Table 1 Patient demographics and socioeconomic status characteristics in relation to study participants’ retention vs withdrawal

Age, mean (SD), years

64 (6.5)

63 (5.9)

0.8

Ethnicity, n(%)

0.8

 Hispanic

34 (32.1%)

5 (29.4%)

-

 Non-Hispanic

72 (67.9%)

12 (70.6%)

-

Race, n(%)

0.4

 White

77 (72.6%)

15 (88.2%)

-

 African American

28 (26.5%)

2 (11.8%)

-

 Asian American or Pacific Islander

1 (0.9%)

0 (0.0%)

-

BMI, mean (SD), kg/m²

29.1 (4.4)

30.7 (3.5)

0.1

CCI, mean (SD)

4.2 (0.9)

4.1 (1.0)

0.6

Smoking status, n(%)

0.8

 Former smoker

38 (64.2%)

7 (41.2%)

-

 Current smoker

18 (9.5%)

2 (11.8%)

-

 Never smoked

49 (46.3%)

8 (47.0%)

-

Days from diagnosis to enrollment, median (IQR)

707 (384, 1340)

680 (393, 1045)

0.9

Non-Adherence, n(%)

<0.001*

 No

55 (51.9%)

0 (0%)

-

 Yes

51 (48.1%)

17 (100.0%)

-

Number of non-Adherences, n(%)

<0.001*

 0

55 (51.9%)

0 (0%)

 1

33 (31.2%)

2 (11.8%)

 2

17 (16.0%)

8 (47.1%)

 3

1 (0.9%)

4 (23.5%)

 4

0 (0%)

3 (17.6%)

Socioeconomic status

 DCI score, median (IQR)

35.4 (10.3, 67.3)

17.1 (3.8, 68.1)

0.4

 Distress tier, n(%)

0.7

  Prosperous

39 (36.8%)

9 (52.9%)

  Comfortable

19 (17.9%)

2 (11.8%)

  Mid-tier

15 (14.2%)

1 (5.9%)

  At-risk

18 (16.9%)

2 (11.8%)

  Distressed

15 (14.2%)

3 (17.6%)

 Low SES, n(%)

0.9

  No

73 (68.9%)

12 (70.6%)

  Yes

33 (31.3%%)

5 (29.4%)