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Table 2 Comparison of baseline OLS regression with network model for average MVPA minutes (girls)

From: Associations within school-based same-sex friendship networks of children’s physical activity and sedentary behaviours: a cross-sectional social network analysis

  Change in mean MVPA (mins) for a one unit increase in covariate
  coefficient 95% CI Direct 95% CIa Indirect
‘Spillover’
95% CIa Total 95% CIa
Baseline OLS regression model (n = 667)
 Constant −8.57 (−13.24, −3.89)       
 IMD 0.005 (−0.15, 0.16)       
 BMI z-score − 0.81 (−2.19, 0.58)       
 Activity participation score 1.57 (0.80, 2.33) 1.57 (0.80, 2.33) 0   1.57 (0.80, 2.33)
 AIC = 5426.5
Network model (n = 667)
 Constant −8.57 (−13.06, −4.07)       
 IMD 0.01 (−0.13, 0.16)       
 BMI z-score −0.84 (−2.19, 0.50)       
 Activity participation score 1.54 (0.79, 2.28) 1.54 (0.79, 2.30) 0.21 (0.05, 0.37) 1.76 (0.89, 2.63)
 Network dependence 0.13 (0.06, 0.19)       
 AIC = 5420.3
  1. aImpact CI based on 2.5 and 97.5 percentiles of 200 simulations