Table 1.

Basic sociodemographic details

Characteristic	n=1314*
Sex
Female	882 (67%)
Male	432 (33%)
Age (years)	47.9 (13.0)
Ethnicity
Asian (includes any Asian background, eg, Bangladeshi, Chinese, Indian, Pakistani)	84 (6.4%)
Black, African, black British or Caribbean (includes any black background)	29 (2.2%)
Mixed or multiple ethnic groups (includes any mixed background)	20 (1.9%)
White (includes any white background)	1003 (76%)
Another ethnic group (includes any other ethnic group, eg, Arab)	18 (1.4%)
Not recorded	152 (12%)
Smoking status
Current occasional smoker	21 (1.6%)
Current regular smoker	11 (0.8%)
Ex-smoker	105 (8%)
Never smoked	271 (21%)
Not recorded	906 (69%)
Hospital admission
No	1179 (90%)
Yes	134 (10%)
ICU admission
No	1283 (98%)
Yes	31 (2.0%)

*N (%).

ICU, intensive care unit.