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Table 3 General Estimating Equations (GEE) results for outcome variables

From: Effects of tai chi on cognition and instrumental activities of daily living in community dwelling older people with mild cognitive impairment

Outcome Variables

B (95% CI)

P-value

CMMSE

 - Group

0.17 (− 0.47, 0.80)

0.607

 - Time

0.10 (− 0.53, 0.74)

0.750

 - Group* Time

1.33 (0.53, 2.13)

0.001*

IADL-CV

 - Group

0.51 (−0.20, 1.22)

0.160

 - Time

−0.24 (− 0.85, 0.38)

0.445

 - Group* Time

1.07 (0.34, 1.81)

0.004*

  1. *p≤0.05
  2. T0, baseline of the study; T1, 4 months’ post-intervention (T1 with the baseline [T0] as reference). Only the model estimates of regression coefficients (B) of the group (Group 0 = control [reference], I = intervention). Effect sizes: Chinese version of Mini-Mental State Examination (T1 vs T0), Cohen’s d = 0.50; Hong Kong Chinese version of Lawton Instrumental Activities of Daily Living scale (T1 vs T0), Cohen’s d = 0.48
  3. Abbreviations: CI confidence interval, CMMSE Chinese version of Mini-Mental State Examination, IADL-CV Hong Kong Chinese version of Lawton Instrumental Activities of Daily Living scale