Table 1 Descriptive characteristics for the overall population recruited from the UK Biobank, stratified by cataract and hearing difficulties at baseline
Baseline characteristics | Total | Sample with cataract | Controls for cataract | Sample with hearing difficulties | Controls for hearing difficulties |
|---|---|---|---|---|---|
Number | 142,069 | 10,436 | 131,633 | 61,352 | 49,887 |
Age, years | 56.71 (8.12) | 62.38 (6.01) | 56.26 (8.09) | 57.99 (7.79) | 55.45 (8.23) |
Gender, % | |||||
Female | 77,996 (54.90) | 5,447 (52.20) | 72,549 (55.11) | 29,844 (48.64) | 29,632 (59.40) |
Male | 64,072 (45.10) | 4,988 (47.80) | 59,084 (44.89) | 31,507 (51.36) | 20,255 (40.60) |
Ethnicity, % | |||||
White | 129,338 (91.04) | 9,375 (89.83) | 119,963 (91.13) | 56,794 (92.57) | 44,617 (89.44) |
Non-white | 12,731 (8.96) | 1,061 (10.17) | 11,670 (8.87) | 4,558 (7.43) | 5,270 (10.56) |
Townsend index | -1.01 (3.06) | -0.93 (3.27) | -1.02 (3.05) | -1.01 (3.08) | -1.07 (2.94) |
Education, % | |||||
College/University degree | 48,187 (33.92) | 2,828 (27.10) | 45,359 (34.46) | 20,011 (32.62) | 18,690 (37.46) |
Others | 93,882 (66.08) | 7,608 (72.90) | 86,274 (65.54) | 41,341 (67.38) | 31,197 (62.54) |
Smoking status, % | |||||
Never | 77,874 (55.02) | 5,240 (50.66) | 72,634 (55.37) | 31,453 (51.47) | 29,267 (58.83) |
Prior/current | 63,652 (44.98) | 5,103 (49.34) | 58,549 (44.63) | 29,655 (48.53) | 20,485 (41.17) |
Drinking status, % | |||||
Never | 7,109 (5.01) | 722 (6.97) | 6,387 (4.86) | 2,821 (4.60) | 2,623 (5.26) |
Prior/current | 134,754 (94.99) | 9,643 (93.03) | 125,111 (95.14) | 58,461 (95.40) | 47,223 (94.74) |
Obesity, % | |||||
No | 106,333 (75.43) | 7,371 (71.25) | 98,962 (75.77) | 45,144 (74.17) | 38,307 (77.39) |
Yes | 34,627 (24.57) | 2,974 (28.75) | 31,653 (24.23) | 15,725 (25.83) | 11,193 (22.61) |
History of hypertension, % | |||||
No | 37,704 (26.54) | 1,946 (18.65) | 35,758 (27.16) | 15,304 (24.94) | 13,992 (28.05) |
Yes | 104,365 (73.46) | 8,490 (81.35) | 95,875 (72.84) | 46,048 (75.06) | 35,895 (71.95) |
History of diabetes, % | |||||
No | 134,005 (94.32) | 8,905 (85.33) | 125,100 (95.04) | 57,444 (93.63) | 47,493 (95.20) |
Yes | 8,064 (5.68) | 1,531(14.67) | 6,533 (4.96) | 3,908 (6.37) | 2,394 (4.80) |
History of hyperlipidemia, % | |||||
No | 77,022 (54.21) | 4,517 (43.28) | 72,505 (55.08) | 31,808 (51.85) | 28,374 (56.88) |
Yes | 65,047 (45.79) | 5,919 (56.72) | 59,128 (44.92) | 29,544 (48.15) | 21,513 (43.12) |
Physical activity, % | |||||
Not meeting recommendation | 20,753 (18.04) | 1,555 (19.42) | 19,198 (17.94) | 9,454 (19.03) | 7,021 (16.91) |
Meeting recommendation | 94,279 (81.96) | 6,452 (80.58) | 87,827 (82.06) | 40,235 (80.97) | 34,500 (83.09) |