TABLE 2

Patient characteristics

Subjects n1465
Female921 (63)
Age years54.4±16.1
 18–39281 (19)
 40–59586 (40)
 ≥60598 (41)
BMI kg·m−227.6±6.2
 <1845 (3)
 18–24.99512 (35)
 25–29.99473 (32)
 ≥30435 (30)
Physical activity level
 No activity440 (32)
 Occasional528 (38)
 Regular323(23)
 Common or at competition level99 (7)
 Missing data75
Educational level
 Ongoing8 (1)
 No diploma420 (32)
 Certificate of general education (junior high school)413 (31)
 Baccalaureate (high school)200 (15)
 Post-baccalaureate diplomas (bachelor and graduate)285 (21)
 Missing data139
Professional status
 Active596 (42)
 Inactive311 (22)
 Retired511 (36)
 Missing data47
Smoking status
 Current smokers170 (12)
 Ex-smokers424 (29)
 Non-smokers871 (60)
Smoking history pack·years−117.9±14.8
History of atopy
 Personal atopy958 (65)
 Familial atopy566 (39)
Animal exposure
 Domestic animals610 (42)
  Dogs385 (63)
  Cats341 (56)
  Others (rabbits, rodents, birds, …)64 (11)
 Nondomestic animals115 (8)
Housing
 Urban697 (48)
 Rural391 (27)
 Semi-rural377 (26)
Residence proximity to a pollution source148 (10)
Residence proximity to a trunk road290 (20)

Data are presented as n, n (%) or mean±sd. BMI: body mass index.