Table 2

Characteristics of subjects of the PAQUID cohort deaths on days with low and high air pollution in Bordeaux

Deaths on low air pollution days n=55 (100%)Deaths on high air pollution days n=51 (100%)p value
*Data available for 82 subjects only.
Age of death (mean, years)84.084.80.59
Age of death group
    65–74 years6 (10.9)5 (9.8)
    75–84 years22 (40.0)14 (27.5)0.34
    ⩾85 years27 (49.1)32 (62.7)
Gender
    Men36 (65.5)23 (45.1)0.04
    Women19 (34.5)28 (54.9)
Marital status
    Married/co-habitation31 (56.3)25 (49.0)
    Widowed20 (36.4)20 (39.2)0.64
    Single/divorced/separated4 (7.3)6 (11.8)
Educational level
    No school/primary without diploma13 (23.6)17 (33.3)0.27
    Primary with diploma42 (76.4)34 (66.7)
Occupational
    Domestic employees, women at home5 (9.1)14 (27.5)
    Blue collar workers20 (36.3)12 (23.5)
    Craftsmen, shopkeepers6 (10.9)8 (15.7)0.10
    Other employees15 (27.3)10 (19.6)
    Intellectual occupation9 (16.4)7 (13.7)
Smoking habits
    No smoker10 (18.2)3 (5.9)0.15
    Former smoker19 (34.6)25 (41.2)
    Current smoker26 (47.2)27 (52.9)
BMI (kg/m2)24.022.40.46
Asthma
    Yes2 (3.6)1 (2.0)
    No53 (96.4)50 (98.0)
Heart failure
    Yes2 (3.6)4 (7.8)0.35
    No53 (96.4)47 (92.2)
Dyspnoea
    Yes27 (49.1)25 (49.0)0.99
    No28 (50.9)26 (51.0)
Depressive symptoms
    Yes16 (29.1)16 (31.4)0.80
    No39 (70.9)35 (68.6)
Death in a medical unit*
    Yes30 (71.4)29 (72.5)0.91
    No12 (28.6)11 (27.5)
Cause of death
    Cardiovascular23 (41.8)23 (45.10)0.73
    Respiratory5 (9.1)4 (7.8)0.82