Region of residence
| | |
Fukuoka Prefecture
|
970
|
55.6
|
Other than Fukuoka Prefecture in Kyushu
|
593
|
34.0
|
Okinawa Prefecture
|
182
|
10.4
|
Pack-years of smoking
| | |
None
|
1182
|
67.7
|
0.05-3.9
|
263
|
15.1
|
≥ 4.0
|
300
|
17.2
|
Ever secondhand smoke exposure at home
|
1315
|
75.4
|
Ever secondhand smoke exposure at work
|
1105
|
63.3
|
Family history of asthma
|
330
|
18.9
|
Family history of atopic eczema
|
302
|
17.3
|
Family history of allergic rhinitis
|
759
|
43.5
|
Household income (yen/year)
| | |
< 4,000,000
|
632
|
36.2
|
4,000,000-5,999,999
|
620
|
35.5
|
≥ 6,000,000
|
493
|
28.3
|
Education (years)
| | |
< 13
|
429
|
24.6
|
13-14
|
576
|
33.0
|
≥ 15
|
740
|
42.4
|
Total no. siblings
| | |
0
|
94
|
5.4
|
1
|
788
|
45.2
|
2
|
688
|
39.4
|
≥ 3
|
175
|
10.3
|
No. older siblings
| | |
0
|
829
|
47.5
|
1
|
622
|
35.6
|
≥ 2
|
294
|
16.9
|
No. younger siblings
| | |
0
|
695
|
39.8
|
1
|
695
|
39.8
|
≥ 2
|
355
|
20.3
|