TABLE IV.
Outcomes | Missing values | WRA (n = 89) | Non-WRA (n = 119) | Reference group (n = 815) | P value (non-WRA group vs reference group) |
---|---|---|---|---|---|
SF8-PCS score | 1/5/42 | 46.4 (38.6–51.5) | 51.8 (46.4–56.2) | 54.4 (50.0–56.9) | .001 |
SF8-MCS score | 1/5/42 | 45.7 (36.6–52.4) | 50.7 (43.9–56.3) | 52.4 (48.2–57.5) | .016 |
Any work time missed (absenteeism) | 11/8/90 | 14 (17.9) | 5 (4.5) | 19 (2.6) | .469 |
Any impairment at work (presenteeism) | 19/11/132 | 33 (47.1) | 25 (23.1) | 58 (8.5) | <.01 |
Any overall work impairment | 21/11/139 | 31 (45.6) | 27 (25.0) | 58 (8.6) | <.01 |
Any activity impairment | 7/6/56 | 45 (54.9) | 32 (28.3) | 77 (10.1) | <.01 |
Data are presented as number (% of available data) of subjects or medians (interquartile ranges).
Comparisons between the 3 groups were all significant (P < .001).
Comparison between the WRA group vs the non-WRA group, as well as the WRA group vs the reference group were all significant (P < .01).