Table 2 Descriptive characteristics of the study population
VariablesNursing professionals(n = 448)Other health care professionals(n = 3186)
n (%)n (%)
Age in years (mean, SD)48.6 (10.7)44.9 (12.0)
    Less than 3018 (4.1)311 (10.0)
    30 to less than 45145 (33.0)1360 (43.6)
    45 to less than 60213 (48.5)1121 (35.9)
    60 and above63 (14.4)327 (10.5)
Sex
    Male39 (8.8)1114 (35.5)
    Female403 (91.2)2028 (64.5)
Ethnicity
    Non-Hispanic380 (89.2)2624 (85.4)
    Hispanic46 (10.8)449 (14.6)
Atopy
    No356 (83.4)2540 (83.5)
    Yes71 (16.6)502 (16.5)
Smoking status
    Non-smoker282 (63.7)2101 (66.7)
    Current smoker56 (12.6)273 (8.7)
    Ex-smoker105 (23.7)777 (24.7)
Body mass index
    Normal (<25.0)176 (40.3)1429 (46.0)
    Overweight (25.0–29.9)140 (32.0)1061 (34.1)
    Obese (30 and above)121 (27.7)620 (19.9)
Seniority
    First quartile (mean 6.6 years)62 (14.0)977 (31.1)
    Second quartile (mean 13.8 years)95 (21.4)714 (22.7)
    Third quartile (mean 22.5 years)121 (27.3)775 (24.6)
    Fourth quartile (mean 36.2 years)165 (37.3)681 (21.6)
Reported asthma
    No404 (90.2)3032 (95.2)
    Yes44 (9.8)154 (4.8)
BHR-related symptoms
    No255 (68.7)1896 (72.6)
    Yes116 (31.3)715 (27.4)
  • BHR, bronchial hyper-responsiveness.