Table 3 WA productivity loss and indirect costs in propensity score matched cohorts with WA eligibility

During the 1st month of follow-up:

Patients reporting WA (n, %)

4,011

69.1

3,963

68.2

0.34

Monthly hours lost due to WA (mean, SD)

43.0

50.8

19.7

27.8

<.001

Indirect costs associated with WA (mean, SD)

$1,267

$1,511

$585

$849

<.001

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

3,905

67.2

4,332

74.6

During the 1st year of follow-up:

Patients reporting WA (n, %)

3,370

86.3

3,742

86.4

0.92

Monthly hours lost due to WA (mean, SD)

23.1

21.2

19.8

17.3

<.001

Indirect costs associated with WA (mean, SD)

$698

$666

$597

$548

<.001

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

2,672

46.0

3,053

52.6

During the 2nd year of follow-up:

Patients reporting WA (n, %)

2,255

84.4

2,643

86.6

0.02

Monthly hours lost due to WA (mean, SD)

19.2

16.1

19.4

16.5

0.62

Indirect costs associated with WA (mean, SD)

$565

$483

$573

$508

0.54

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

1,826

31.4

2,101

36.2

During the 3rd year of follow-up:

Patients reporting WA (n, %)

1,552

85.0

1,788

85.1

0.92

Monthly hours lost due to WA (mean, SD)

19.0

15.8

19.1

17.0

0.86

Indirect costs associated with WA (mean, SD)

$548

$465

$551

$491

0.84