Table 3.

Unadjusted 6-month healthcare resource utilization among workers with osteoarthritis (OA) by self-reported severity category compared with workers without osteoarthritis

Health Resource Category	OA (n = 4,876)			Without OA (n = 34,896)	p-value (OA vs no OA)
	Mild (n = 2,192)	Moderate(n = 2,240)	Severe (n = 444)
Traditional healthcare visits, weighted percent (SE)	88.3 (0.7)	90.0 (0.7)	89.34 (1.6)	71.7 (0.3)	< 0.0001
Emergency room visits, weighted percent (SE)	13.2 (0.8)	18.3 (1.0)	28.36 (2.8)	10.2 (0.2)	< 0.0001
Hospitalizations, weighted percent (SE)	8.5 (0.7)	11.1 (0.8)	20.9 (2.1)	5.1 (0.1)	< 0.0001
Non traditional healthcare visits, weighted percent (SE)	30.2 (1.1)	31.9 (1.1)	34.3 (2.8)	20.1 (0.2)	< 0.0001
Number of prescriptions, mean ± standard deviation	3.7 ± 4.1	5.0 ± 4.8	6.4 ± 5.5	2.0 ± 3.2	< 0.0001