Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 1 Characteristics of the participants by body mass index category

From: Gender differences in the association between adiposity and probable major depression: a cross-sectional study of 140,564 UK Biobank participants

     Obese  
  Underweight Normal-weight Overweight Overall Class I Class II Class III P-value
  N = 654 N = 46,121 N = 59,932 N = 33,857 N = 24,458 N = 6,852 N = 2,547  
  N (%) N (%) N (%) N (%) N (%) N (%) N (%)  
Probable major depression        
No 508 (77.7) 36,622 (79.4) 47,641 (79.5) 25,648 (75.8) 18,912 (77.3) 5,022 (73.3) 1,714 (67.3) <0.001
Yes 146 (22.3) 9,499 (20.6) 12,291 (20.5) 8,209 (24.3) 5,546 (22.7) 1,830 (26.7) 833 (32.7)  
Sex         
Women 517 (79.1) 29,748 (64.5) 27,380 (45.7) 17,448 (51.5) 11,634 (47.6) 4,089 (59.7) 1,725 (67.7) <0.001
Men 137 (21.0) 16,373 (35.5) 32,552 (54.3) 16,409 (48.5) 12,824 (52.4) 2,763 (40.3) 822 (32.3)  
Age (years)         
39-49 170 (26.0) 12,200 (26.5) 12,958 (21.6) 7,119 (21.0) 4,970 (20.3) 1,478 (21.6) 671 (26.3) <0.001
50-60 283 (43.3) 16,955 (36.8) 21,091 (35.2) 12,652 (37.4) 8,937 (36.5) 2,654 (38.7) 1,061 (41.7)  
61-70 201 (30.7) 16,966 (36.8) 25,883 (43.22) 14,086 (41.6) 10,551 (43.1) 2,720 (39.7) 815 (32.0)  
Townsend score quintile         
1 (least deprived) 107 (16.4) 8,289 (18.0) 10,552 (17.6) 4,795 (14.2) 3,718 (15.2) 818 (11.9) 259 (10.2) <0.001
2 108 (16.5) 9,580 (20.8) 12,377 (20.7) 6,115 (18.1) 4,632 (18.9) 1,126 (16.4) 357 (14.0)  
3 111 (17.0) 9,563 (20.7) 12,795 (21.4) 6,734 (19.9) 4,956 (20.3) 1,314 (19.2) 464 (18.2)  
4 160 (24.5) 10,541 (22.9) 13,232 (22.1) 7,828 (23.1) 5,578 (22.8) 1,646 (24.0) 604 (23.7)  
5 (most deprived) 168 (25.7) 8,148 (17.7) 10,976 (18.3) 8,385 (24.8) 5,574 (22.8) 1,948 (28.4) 863 (33.9)  
Employment status         
In paid employment 339 (51.8) 27,597 (59.8) 34,155 (57.0) 18,733 (55.3) 13,651 (55.8) 3,704 (54.1) 1,378 (54.1) <0.001
Retired 186 (28.4) 14,798 (32.1) 21,733 (36.3) 11,743 (34.7) 8,676 (35.5) 2,333 (34.1) 734 (28.8)  
Look after home 56 (8.6) 1,796 (3.9) 1,350 (2.3) 813 (2.4) 530 (2.2) 190 (2.8) 93 (3.7)  
Unemployed/unpaid 32 (4.9) 1,113 (2.4) 1,509 (2.5) 1,031 (3.1) 673 (2.8) 245 (3.6) 113 (4.4)  
Not working (sick/disable) 39 (6.0) 681 (1.5) 1,041 (1.7) 1,431 (4.2) 854 (3.5) 355 (5.2) 222 (8.7) <0.001
Only student status 2 (0.3) 136 (0.3) 144 (0.2) 106 (0.3) 74 (0.3) 25 (0.4) 7 (0.3)  
Alcohol consumption         
Daily 139 (21.3) 10,604 (23.0) 13,137 (21.9) 5,337 (15.8) 4,296 (17.6) 846 (12.4) 195 (7.7) <0.001
3-4 times/week 127 (19.4) 11,283 (24.5) 14,456 (24.1) 6,528 (19.3) 5,122 (20.9) 1,077 (15.7) 329 (12.9)  
1-2 times/week 123 (18.8) 11,419 (24.8) 15,411 (25.7) 8,677 (25.6) 6,398 (26.2) 1,720 (25.1) 559 (21.6)  
1-3 times/month 71 (10.9) 4,775 (10.4) 6,345 (10.6) 4,643 (13.7) 3,152 (12.9) 1,065 (15.5) 426 (16.7)  
Special occasions only 94 (14.4) 4,587 (10.0) 6,270 (10.5) 5,306 (15.7) 3,299 (13.5) 1,358 (19.8) 649 (25.5)  
Never 100 (15.3) 3,453 (7.5) 4,313 (7.2) 3,366 (9.9) 2,191 (9.0) 786 (11.5) 389 (15.3)  
Smoking status         
Never 387 (59.2) 27,887 (60.5) 32,729 (54.6) 17,652 (52.1) 12,614 (51.6) 3,652 (53.3) 1,386 (54.4) <0.001
Previous 151 (23.1) 13,590 (29.5) 21,537 (35.9) 13,154 (38.9) 9,575 (39.2) 2,638 (38.5) 941 (37.0)  
Current 116 (17.7) 4,644 (10.1) 5,666 (9.5) 3,051 (9.0) 2,269 (9.3) 562 (8.2) 220 (8.6)  
Ethnicity         
White 591 (90.4) 42,911 (93.0) 55,312 (92.3) 30,838 (91.1) 22,382 (91.5) 6,191 (90.4) 2,265 (88.9) <0.001
Mixed 10 (1.5) 377 (0.8) 381 (0.6) 235 (0.7) 161 (0.7) 47 (0.7) 27 (1.1)  
Asian/Asian British 28 (4.3) 1,426 (3.1) 1,893 (3.2) 863 (2.6) 653 (2.6) 162 (2.4) 48 (1.9)  
Black/Black British 3 (0.5) 651 (1.4) 1,521 (2.5) 1,451 (4.3) 926 (3.8) 355 (5.2) 170 (6.7)  
Chinese 6 (0.9) 291 (0.6) 169 (0.3) 38 (0.1) 34 (0.1) 3 (0.0) 1 (0.0)  
Other 16 (2.5) 465 (1.0) 656 (1.1) 432 (1.3) 302 (1.2) 94 (1.4) 36 (1.4)  
Comorbidity         
No 503 (76.9) 35,056 (76.0) 38,488 (64.2) 16,354 (48.3) 12,551 (51.3) 2,920 (42.6) 883 (32.7) <0.001
Yes 151 (23.1) 11,065 (24.0) 21,444 (35.8) 17,503 (51.7) 11,907 (48.7) 3,932 (57.4) 1,664 (65.3)  
Psychotropic medication         
No 605 (92.5) 43,487 (94.3) 56,091 (93.6) 30,475 (90.0) 22,263 (91.0) 6,059 (88.4) 2,153 (84.5) <0.001
Yes 49 (7.5) 2,634 (5.7) 3,841 (6.4) 3,382 (10.0) 2,195 (9.0) 793 (11.6) 394 (15.5)  
  1. BMI: body mass index category (kg/m2); underweight (<18.5), normal-weight (18.5-24.9), overweight (25–29.9), obese (≥30), class I (30–34), class II (35–39), class III obese (>40), Townsend score, a measure of socio-economic status, p-value; χ2 test for categorical data & p-value for test of trend for ordinal data, Comorbidity (CVD, hypertension, diabetes, cancer).