Table 1.

Characteristics of NEXT Medicine study cohort

Characteristics	No. (%) of patients who participated in DCE (n = 122)	No. (%) of patients who did not participate in DCE (n = 62)
Age, year, median (IQR)	55 (44–61)	50 (42–62)
Sex, male	57 (46.72)	34 (54.84)
Educational background
Professional or graduate	29 (23.77)	13 (20.97)
College/Vocational	80 (65.57)	38 (61.29)
High school or less	13 (10.66)	11 (17.74)
Annual household income
<$25,000	12 (9.84)	8 (12.90)
$25,000–$49,999	14 (11.48)	13 (20.97)
$50,000–$100,000	40 (32.79)	12 (19.35)
>$100,000	47 (38.52)	24 (38.71)
Refused/unknown	9 (7.38)	5 (8.06)
Employment status
Employed	79 (64.75)	41 (66.13)
Unemployed	41 (33.61)	21 (33.87)
Refused/unknown	2 (1.64)	0 (0.00)
Household size
1 Person	21 (17.21)	11 (17.74)
2 People	57 (46.72)	20 (32.26)
3 People	21 (17.21)	8 (12.90)
≥ 4 People	23 (18.85)	23 (37.10)
Personal history of CRC
Yes	44 (36.07)	22 (35.48)
Missing	1 (0.82)	1 (1.61)
Personal history of polyps
Yes	104 (85.25)	50 (80.65)
Missing	5 (4.10)	3 (4.84)
Personal history of ovarian/ endometrial cancer
Yes	6 (4.92)	4 (6.45)
Not applicable	57 (46.72)	34 (54.84)
Missing	41 (33.61)	18 (29.03)
Family history of CRC/polyposis
Yes	88 (72.13)	41 (66.13)
Missing/unknown	3 (2.46)	5 (8.06)
Family history of polyps
Yes	20 (16.39)	11 (17.74)
Missing/unknown	76 (62.30)	43 (69.35)
Family history of ovarian/ endometrial cancer
Yes	3 (2.46)	1 (1.61)
Missing/unknown	117 (95.90)	59 (95.16)

Two sided t-tests showed no statistically significant differences in means of continuous variables across patients who did and did not participate in DCE, non-parametric Mann–Whitney-U-tests showed no statistically significant differences in distributions of continuous variables [43], and chi-square tests showed no statistically significant differences in frequency distributions of categorical variables

IQR interquartile range

^*p <  0.05