Table 1.
Characteristic | All (n=119 669) | Men (n=56 652) | Women (n=63 017) | P value* |
---|---|---|---|---|
Mean (SD) age at recruitment, years | 56.9 (7.9) | 57.3 (8.0) | 56.6 (7.8) | <1×10−15 |
Male sex | 56 652 (47.3) | 56 652 (100) | 63 017 (100) | – |
Mean (SD) body mass index, kg/m2 | 27.5 (4.8) | 27.9 (4.3) | 27.2 (5.2) | <1×10−15 |
Mean (SD) height, cm | 168.8 (9.2) | 175.7 (6.7) | 162.6 (6.2) | <1×10−15 |
Smoking status: | ||||
Never | 63 806 (53.3) | 27 834 (49.1) | 35 972 (57.1) | <1×10−15 |
Former | 40 890 (34.2) | 21 162 (37.4) | 19 728 (31.3) | |
Current | 13 332 (11.1) | 6767 (11.9) | 6565 (10.4) | |
Missing | 1641 (1.4) | 889 (1.6) | 752 (1.2) | |
Mean (SD) age completed full time education, years | 16.6 (2.2) | 16.6 (2.4) | 16.5 (2.0) | 2×10−9 |
Degree level education | 53 652 (44.8) | 25 956 (45.8) | 27 696 (44.0) | 6×10−15 |
Job class: | ||||
Elementary occupations | 3932 (3.3) | 2054 (3.6) | 1878 (3.0) | <1×10−15 |
Process plant and machine operatives | 3740 (3.1) | 3299 (5.8) | 441 (0.7) | |
Sales and customer service occupations | 2658 (2.2) | 588 (1.0) | 2070 (3.3) | |
Leisure and other personal service occupations | 963 (0.8) | 379 (0.7) | 584 (0.9) | |
Personal service occupations | 3567 (3.0) | 404 (0.7) | 3163 (5.0) | |
Skilled trades | 6077 (5.1) | 5404 (9.5) | 673 (1.1) | |
Administrative and secretarial roles | 11 878 (9.9) | 2329 (4.1) | 9549 (15.2) | |
Business and public sector associate professionals | 4631 (3.9) | 2548 (4.5) | 2083 (3.3) | |
Associate professionals | 8388 (7.0) | 3148 (5.6) | 5240 (8.3) | |
Professional occupations | 17 044 (14.2) | 8934 (15.8) | 8110 (12.9) | |
Senior officials | 13 526 (11.3) | 8521 (15.0) | 5005 (7.9) | |
Income: | ||||
<£18 000 | 23 817 (19.9) | 10 499 (18.5) | 13 318 (21.1) | <1×10−15 |
£18 000 to £30 999 | 26 808 (22.4) | 12 788 (22.6) | 14 020 (22.3) | |
£31 000 to £51 999 | 27 245 (22.8) | 13 848 (24.4) | 13 397 (21.3) | |
£52 000 to £100 000 | 20 397 (17.0) | 10 950 (19.3) | 9447 (15.0) | |
>£100 000 | 5060 (4.2) | 2777 (4.9) | 2283 (3.6) | |
Mean (SD) Townsend deprivation index | −1.5 (3.0) | −1.51 (3.0) | −1.45 (2.9) | <1×10−15 |
Overall per allele height SNP association with height | 0.021 (0.021 to 0.022); P<1×10−15 | 0.022 (0.022 to 0.023); P<1×10−15 | 0.020 (0.020 to 0.021); P<1×10−15 | – |
Overall per allele BMI SNP association with BMI | 0.022 (0.021 to 0.023); P<1×10−15 | 0.022 (0.021 to 0.024); P<1×10−15 | 0.025 (0.023 to 0.026); P<1×10−15 | – |
BMI=body mass index; SNP=single nucleotide polymorphism.
Not all five socioeconomic status measures were available in all 119 669 individuals (see supplementary table A for further information).
*For comparison between men and women; models were adjusted for age at recruitment.