Skip to main content

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
  1. PA Physical Activity
  2. MVPA Moderate to Vigorous Physical Activity
  3. VPA Vigorous Physical Activity
  4. CFI Comparative Fit Index
  5. TLI Tucker-Lewin Index
  6. RMSEA Root Mean Square Error of Approximation