Age in years2 (Mean ± S.D.)
|
62.0 ± 13.7
|
63.4 ± 12.3
|
Years of formal education (Mean ± S.D.)
|
3.5 ± 4.2
|
3.8 ± 4.8
|
Servings of fruit weekly (median, IQR)
|
3.9, 6.8
|
7.8, 10.1
|
Servings of vegetable weekly (median, IQR)
|
18.1, 16.0
|
20.6, 20.1
|
Birthplace
| | |
Singapore/Malaysia
|
82 (65.1)
|
130 (80.2)
|
China/other
|
44 (34.9)
|
32 (19.8)
|
Exposure to environmental tobacco smoke at home
| | |
Daily
|
46 (36.5)
|
72 (44.4)
|
Weekly < daily
|
16 (12.7)
|
15 (9.3)
|
Less than weekly
|
64 (50.8)
|
75 (46.3)
|
Histological subtype
| | |
Squamous/small cell carcinoma
|
14 (11.9)
| |
Adenocarcinoma
|
85 (72.0)
| |
Large cell undifferentiated/Not otherwise specified
|
19 (16.1)
| |