additional unit on the mean severity score; ##: change in OR for one additional positive IgE test