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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: J Head Trauma Rehabil. 2020 Jul-Aug;35(4):E372–E381. doi: 10.1097/HTR.0000000000000572

Table 2:

Joint Test of Interactions between Time Parameters (Intercept and Slopes) and Health Burden Scores

FIM Motor FIM Cognitive SWLS

Health Burden Score p-value p-value p-value
Unweighted Physical 0.0197 0.0275 0.0266
Mental 0.1656 < 0.0001 < 0.0001
Total 0.0469 < 0.0001 < 0.0001

Weighted (including mortality group) Physical 0.0173 0.0309 0.0225
Mental 0.2133 < 0.0001 < 0.0001
Total 0.0552 < 0.0001 < 0.0001

Weighted (excluding mortality group) Physical 0.0197 0.0172 0.0243
Mental 0.1510 < 0.0001 < 0.0001
Total 0.0485 < 0.0001 < 0.0001

A separate IPW was calculated for the SWLS outcome, as that was a reduced cohort relative to FIM Motor and Cognitive