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Table 1 Demographics of survey respondents by level of comorbidity medication adherence

From: The relationship between comorbidity medication adherence and health related quality of life among patients with cancer

 

Overall N = 1847

Low Adherence n = 508

Moderate/ High Adherence n = 1212

P value

Cancer type, n (%)

 Metastatic breast cancer

700 (37.9)

176 (34.7)

482 (39.8)

0.137

 Metastatic colorectal cancer

524 (28.4)

153 (30.1)

336 (27.7)

 

 Metastatic lung cancer

623 (33.7)

179 (35.2)

394 (32.5)

 

Demographic Characteristics

 Age, years, mean [SD]

69.2 [9.20]

68.5 [9.88]

69.5 [8.68]

0.043

 Sex female, n (%)

1233 (66.8)

324 (63.8)

827 (68.2)

0.073

 Race/Ethnicity (Medicare only), n (%)

  White

1379 (84.9)

373 (85.7)

910 (84)

0.767

  Non-white

240 (13.0)

60 (11.8)

170 (14.0)

 

  Unknown

5 (0.3)

2 (0.5)

3 (0.3)

 

 Marital Status, n (%)

  Married

1051 (57.2)

298 (59.1)

679 (56.3)

0.558

  Divorced

268 (14.6)

71 (14.1)

180 (14.9)

 

  Separated

24 (1.3)

6 (1.2)

15 (1.2)

 

  Widowed

368 (20.0)

91 (18.1)

256 (21.2)

 

  Living in a marriage-like relationship

49 (2.7)

17 (3.4)

28 (2.3)

 

  Single, Never Married

77 (4.2)

21 (4.2)

49 (4.1)

 

  Lives alone, n (%)

444 (24.0)

108 (21.3)

310 (25.6)

0.057

 Geographic Region, n (%)

  Northeast

29 (1.6)

9 (1.8)

16 (1.3)

0.432

  Midwest

453 (24.5)

114 (22.4)

306 (25.2)

 

  South

1220 (66.1)

340 (66.9)

801 (66.1)

 

  West

145 (7.9)

45 (8.9)

89 (7.3)

 

 Medicare Advantage (vs. Commercial), n (%)

1629 (88.2)

436 (85.8)

1087 (89.7)

0.022

 Dual eligibility for Medicare and Medicaid

192 (11.8)

41 (9.4)

32 (12.5)

0.094

Clinical Characteristics

 Comorbid conditions (pre-index), n (%)

  Anemia

547 (29.6)

154 (30.3)

349 (28.8)

0.527

  Anxiety

286 (15.5)

84 (16.5)

184 (15.2)

0.480

  Ischemia

386 (20.9)

111 (21.9)

249 (20.5)

0.544

  Cerebrovascular diseases

189 (10.2)

49 (9.6)

128 (10.6)

0.569

  Depression

236 (128)

70 (13.8)

156 (12.9)

0.611

  Hypertension

1253 (67.8)

310 (61)

877 (72.4)

< 0.001

  Renal disease including ESRD

306 (16.6)

90 (17.7)

192 (15.8)

0.338

  Diabetes Mellitus

502 (27.2)

122 (24)

354 (29.2)

0.028

  Pneumonia

189 (10.2)

56 (11)

113 (9.3)

0.280

 Comorbidity Index, median [IQR]

 

8 [4.5]

8 [1]

0.002

  High deyo Charlson comorbidity score (score ≥ 7), n (%)

1404 (6.0)

368 (72.4)

944 (77.9)

0.015

Healthy Days

 Frequent overall unhealthy days, n (%)

823 (46.2)

245 (52.8)

531 (44.1)

0.001

 Frequent mental unhealthy days, n (%)

401 (22.8)

139 (30.3)

241 (20.2)

< 0.001

 Frequent physical unhealthy days, n (%)

614 (34.9)

179 (38.7)

399 (33.6)

0.049

 Patient-reported excellent, very good or good health, n (%)

993 (55.9)

243 (52.4)

678 (56.4)

0.138

 Physical/mental health frequently impeded activities, n (%)

518 (29.5)

161 (35.0)

329 (27.7)

0.004

  1. Morisky Medication Adherence Score < 6 was defined as low comorbidity medication adherence
  2. Morisky Medication Adherence Score = 6, 7 or 8 was defined as moderate/high medication adherence
  3. Differences were assessed using a t-test for continuous variables and a chi-square test for categorical variables