Table 1.
The descriptive statistics by any psychiatric disorder
| Characteristics* | Overall (n = 363,047) | Any psychiatric disorder | P for differences | |
|---|---|---|---|---|
| No (n = 313,182) | Yes (n = 49,865) | |||
| Sex, n (%) | < 0.001 | |||
| Female | 193,854 (53.4) | 168,043 (53.7) | 25,811 (51.8) | |
| Male | 169,193 (46.6) | 145,139 (46.3) | 24,054 (48.2) | |
| Age, mean (SD) | 56.70 (8.12) | 56.55 (8.08) | 57.64 (8.29) | < 0.001 |
| Ethnicity, n (%) | < 0.001 | |||
| White | 338,938 (93.4) | 292,197 (93.3) | 46,741 (93.7) | |
| Others | 22,056 (6.1) | 19,305 (6.2) | 2751 (5.5) | |
| Unknown | 2053 (0.6) | 1680 (0.5) | 373 (0.7) | |
| Socioeconomic status, n (%) # | < 0.001 | |||
| First quartile | 90,706 (25.0) | 80,549 (25.7) | 10,157 (20.4) | |
| Second quartile | 90,645 (25.0) | 79,724 (25.5) | 10,921 (21.9) | |
| Third quartile | 90,671 (25.0) | 78,468 (25.1) | 12,203 (24.5) | |
| Fourth quartile | 90,674 (25.0) | 74,139 (23.7) | 16,535 (33.2) | |
| Unknown | 351 (0.1) | 302 (0.1) | 49 (0.1) | |
| BMI, n (%) | < 0.001 | |||
| Underweight or normal weight (< 24.9 kg/m2) | 121,840 (33.6) | 107,052 (34.2) | 14,788 (29.7) | |
| Overweight (25.0–29.9 kg/m2) | 154,670 (42.6) | 134,072 (42.8) | 20,598 (41.3) | |
| Obese ( 30 kg/m2) | 84,384 (23.2) | 70,414 (22.5) | 13,970 (28.0) | |
| Unknown | 2153 (0.6) | 1644 (0.5) | 509 (1.0) | |
| Household income before tax per year (£), n (%) | < 0.001 | |||
| Less than 18,000 | 63,916 (17.6) | 51,157 (16.3) | 12,759 (25.6) | |
| 18,000–30,999 | 77,560 (21.4) | 66,461 (21.2) | 11,099 (22.3) | |
| 31,000–51,999 | 80,871 (22.3) | 71,472 (22.8) | 9399 (18.8) | |
| 52,000–100,000 | 65,326 (18.0) | 59,235 (18.9) | 6091 (12.2) | |
| Greater than 100,000 | 18,140 (5.0) | 16,930 (5.4) | 1210 (2.4) | |
| Unknown | 57,234 (15.8) | 47,927 (15.3) | 9307 (18.7) | |
| Education group, n (%) | < 0.001 | |||
| College or university degree | 117,426 (32.3) | 105,511 (33.7) | 11,915 (23.9) | |
| Any school degree (A-level, AS-level, O-level, GCSE, CSE) | 137,056 (37.8) | 118,757 (37.9) | 18,299 (36.7) | |
| Vocational qualification (NVQ, HND, or HNC) or other professional qualifications | 42,031 (11.6) | 35,715 (11.4) | 6316 (12.7) | |
| None of the above | 58,382 (16.1) | 46,696 (14.9) | 11,686 (23.4) | |
| Unknown | 8152 (2.2) | 6503 (2.1) | 1649 (3.3) | |
| Smoking status, n (%) | < 0.001 | |||
| Never | 207,476 (57.1) | 187,640 (59.9) | 19,836 (39.8) | |
| Previous | 124,768 (34.4) | 107,671 (34.4) | 17,097 (34.3) | |
| Current | 28,623 (7.9) | 16,137 (5.2) | 12,486 (25.0) | |
| Unknown | 2180 (0.6) | 1734 (0.6) | 446 (0.9) | |
| Alcohol drinker status, n (%) | < 0.001 | |||
| Daily or almost daily | 74,429 (20.5) | 63,106 (20.1) | 11,323 (22.7) | |
| Above one time per week | 180,021 (49.6) | 158,186 (50.5) | 21,835 (43.8) | |
| One to three times a month | 39,780 (11.0) | 34,344 (11.0) | 5436 (10.9) | |
| Special occasions only | 40,442 (11.1) | 33,982 (10.9) | 6460 (13.0) | |
| Never | 27,334 (7.5) | 22,760 (7.3) | 4574 (9.2) | |
| Unknown | 1041 (0.3) | 804 (0.3) | 237 (0.5) | |
| Total physical activity, n (%) | < 0.001 | |||
| Low | 52,863 (14.6) | 44,917 (14.3) | 7946 (15.9) | |
| Moderate | 118,932 (32.8) | 103,994 (33.2) | 14,938 (30.0) | |
| High | 119,726 (33.0) | 104,452 (33.4) | 15,274 (30.6) | |
| Unknown | 71,526 (19.7) | 59,819 (19.1) | 11,707 (23.5) | |
| Hypertension | < 0.001 | |||
| No | 268,766 (74.0) | 235,153 (75.1) | 33,613 (67.4) | |
| Yes | 94,281 (26.0) | 78,029 (24.9) | 16,252 (32.6) | |
| Type 2 diabetes | < 0.001 | |||
| No | 345,223 (95.1) | 299,239 (95.5) | 45,984 (92.2) | |
| Yes | 17,824 (4.9) | 13,943 (4.5) | 3881 (7.8) | |
SD Standard deviation, BMI Body mass index
*Unknown included prefer not to answer, do not know, and missing value in the database of UK biobank
#Socioeconomic status was measured by Townsend area deprivation index