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Table 1 Participant Characteristics before Matching

From: Quality of life among injectable and oral disease-modifying therapy users in the Pacific Northwest Multiple Sclerosis Registry

  

Stayer

Switcher

P value

  

396

64

 

Mean age (SD)

 

54.99 (10.34)

52.92 (12.16)

0.149

Sex % (n)

Female

86.6 (343)

89.1 (57)

0.734

 

Male

13.4 (53)

10.9 (7)

 

Race % (n)

White

93.7 (371)

87.5 (56)

0.002

 

Non-white

3.0 (12)

0.0 (0)

 
 

Unknown

3.3 (13)

12.5 (8)

 

Median disease duration [IQR]

 

12 [8, 18]

12 [7, 19]

0.839

PDDS % (n)

None or mild

41.9 (166)

51.6 (33)

0.191

 

Moderate to severe

58.1 (230)

48.4 (31)

 

Work status % (n)

Employed

46.3 (179)

55.6 (35)

0.217

 

Not Employed

53.7 (208)

44.4 (28)

 

Insurance % (n)

Public

27.0 (107)

20.3 (13)

0.01

 

Private

44.2 (175)

64.1 (41)

 
 

None/Other/Not Reported

28.8 (114)

15.6 (10)

 

Mean MSIS Physical Score at Time 1 (SD)

 

33.85 (12.49)

31.69 (9.98)

0.19

Mean MSIS Psychological Score at Time 1 (SD)

 

16.28 (5.96)

17.75 (5.72)

0.067

Median time on drug in months at Time 1 [IQR]

 

105.50

[56.50, 144.00]

95.00

[61.50, 129.75]

0.513

  1. [SD standard deviation, IQR Interquartile range, PDDS Patient Determined Disease Steps, MSIS Multiple Sclerosis Impact Scale]