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Table 7 Amount of variance (R2) in functioning explained by socio-demographic variables and physical health status variables (multiple regression analysis with sequential order of entered variables)

From: Socio-demographic factors and self-reported funtional status: the significance of social support

Models SORM SCR SL MSCR MSORM
Socio-demographic 32.5*** 37.1*** 34.8*** 15.1 21.7**
   Sex / age 18.5 9.4 11.1 6.1 0.8
   Education/employment 5.7 5.1 5.4 5.0 5.9
   Social support 8.3 22.4 18.2 3.9 14.9
Physical health status 17.2* 26.8*** 24.2*** 17.5* 19.9*
Total R2 49.7** 63.9*** 59.0*** 32.6* 41.6***
  1. ***p ≤ 0.001, ** p ≤ 0.01, * p ≤ 0.05