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Table 4 Fixed effects parameters of multi-level models examining environmental predictors of standardised body mass index and waist circumference

From: Is adolescent body mass index and waist circumference associated with the food environments surrounding schools and homes? A longitudinal analysis

Variable

BMI SDS

WC SDS

Coefficient

95% CIs

Coefficient

95% CIs

Home (1 km)

 Fast food outlets

−0.017

(−0.035, 0.002)

−0.024

(−0.041, −0.006)

 Supermarkets

0.021

(−0.022, 0.090)

0.037

(− 0.013, 0.094)

 Other retail outlets

0.003

(−0.014, 0.017)

0.007

(− 0.008, 0.021)

School (1 km)

 Fast food outlets

−0.020

(−0.057, 0.057)

− 0.010

(− 0.184, 0.167)

 Supermarkets

− 0.086

(− 0.372, 0.084)

−0.035

(− 0.730, 0.655)

 Other retail outlets

0.038

(0.006, 0.052)

0.031

(−0.046, 0.106)

Travel route (500 m)

 Fast food outlets

0.017

(−0.001, 0.027)

0.021

(0.007, 0.033)

 Supermarkets

0.014

(−0.033, 0.057)

−0.017

(− 0.059, 0.025)

 Other retail outlets

−0.015

(− 0.027, 0.001)

−0.014

(− 0.027, − 0.001)

Intra-Class Correlation

 Year

0.000

 

0.144

 

 School

0.054

 

0.203

 
  1. NB. Adjusted for age, sex, race and level of deprivation in home and school environments. Yearly observations (level 1) were nested within individuals (level 2) which were nested within schools (level 3). CIs Confidence Intervals, BMI SDS standardised body mass index, WC SDS standardised waist circumference, We have used italics to indicate those results where the CIs do not cross a value of 0