TABLE 3.

Work Loss during the Follow-Up Period

	Year 1			Year 2
	Adherent Cohort (N = 702)	Non-Adherent Cohort (N = 815)	P	Adherent Cohort (N = 485)	Non-Adherent Cohort (N = 551)	P
Work loss (any), N (%)
Leave of absence	36 (5.1%)	86 (10.6%)	<0.001∗	24 (4.9%)	55 (10.0%)	0.003∗
Short-term disability	16 (2.3%)	49 (6.0%)	<0.001∗	12 (2.5%)	28 (5.1%)	0.026∗
Work loss days, mean ± SD
Short-term disability (all patients)	1.6 ± 14.0	4.5 ± 24.9	0.068	1.5 ± 15.2	4.0 ± 26.5	0.074
Absence due to medical services (all patients)	8.8 ± 9.1	10.3 ± 10.5	0.014∗	8.8 ± 9.6	10.5 ± 12.5	<0.001∗
Short-term disability (patients with ≥1 event)	68.3 ± 65.4	76.8 ± 71.3	0.667	61.1 ± 78.8	82.0 ± 90.7	0.885
Absence due to medical services (patients with ≥1 absence)	8.8 ± 9.1	10.4 ± 10.5	0.006∗	8.8 ± 9.6	10.6 ± 12.5	<0.001∗

SD, standard deviation.

^∗P < 0.05.