Table 2. Demographics for the UK Biobank population.
| Characteristics | No MN | MN | |
|---|---|---|---|
| N | 502407 | 100 | |
| Age at baseline assessment | Median [IQR] | 58 [50–63] | 62 [56–65] |
| Age at last follow-up (death or end of HES data) | Median [IQR] | 68 [60–73] | 70 (65–74) |
| Sex | Male | 273345/502407 (54.4%) | 39/100 (39%) |
| Female | 229062/502407 (45.6%) | 61/100 (61%) | |
| Ethnicity | White | 472608/501509 (94.2%) | 90/100 (90%) |
| Asian | 9877/501509 (2.0%) | 5/100 (5%) | |
| Black | 8059/501509 (1.6%) | 2/100 (2%) | |
| Mixed/Other | 9087/501509 (1.8%) | 3/100 (3%) | |
| Not Known | 1878/501509 (0.4%) | 0/100 (0%) | |
| BMI | Median [IQR] | 26.7 [24.1–29.9] | 27.5 [24.5–30.7] |
| NA | 3104 | 1 | |
| Smoking Status | Prefer not to answer | 2057/501516 (0.4%) | 0/100 (0%) |
| Never | 273472/501516 (54.5%) | 50/100 (50%) | |
| Previous | 173018/501516 (34.5%) | 40/100 (40%) | |
| Current | 52969/501516 (10.6%) | 10/100 (10%) | |
| Alcohol Consumption | Prefer not to answer | 756/501510 (0.2%) | 0/100 (0%) |
| Never | 22377/501510 (4.5%) | 8/100 (8%) | |
| Previous | 18102/501510 (3.6%) | 2/100 (2%) | |
| Current | 460275/501510 (91.8%) | 90/100 (90%) | |
| Alcohol Consumption Frequency | Prefer not to answer | 604/501510 (0.1%) | 0/100 (0%) |
| Daily or almost daily | 101751/501510 (20.3%) | 18/100 (18%) | |
| Three or four times a week | 115422/501510 (23.0%) | 18/100 (18%) | |
| Once or twice a week | 129265/501510 (25.8%) | 27/100 (27%) | |
| One to three times a month | 55848/501510 (11.1%) | 7/100 (7%) | |
| Special occasions | 57989/501510 (11.6%) | 20/100 (20%) | |
| Never | 40631/501510 (8.1%) | 10/100 (10%) | |
| Townsend Deprivation Index | Median [IQR] | -2.1 [-3.6–0.6] | -1.9 [-3.9–0.5] |
| NA | 623 | 0 | |
| Index of Multiple Deprivation | Median [IQR] | 12.8 [7.1–23.3] | 16.5 [8.4–27.6] |
| NA | 12737 | 0 |