Table 5 WA and STD Productivity Loss and Indirect Costs in Propensity Score Matched Cohorts with WA and STD Eligibility

During the 1st month of follow-up:

Patients reporting WA/STD (n, %)

2,980

88.6

2,591

77.1

<.001

Monthly hours lost due to WA/STD (mean, SD)

78.7

63.5

22.4

30.3

<.001

Indirect costs associated with WA/STD (mean, SD)

$1,744

$1,293

$624

$785

<.001

Patients with ≥ 1 year of follow-up (n, %)

2,030

60.4

2,249

66.9

During the 1st year of follow-up:

Patients reporting WA/STD (n, %)

1,917

94.4

2,093

93.1

0.07

Monthly hours lost due to WA/STD (mean, SD)

35.0

29.3

21.4

14.1

<.001

Indirect costs associated with WA/STD (mean, SD)

$847

$572

$610

$374

<.001

Patients with ≥ 2 years of follow-up (n, %)

1,184

35.2

1,364

40.6

During the 2nd year of follow-up:

Patients reporting WA/STD (n, %)

1,088

91.9

1,294

94.9

0.002

Monthly hours lost due to WA/STD (mean, SD)

22.2

18.0

21.2

13.7

0.12

Indirect costs associated with WA/STD (mean, SD)

$590

$389

$590

$337

0.99

Patients with ≥ 3 years of follow-up (n, %)

622

18.5

759

22.6

During the 3rd year of follow-up:

Patients reporting WA/STD (n, %)

581

93.4

723

95.3

0.14

Monthly hours lost due to WA/STD (mean, SD)

21.3

16.2

20.7

12.9

0.44

Indirect costs associated with WA/STD (mean, SD)

$561

$359

$568

$305

0.68