Table 3.

Productivity losses from diagnosis year to followup interview among Lupus Outcomes Study participants with work history, age 18–64 at baseline interview^*

	No.	Hours/week	Weeks/year	Hours/year
All participants ever employed
Diagnosis year	859	29.1 (27.6–30.5)	31.6 (30.1–33.1)	1,287 (1,215–1,358)
Baseline	864	19.0 (17.6–20.3)	24.1 (22.5–25.7)	864 (798–931)
Followup	742	18.8 (17.3–20.3)	24.1 (22.3–25.8)	873 (799–948)
% change, diagnosis year to followup		−35.4	−23.7	−32.2
Participants employed at specific time period
Diagnosis year	627	39.8 (38.7–40.9)	43.3 (42.3–44.4)	1,763 (1,695–1,830)
Baseline	477	34.4 (33.1–35.7)	43.6 (42.3–44.9)	1,566 (1,490–1,641)
Followup	405	34.8 (33.1–35.7)	44.6 (43.2–45.9)	1,616 (1,530–1,701)
% change, diagnosis year to followup		−12.6	3.0	−8.3
Participants employed at all time periods (n = 314)†
Diagnosis year	314	39.2 (37.7–40.8)	44.3 (42.9–45.7)	1,775 (1,676–1,872)
Baseline	314	35.4 (33.9–36.9)	45.8 (44.4–47.2)	1,671 (1,582–1,760)
Followup	314	37.1 (35.4–38.7)	46.5 (45.2–47.9)	1,758 (1,665–1,851)
% change, diagnosis year to followup		−5.4	5.0	−1.0

^*Values are the mean (95% confidence interval) unless otherwise indicated. Followup interview results adjusted for attrition. Nineteen respondents were missing data for hours and/or weeks of work during diagnosis year, 14 respondents were missing data for hours and/or weeks of work for wave 1, 6 respondents were missing data for hours and/or weeks of work for wave 2.

^†Excludes 30 respondents with missing data in any time period.