Table 1 Baseline demographics of PNA and IDK nonresponders
Characteristic | No PNA (N = 328,843) | PNA (N = 31,785) | No IDK (N = 118,928) | IDK (N = 241,700) | |
|---|---|---|---|---|---|
Mean age (s.d.) - yr | 56.64 (8.00) | 58.55 (7.84) | 55.49 (8.08) | 57.46 (7.89) | |
Age group - no. (%) | ≤51 yr | 93,859 (28.54) | 6,678 (21.01) | 40,217 (33.82) | 60,320 (24.96) |
51 < yr ≤ 58 | 77,607 (23.60) | 6,517 (20.50) | 29,220 (24.57) | 54,904 (22.72) | |
58 < yr ≤ 63 | 80,082 (24.35) | 8,151 (25.64) | 26,638 (22.40) | 61,595 (25.48) | |
yr > 63 | 77,295 (23.51) | 10,439 (32.84) | 22,853 (19.22) | 64,881 (26.84) | |
Female sex - no. (%) | 175,701 (53.43) | 18,166 (57.15) | 66,000 (55.50) | 127,867 (52.90) | |
Participants in UK Regions - no. (%) | East Midlands | 23,476 (7.14) | 2,419 (7.61) | 8,336 (7.01) | 17,559 (7.26) |
London | 21,953 (6.68) | 2,139 (6.73) | 8,340 (7.01) | 15,752 (6.52) | |
North East | 38,720 (11.77) | 3,990 (12.55) | 13,859 (11.65) | 28,851 (11.94) | |
North West | 50,212 (15.27) | 5,276 (16.60) | 17,009 (14.30) | 38,479 (15.92) | |
Scotland | 25,216 (7.67) | 2,416 (7.60) | 9,293 (7.81) | 18,339 (7.59) | |
South East | 30,905 (9.39) | 2,603 (8.19) | 11,762 (9.89) | 21,746 (9.00) | |
South West | 45,626 (13.87) | 3,659 (11.51) | 17,246 (14.50) | 32,039 (13.26) | |
Wales | 13,804 (4.20) | 1,311 (4.12) | 4,981 (4.19) | 10,134 (4.19) | |
West Midlands | 28,499 (8.67) | 3,186 (10.02) | 10,051 (8.45) | 21,634 (8.95) | |
Yorkshire | 50,432 (15.34) | 4,786 (15.06) | 18,051 (15.18) | 37,167 (15.38) | |
College/University degree - no. (%) | 110,011 (33.45) | 5,924 (18.73) | 44,890 (37.75) | 71,075 (29.41) | |
Mean Townsend Deprivation Index (s.d.) | −1.59 (2.92) | −0.72 (3.34) | −1.72 (2.83) | −1.41 (3.02) | |
