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Table 2 Linear regression with time in upright position (minutes) as dependent variable. Association between SPPB, Age, Diagnosis of cognitive impairment, BI and CIRS and time in upright position. Regression coefficients β, 95% confidence interval (CI) for regression coefficients and p-value in the unadjusted and fully adjusted regression model

From: Physical activity among hospitalized older adults – an observational study

Independent variable Unadjusted Fully adjusted
  Regression coefficient β Regression coefficient β
  Estimate 95% CI p-value Estimate 95% CI p-value
Mobility (SPPB)a 17.85 9.91 to 25.80 <0.001 11.74 0.13 to 23.34 0.048
Age −2.37 −7.12 to 2.39 0.319 1.07 −3.16 to 5.30 0.608
Diagnosis of cognitive impariment −1.73 −69.97 to 66.50 0.96 −8.51 −74.83 to 57.80 0.794
ADL-Function (BI)b 12.54 6.78 to 18.29 <0.001 6.32 −1.92 to 14.56 0.127
Morbidity (CIRS)c −10.23 −16.65 to - 3.82 .003 −4.41 −11.59 to 2.77 0.218
  1. aShort Physical Performance Battery
  2. bBarthel Index
  3. cCumulative Illness Rating Scale