Table 2 Description of non-responders and responders for 2-year WOMAC pain and function outcomes across census tract Immigrant Proportion (IP)

Census tract IP, n (%)

Without 2-year WOMAC pain [Non-responder]

With 2-year WOMAC pain [Responder]

p-value

 < 10%

28.7%

26.4%

0.085

 10% – <  40%

57.4%

65.1%

 ≥ 40%

13.9%

8.5%

Census tract IP, n (%)

Without 2-year WOMAC function [Non-Responder]

With 2-year WOMAC function [Responder]

p-value

 < 10%

27.9%

26.4%

0.142

 10% – <  40%

58.9%

65.0%

 ≥ 40%

13.2%

8.6%