Table 1.

Characteristics of Subjects for History of Diabetes Mellitus

	Male			Female
		History of diabetes mellitus			History of diabetes mellitus
	yes	no	p value	yes	no	p value
Number of subjects	2,879	37,631		2,404	53,167
Age, years; mean (standard deviation)	60.6 (9.1)	56.7 (10.2)	<0.01	63.2 (9.0)	57.0 (10.1)	<0.01
Smoking index
mean (standard deviation)	561.1 (467.6)	498.1 (432.4)	<0.01	35.7 (114.9)	19.5 (105.7)	<0.01
Drinking habit (%)
Current	70.6	75.8	<0.01	18.4	24.3	<0.01
Former	12.2	5.3		3.8	1.4
Never	17.2	18.8		77.8	74.3
Education (Attended school until) (%)
>18 years	21.1	17.2	<0.01	8.4	10	<0.01
≤18 years	78.9	82.8		91.6	90
Family history of colorectal cancer (%)
Yes	1.6	1.8	0.32	2	2.2	0.41
No	98.4	98.2		98	97.8
Body mass index (%)
BMI<18.5 kg/m2	5.5	5.1	<0.01	5.4	5.9	<0.01
25>BMI≥18.5kg/m2	72.2	75.5		64.3	70.7
BMI≥25 kg/m2	22.3	19.4		30.3	23.4
Sports (%)
>5 hours/week	8.6	7.1	<0.01	6.4	4.5	<0.01
3-4 hours/week	8.5	7.1		6.8	5.3
1-2 hours/week	18.5	16.9		14.6	13.7
Almost never	64.4	68.9		72.2	76.5
Walking (%)
>1 hour/day	41.5	49.8	<0.01	40.7	51.6	<0.01
0.5-1 hour/day	20.5	19.5		22.9	20.3
About 0.5 hour/day	23.8	18.3		23.9	17.1
Almost never	14.3	12.4		12.4	11.1