Table 2.
Associations between Physical Activity and Cognitive function by lagged dependent variable models
| Variable(N = 852) | Executive Function | Executive Function | Executive Function | Executive Function |
|---|---|---|---|---|
| β(p) | Model 1 | Model 2 | Model 3 | Model 4 |
| Total Physical Activity | −0.0004(0.0013) | 0.0009(0.0010) | −0.0004(0.0008) | − 0.0003(0.0009) |
| Memory base | 0.1375**(0.0547) | 0.1369**(0.0547) | ||
| Mental base | 0.5697***(0.0393) | 0.5603***(0.0403) | ||
| R2 | 0 | 0.28 | 0.458 | 0.462 |
| F | 0.0954 | 38.4167 | 82.2564 | 48.0593 |
| Variable(N = 852) | Episodic Memory | Episodic Memory | Episodic Memory | Episodic Memory |
| β(p) | Model 1 | Model 2 | Model 3 | Model 4 |
| Total Physical Activity | 0.0014*(0.0008) | 0.0018**(0.0008) | 0.0015**(0.0007) | 0.0015**(0.0007) |
| Memory base | 0.3740***(0.0358) | 0.3726***(0.0356) | ||
| Mental base | 0.1159***(0.0234) | 0.1124***(0.0245) | ||
| R2 | 0.003 | 0.221 | 0.369 | 0.373 |
| F | 2.9595 | 30.4477 | 56.1891 | 33.0257 |
Model 1: Unadjusted; Model 2: Adjusted for age, gender, living areas, education levels, marital status and household expenditure; Model 3: Further adjusted for baseline cognitive function; Model 4: Further adjusted for smoking status, history of stroke, heart problem, hypertension status and depression level.
Source: CHARLS 2011,2013,2015 waves
* p < 0.1, ** p < 0.05, *** p < 0.01