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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