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Table 4 Multivariate linear regression for relationship between musculoskeletal health, SF 36 physical summary measure and determinates of health

From: Effect of tai chi on musculoskeletal health-related fitness and self-reported physical health changes in low income, multiple ethnicity mid to older adults

  Body mass index (kg/m2) Overall grip strength (kg) Arm curl test in 30 seconds (#) Chair stand test in 30 seconds (#) Time 8-foot up and go test (secs) Sit and reach (cm) SF 36 physical health
  *Beta P *Beta P *Beta P *Beta P *Beta P *Beta P *Beta P
Age -0.032 .783 0.124 .290 0.274 .024 0.269 .025 -0.224 .046 -0.237 .060 0.192 .120
aGender 0.070 .470 0.090 .363 0.112 .261 0.009 .930 0.016 .868 -0.042 .703 0.107 .302
bMarital status 0.098 .377 -0.263 .018 0.021 .852 0.003 .977 -0.017 .872 -0.038 .752 0.084 .302
Education:               
cHigh school -0.125 .235 -0.063 .545 0.215 .043 0.112 .294 -0.299 .004 -0.075 .752 0.197 .069
c > High school 0.158 .192 0.082 .498 0.127 .303 0.193 120 -0.328 .006 0.013 .924 0.142 .278
d Income:               
$15,000-$30,000 -0.031 .766 -0.63 .545 -0.112 .291 0.096 .361 0.139 .165 -0.066 .564 0.050 .642
>$30,000 0.071 .513 -0.052 .630 -0.024 .303 -0.060 .592 0.241 023 0.136 .266 -0.092 .426
Ethnicity:
Chinese origin -0.062 .651 0.134 .328 0.079 .572 0.327 .019 -0.248 .06 -0.04 .761 0.140 .313
eTC attended -0.004 .973 -0.118 .328 -0.049 .648 0.038 .723 0.018 .858 -0.025 .827 -0.173 .111
fPrevious TC experience -0.153 .204 -0.118 .329 -0.068 .587 -0.047 .702 0.046 .688 -0.038 .769 -0.070 .569
gPhysical activity -0.223 .036 0.057 .577 -0.073 .479 0.056 .588 0.065 .504 -0.004 .974 0.058 .579
hMulti-morbidity 0.066 .506 0.009 .929 0.036 .716 -0.027 .784 0.120 .202 -0.054 .616 0.011 .913
R2 .166 .130 .107 .102 .177 .069 .086
  1. aReference group male.
  2. bReference group single.
  3. cReference group < High School.
  4. dReference group < $15,000.
  5. eBased on Overall Attendance.
  6. fTai Chi experience of one year or more.
  7. gBased on Average Weekly Physical Activity.
  8. hReference group 1 or none chronic diseases.
  9. *Standardized Beta.
  10. Note: # designates repetitions completed.