Skip to main content

Table 4 Characteristics of health plan members who did or did not register in a Patient-powered research network

From: Harnessing health plan enrollee data to boost membership in patient-powered research networks

Health plan member characteristics

Registered

 

Not registered

 

P values

 

Mean/N

SD/%

Mean/N

SD/%

 

N

102

 

29,043

  

Age, mean (SD)

51.8

10.09

50.7

10.52

0.17

Age category (years), n (%)

    

0.41

 18–20

0

0.0

87

0.3

 

 21–44

20

19.6

7484

25.8

 

 45–64

78

76.5

20,005

68.9

 

 65 and over

4

3.9

1467

5.1

 

Female, n (%)

89

87.3

22,775

78.4

0.03

Residential location (based on zip code), n (%)

    

0.17

 Urban

77

75.5

23,540

81.1

 

 Rural

25

24.5

5253

18.1

 

 Unknown

0

0.0

250

0.9

 

Health plan coverage, n (%)

    

0.37

 Commercial

98

96.1

28,308

97.5

 

 Medicare Advantage

4

3.9

735

2.5

 

Census Region, n (%)

    

0.23

 Northeast

9

8.8

2265

7.8

 

 Midwest

48

47.1

11,026

38.0

 

 South

19

18.6

6976

24.0

 

 West

26

25.5

8776

30.2

 

Clinical History

     

 Comorbidity score (Deyo-Charlson Index), mean (SD)

2.5

2.79

2.2

2.61

0.08

 Comorbidity score category, n (%)

    

0.01

  0

17

16.7

8736

30.1

 

  1 or 2

53

52.0

12,183

41.9

 

  3 or more

32

31.4

8124

28.0

 

Medical Utilization History (All cause)

     

 Any hospitalization, n (%)

34

33.3

8857

30.5

0.53

 Any emergency room visit, n (%)

53

52.0

12,341

42.5

0.05

 Any Outpatient visit, n (%)

102

100.0

29,042

100.0

0.95

 Primary care physician visits, n (%)

94

92.2

25,845

89.0

0.31

 Specialist visits, n (%)

101

99.0

28,833

99.3

0.76