Skip to main content

Table 1 Sample Baseline Characteristics by Portal Behaviora

From: Patient portal adoption and use by hospitalized cancer patients: a retrospective study of its impact on adverse events, utilization, and patient satisfaction

Characteristics

Adopters (n = 2,352)

Nonadopters (n = 2,242)

P value

Active Inpatient Users (n = 632)

Inactive Inpatient Users (n = 1,720)

P value

Age group (years)

Mean (SD)

62.3 (14.0)

65.4 (14.8)

<.01b

60.2 (14.3)

63.0 (13.8)

<.01b

≤44

259 (11.0)

191 (8.5)

<.01c

82 (13.0)

177 (10.3)

<.01c

45-54

339 (14.4)

281 (12.5)

106 (16.8)

233 (13.5)

55-64

632 (26.9)

480 (21.4)

185 (29.3)

447 (26.0)

65-74

702 (29.8)

652 (29.1)

166 (26.3)

536 (31.2)

75-84

339 (14.4)

454 (20.2)

80 (12.7)

259 (15.1)

≥85

81 (3.4)

184 (8.2)

13 (2.1)

68 (4.0)

Sex

Female

1,148 (48.8)

1,055 (47.0)

.25c

295 (46.7)

852 (49.5)

.22c

Male

1,204 (51.2)

1,188 (53.0)

337 (53.3)

869 (50.5)

Race

African American

121 (5.2)

273 (12.4)

<.01c

18 (2.9)

103 (6.1)

<.01c

White

2,120 (91.3)

1847 (84.0)

575 (91.9)

1,545 (91.2)

Other

80 (3.4)

78 (3.5)

33 (5.3)

47 (2.8)

Marital status

Married

1,786 (75.9)

1,454 (64.9)

<.01c

506 (80.1)

1,280 (74.4)

<.01c

Single/divorced/widowed

566 (24.1)

788 (35.1)

126 (19.9)

440 (25.6)

Employment status

Employed

739 (37.7)

547 (28.9)

<.01c

206 (38.1)

533 (37.5)

.79c

Retired

836 (42.6)

935 (49.4)

208 (38.5)

628 (44.2)

Not employed/disabled

386 (19.7)

411 (21.7)

126 (23.3)

260 (18.3)

Income

Below Florida median income

645 (28.3)

803 (37.2)

<.01c

167 (26.5)

478 (27.8)

.54c

At or above Florida median income

1,707 (71.7)

1,439 (64.1)

465 (73.5)

1,242 (72.2)

Health insurance

Commercial insurance/self pay

1,145 (48.7)

815 (36.4)

<.01c

339 (53.6)

806 (46.9)

<.01c

Medicare/Medicaid/other government assistance

1,207 (51.3)

1,427 (63.6)

293 (46.4)

914 (53.1)

Geographic area of residence

Nonlocal

521 (22.2)

493 (22.0)

.89c

166 (26.3)

335 (20.6)

<.01c

Local

1,831 (77.8)

1,749 (78.0)

466 (73.7)

1,365 (79.4)

Comorbidity d

None

1,115 (47.4)

1,052 (46.9)

.58c

289 (45.7)

826 (48.0)

.32c

One or more

1,237 (52.6)

1,190 (53.1)

343 (54.3)

894 (52.0)

Comorbidity typee

Congestive heart failure

145 (6.2)

171 (7.6)

.05c

51 (8.1)

94 (5.5)

.02c

Peripheral vascular disease

322 (13.7)

338 (15.1)

.18c

83 (13.1)

239 (13.9)

.63c

Cerebrovascular disease

165 (7.0)

224 (10.0)

<.01c

42 (6.6)

123 (7.2)

.67c

Chronic pulmonary disease

262 (11.1)

256 (11.4)

.77c

61 (9.7)

201 (11.7)

.16c

Mild liver disease

432 (18.4)

291 (13.0)

<.01c

129 (20.4)

303 (17.6)

.12c

Diabetes mellitus

392 (16.7)

351 (15.7)

.35c

115 (18.2)

277 (16.1)

.23c

Moderate/severe renal disease

196 (8.3)

179 (8.0)

.66c

53 (8.4)

143 (8.3)

.96c

Moderate/severe liver disease

121 (5.1)

86 (3.8)

.03c

49 (7.8)

72 (4.2)

<.01c

Admission type based on MSDRG

Surgical

1,504 (63.9)

1,315 (58.7)

<.01b

348 (55.1)

1,156 (67.2)

<.01b

Medical

848 (36.1)

927 (41.3)

284 (44.9)

564 (32.8)

Frequency of hospitalizations, mean (SD)

1.8 (1.5)

1.4 (1.1)

<.01b

2.0 (1.7)

1.7 (1.4)

<.01b

APRDRG weight, mean, (median, SD)

2.5 (1.5, 2.9)

2.3 (1.5, 2.3)

.24b

3.1 (1.9, 3.6)

2.3 (1.4, 2.6)

<.01b

  1. Abbreviations: APRDRG All Patients Refined Diagnosis Related Group, MSDRG Medicare Severity-Diagnosis Related Group
  2. aData are reported as No. (%) for count variables and mean (SD) for continuous variables
  3. bWilcoxon nonparmetric
  4. cPearson χ2 test
  5. dComorbidity groups are not mutually exclusive as a patient may have more than 1 comorbidity diagnosis
  6. eComorbidity type was reported for diseases with > 5% of patients
Back to article page

BMC Medical Informatics and Decision Making

ISSN: 1472-6947

Contact us