Table 3 Cross-lagged autoregressive models between sleep quality and PA
From: Sleep and physical activity – the dynamics of bi-directional influences over a fortnight
Regression slopes for Model 1 (Actual Sleep Percent and MVPA) | Regression slopes for Model 2 (Actual Sleep Percent and VPA) | |||||||
|---|---|---|---|---|---|---|---|---|
Estimate | Standard error | z | p | Estimate | Standard error | z | p | |
Within-subject dependent variable: Sleep Efficiency | ||||||||
Autoregressive association: from sleep to sleep | 0.07 | 0.00 | 19.57 | < .0001 | 0.07 | 0.00 | 19.56 | < .0001 |
Cross-lagged association: From PA to subsequent sleep | 0.00 | 0.00 | 1.32 | .188 | -0.00 | 0.00 | -1.89 | .058 |
Within-subject dependent variable: PA | ||||||||
Auto-regressive association: from PA to PA | 0.06 | 0.00 | 14.65 | < .0001 | -0.06 | 0.00 | -11.73 | < .0001 |
Cross-lagged association: from sleep to subsequent PA | 0.98 | 0.09 | 10.60 | < .0001 | 0.14 | 0.04 | 3.53 | < .0001 |
Fit Indices | ||||||||
χ2 | 10,469.02 | 10,096.44 | ||||||
CFI | 0.94 | 0.93 | ||||||
TLI | 0.95 | 0.93 | ||||||
RMSEA | 0.04 | 0.04 | ||||||
Scaled χ2 | 7152.57 (394) | .000 | 5817.23 (394) | .000 | ||||