Controls (n=4196) | Cases (n=2259) | |||
---|---|---|---|---|
N | (%) | N | (%) | |
Mean age (SD) | 69.8 | (11.0) | 70.0 | (11.1) |
Males | 2110 | (50.3) | 1133 | (50.2) |
Socioeconomic quintile* | ||||
1 | 475 | (11.3) | 258 | (11.4) |
2 | 561 | (13.4) | 313 | (13.9) |
3 | 1072 | (25.5) | 574 | (25.4) |
4 | 308 | (7.3) | 159 | (7.0) |
5 | 1780 | (42.4) | 955 | (42.3) |
Smoking status | ||||
Never | 1858 | (44.3) | 374 | (16.6) |
Former | 799 | (19.0) | 674 | (29.8) |
Current | 751 | (17.9) | 966 | (42.8) |
Missing | 788 | (18.8) | 245 | (10.8) |
Body mass index | ||||
<18.5 | 1234 | (29.4) | 623 | (27.6) |
18.5–25 | 1098 | (26.2) | 643 | (28.5) |
25–30 | 1246 | (29.7) | 624 | (27.6) |
>30 | 618 | (14.7) | 369 | (16.3) |
*1=least deprived, 5=most deprived. Based on the Index of Multiple Deprivation score of electoral ward,