TABLE 3.

Work Productivity Lost in the Past 2 Weeks by Condition

	Control	Dysthymia	Major Depression	Double Depression	P-value
N = 389	143	64	89	93
% Time health interfered with job   demands (WLQ Scales)
Mean WLQ Mental-Interpersonal	10 (7–12)	26 (21–31)	42 (38–46)	37 (34–41)	−.001
Mean WLQ Physical	8 (5–11)	18 (13–26)	21 (16–25)	19 (15–24)	<.001
Mean WLQ Time	10 (7–12)	27 (22–33)	40 (35–45)	37 (33–41)	<.001
Mean WLQ Output	8 (6–11)	23 (18–28)	44 (39–49)	40 (35–46)	<.001
Mean % productivity loss on-the-job
WLQ index	2.6 (2–3)	6.6 (6–8)	11.4 (10.4–12.5)	10.1 (9.1–11.2)	<.001
Absences
Number of days missed	0.6 (0.4–0.9)	1.4 (0.9–2.0)	2.2 (1.7–2.7)	1.7 (1.3–2.2)	<.001
% Productivity loss due to absences	7.4 (4.7–10.1)	13.6 (9.0–18.2)	28.4 (19.9–36.9)	22.0 (15.1–28.7)	<.001

Numbers in parentheses represent the 95% Confidence Interval.