Table 1 Participant characteristics
Variable | SI | SI + N |
|---|---|---|
|  | n = 590 | n = 631 |
Age | ||
Mean (SD) | 51.94 (4.31) | 51.80 (4.16) |
Missing | - | - |
Gender (n (%)) | ||
Female | 334 (56.6%) | 353 (55.9%) |
Male | 256 (43.4%) | 278 (44.1%) |
Missing | - | - |
Ethnicity (n (%)) | ||
White | 513 (86.9%) | 547 (86.7%) |
Non-white | 75 (12.8%) | 82 (13.0%) |
Missing | 2 (0.3%) | 2 (0.3%) |
Socioeconomic deprivation score (n (%)) | ||
0 (least deprived) | 326 (55.3%) | 362 (57.4%) |
1 | 145 (24.6%) | 147 (23.3%) |
2 | 71 (12.0%) | 77 (12.2%) |
3 (most deprived) | 19 (3.2%) | 16 (2.5%) |
Missing | 29 (4.9%) | 29 (4.6%) |