Table 1

Characteristics of participants in the CEANS cohort from Stockholm County in relation to road traffic noise exposure at recruitment

Characteristics (%)Road traffic noise exposure at recruitmentP value
<45 dB≥45 dB
Background characteristics973810 274
Gender (males)4418 (45)4104 (40) <0.001
Age (years) <0.001
 <40605 (6)276 (3)
 40–606414 (66)4111 (40)
 60–802606 (27)5088 (50)
 ≥80113 (1)799 (8)
Working status <0.001
 Gainfully employed7816 (80)6122 (60)
 Unemployed633 (7)526 (5)
 Retired1289 (13)3626 (35)
Occupation <0.001
 Blue collar worker2782 (29)2685 (26)
 Low and intermediate level white collar worker and self-employed5214 (54)5454 (53)
 High level white collar worker (and self-employed professionals with academic degree)1742 (18)2135 (21)
Smoking status 0.532
 Current2176 (22)2230 (22)
 Former3607 (37)3855 (38)
 Never3955 (41)4189 (41)
Physical activity during leisure time <0.001
 Once a month or less/ <1 hour/week6047 (62)6803 (66)
 About once a week /~1 hour/week2892 (30)2682 (26)
 3 times a week or more/ >2 hours/week799 (8)789 (8)
Alcohol consumption <0.001
 Daily546 (6)815 (8)
 Weekly5891 (60)5587 (54)
 Seldom2925 (30)3268 (32)
 Never376 (4)604 (6)
Education level 0.007
 Primary school3000 (31)3095 (30)
 Secondary school3672 (38)3730 (36)
 University degree or higher3066 (31)3449 (34)
Marital status, (single)1843 (19)3711 (36) <0.001
Aircraft noise exposure, dB <0.001
 <458321 (85)8055 (78)
 45–50707 (7)1123 (11)
 50–55593 (6)961 (9)
 ≥55117 (1)135 (1)
Railway noise exposure, dB <0.001
 <458837 (91)7938 (77)
 45–50377 (4)1129 (11)
 50–55242 (2)630 (6)
 ≥55282 (3)577 (6)