Associations between serum uric acid and hepatobiliary-pancreatic cancer: A cohort study

Table 1 Baseline characteristic

Group	Q1	Q2	Q3	Q4
SUA level (mg/dL)	(1.50, 4.20)	(4.20, 5.09)	(5.09, 6.06)	(6.06, 17.90)
Number	111087	110975	111241	111159
Gender
Male	99225 (89.3%)	73883 (66.6%)	44282 (39.8%)	21466 (19.3%)
Female	11862 (10.7%)	37092 (33.4%)	66959 (60.2%)	89693 (80.7%)
Mean age (SD)	55.30 (8.20)	56.90 (8.00)	57.50 (7.97)	57.70 (8.00)
White European	104975 (94.5%)	104411 (94.1%)	104447 (93.9%)	104475 (94.0%)
Current smokers	11629 (10.5%)	11 95 (10.6%)	12154 (10.9%)	11444 (10.3%)
Alcohol intake
Over four times a week	40852 (36.8%)	45126 (40.7%)	49976 (44.9%)	57439 (51.7%)
Once or twice a week	29330 (26.4%)	29071 (26.2%)	28787 (25.9%)	27396 (24.6%)
One to three times a month	14577 (13.1%)	13324 (12.0%)	1 850 (10.7%)	9681 (8.7%)
Seldom or never	26102 (23.5%)	23203 (20.9%)	20363 (18.3%)	16388 (14.7%)
Fruit and vegetable intake
Yes	47673 (42.9%)	44146 (39.8%)	40049 (36.0%)	35593 (32.0%)
No	63175 (56.9%)	66545 (60.0%)	70869 (63.7%)	75234 (67.7%)
Physical activity
High	36219 (32.6%)	36706 (33.1%)	36948 (33.2%)	36029 (32.4%)
Moderate	37562 (33.8%)	36235 (32.7%)	36318 (32.6%)	36115 (32.5%)
Low	14838 (13.4%)	16003 (14.4%)	17162 (15.4%)	19457 (17.5%)
Annual household income
Less than £18000	20748 (18.7%)	21456 (19.3%)	21341 (19.2%)	21536 (19.4%)
£18000 to £30999	23304 (21.0%)	24243 (21.8%)	24310 (21.9%)	24159 (21.7%)
£31000 to £51999	24672 (22.2%)	24624 (22.2%)	25270 (22.7%)	25168 (22.6%)
£52000 to £100000	19676 (17.7%)	18781 (16.9%)	19544 (17.6%)	20555 (18.5%)
Greater than £100000	5132 (4.6%)	4947 (4.5%)	5211 (4.7%)	5666 (5.1%)
College or University degree	38460 (34.6%)	36499 (32.9%)	35860 (32.2%)	33817 (30.4%)
Family history of cancer	38048 (34.3%)	38942 (35.1%)	39465 (35.5%)	39063 (35.1%)
Mean BMI, kg/m2 (SD)	25.10 (4.01)	26.80 (4.45)	28.10 (4.62)	29.60 (4.82)

SUA: Serum uric acid; SD: Standard deviation; BMI: Body mass index; Q: Quartile.