Table 5.
Relative mediation effect of the variable ‘group exercise’
| X | ci | aib | bootstrap 95% CI | |aib/ci| | ci | aib | bootstrap 95% CI | |aib/ci| |
|---|---|---|---|---|---|---|---|---|
| income (ref: very low income) | Y=IADL | Y = MMSE | ||||||
| low income | −0.06 | 0.06 | (0.01,0.12) | – | −0.01 | 0.05 | (0.01,0.1) | – |
| medium income | −0.08 | 0.14 | (0.08,0.19) | – | 0.57** | 0.12 | (0.07,0.17) | 20.44% |
| high income | 0.37** | 0.24 | (0.17,0.3) | 64.11% | 1.16*** | 0.20 | (0.15,0.27) | 17.53% |
| education (ref: illiteracy) | ||||||||
| primary | 0.98*** | 0.17 | (0.12,0.22) | 17.07% | 2.49*** | 0.14 | (0.09,0.18) | 5.43% |
| junior | 0.86*** | 0.44 | (0.34,0.54) | 50.66% | 2.5*** | 0.35 | (0.26,0.44) | 14.08% |
| senior and above | 1.10*** | 0.62 | (0.52,0.73) | 56.30% | 2.8*** | 0.50 | (0.4,0.61) | 17.87% |
| occupation (ref: agriculture) | ||||||||
| governmental & professional | 1.83*** | 0.31 | (0.23,0.39) | 16.92% | ||||
| commercial & service | 0.66** | 0.19 | (0.13,0.25) | 28.74% | ||||
X independent variable, Y dependent variable, ref reference, ci the relative total effects of every category in categorical variables on the dependent variable, aib the quantity of relative mediation effect, |aib/ ci| the proportion of relative mediation effect, CI confidence interval
*p < .05, **p < .01, ***p < .001