| |
ECRHS I
|
ECRHS II
|
ECRHS III
|
|---|
|
SHS exposed (n = 1164)
|
SHS non-exposed (n = 1847)
|
SHS exposed (n = 694)
|
SHS non-exposed (n = 2317)
|
SHS exposed (n = 215)
|
SHS non-exposed (n = 2796)
|
|---|
|
Sex, female
|
52.0 (605/1164)
|
55.5 (1025/1847)
|
51.9 (360/694)
|
54.8 (1270/2317)
|
58.6 (126/215)
|
53.8 (1504/2796)
|
|
Age, years
|
33.8 (7.5)
|
35.1 (6.9)
|
43.5 (7.3)
|
43.3 (7.1)
|
53.8 (6.9)
|
54.7 (7.2)
|
|
Age completed full time education
|
|
< 17 years
|
19.4 (212/1093)
|
13.8 (232/1686)
|
24.7 (160/649)
|
13.3 (284/2130)
|
29.6 (59/199)
|
14.9 (385/2580)
|
|
17–20 years
|
39.1 (427/1093)
|
33.6 (567/1686)
|
39.8 (258/649)
|
34.6 (736/2130)
|
39.7 (79/199)
|
35.5 (915/2580)
|
|
> 20 years
|
41.5 (454/1093)
|
52.6 (887/1686)
|
35.6 (231/649)
|
52.1 (1110/2130)
|
30.7 (61/199)
|
49.6 (1280/2580)
|
|
Height, cm
|
170.4 (9.8)
|
170.6 (9.5)
|
169.6 (10.0)
|
170.9 (9.5)
|
167.2 (10.2)
|
170.1 (9.7)
|
|
Weight, kg
|
70.2 (14.0)
|
68.7 (13.2)
|
74.5 (15.0)
|
73.6 (14.9)
|
77.7 (14.2)
|
77.6 (16.1)
|
|
Paternal smoking
|
63.3 (714/1128)
|
58.2 (1059/1819)
|
67.2 (452/673)
|
58.1 (1321/2274)
|
72.9 (153/210)
|
59.2 (1620/2737)
|
|
Maternal smoking
|
20.5 (237/1155)
|
20.3 (373/1834)
|
17.8 (123/690)
|
21.2 (487/2299)
|
18.2 (39/214)
|
20.6 (571/2775)
|
|
Allergic sensitisation, IgE
|
26.5 (267/1007)
|
33.8 (538/1593)
|
26.0 (151/581)
|
32.4 (654/2019)
|
28.4 (50/176)
|
31.1 (755/2424)
|
|
Dust/fumes exposure
|
41.8 (484/1159)
|
35.7 (653/1828)
|
42.7 (296/694)
|
39.0 (904/2316)
|
38.5 (77/200)
|
22.1 (572/2583)
|
|
Ex-smoker
|
31.2 (363/1164)
|
28.7 (531/1847)
|
33.3 (231/694)
|
29.5 (684/2317)
|
31.6 (68/215)
|
29.0 (810/2796)
|
|
Smoking status
|
|
Never smoker
|
69.2 (801/1158)
|
71.4 (1316/1844)
|
67.9 (463/682)
|
73.0 (1633/2236)
|
70.0 (147/210)
|
73.3 (1986/2709)
|
|
Ex-smoker with < 15 pack-years
|
23.2 (269/1158)
|
22.3 (412/1844)
|
21.6 (147/682)
|
21.2 (474/2236)
|
16.2 (34/210)
|
20.1 (544/2709)
|
|
Ex-smoker with > = 15 pack-years
|
7.6 (88/1158)
|
6.3 (116/1844)
|
10.6 (72/682)
|
5.8 (129/2236)
|
13.8 (29/210)
|
6.6 (179/2709)
|
|
Asthma, doctor-diagnosed
|
7.1 (82/1160)
|
7.4 (136/1846)
|
10.4 (72/694)
|
10.8 (250/2312)
|
15.0 (32/213)
|
13.8 (385/2792)
|
|
Chronic bronchitis
|
1.4 (16/1162)
|
1.3 (24/1846)
|
2.3 (16/693)
|
1.2 (27/2314)
|
4.2 (9/215)
|
2.1 (59/2789)
|
|
COPD, FEV1/FVC < 0.7
|
2.7 (29/1078)
|
3.4 (59/1731)
|
2.5 (16/630)
|
4.4 (89/2042)
|
9.3 (18/193)
|
10.8 (264/2448)
|
|
COPD, FEV1/FVC < GLI LLN
|
4.6 (50/1077)
|
4.5 (78/1731)
|
2.2 (14/629)
|
3.8 (77/2038)
|
5.7 (11/193)
|
5.8 (142/2445)
|
|
Asthma symptom score
|
|
0
|
74.8 (866/1157)
|
76.0 (1392/1831)
|
67.9 (468/689)
|
75.0 (1723/2298)
|
65.6 (137/209)
|
72.7 (1974/2714)
|
|
1
|
14.1 (163/1157)
|
13.0 (238/1831)
|
18.3 (126/689)
|
13.6 (313/2298)
|
16.7 (35/209)
|
16.8 (455/2714)
|
|
2
|
5.7 (66/1157)
|
5.4 (99/1831)
|
6.7 (46/689)
|
5.9 (136/2298)
|
7.7 (16/209)
|
6.0 (163/2714)
|
|
3
|
2.9 (33/1157)
|
2.8 (51/1831)
|
3.5 (24/689)
|
3.1 (72/2298)
|
4.8 (10/209)
|
2.5 (67/2714)
|
|
4
|
1.6 (18/1157)
|
1.6 (30/1831)
|
2.5 (17/689)
|
1.6 (36/2298)
|
3.3 (7/209)
|
1.0 (26/2714)
|
|
5
|
1.0 (11/1157)
|
1.1 (21/1831)
|
1.2 (8/689)
|
0.8 (18/2298)
|
1.9 (4/209)
|
1.1 (29/2714)
|
|
Dyspnoea
|
4.6 (54/1163)
|
4.9 (90/1847)
|
6.5 (45/694)
|
5.2 (120/2310)
|
9.0 (19/211)
|
5.2 (142/2743)
|
|
Cough
|
33.6 (390/1159)
|
29.7 (547/1842)
|
35.3 (244/692)
|
31.7 (733/2312)
|
40.1 (85/212)
|
33.7 (936/2778)
|
|
Sputum
|
11.2 (129/1153)
|
10.1 (185/1827)
|
12.0 (83/692)
|
10.0 (230/2298)
|
15.2 (32/211)
|
10.9 (302/2769)
|
|
FEV1, ml
|
3800 (824)
|
3781 (835)
|
3522 (805)
|
3595 (819)
|
3028 (756)
|
3123 (778)
|
|
FVC, ml
|
4573 (1032)
|
4591 (1058)
|
4306 (1000)
|
4458(1030)
|
3904 (995)
|
4063 (993)
|
|
FEV1/FVC, %
|
83.5 (6.7)
|
82.8 (6.5)
|
82.1 (5.9)
|
80.9 (6.1)
|
77.6 (5.6)
|
77.0 (5.7)
|
- astratified by exposure to second-hand smoke (SHS) and presented as % (n/N) for categorical variables and mean (SD) for continuous variables, respectively
