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Table 3 Estimates from two-level linear modelling predicting pre-school children’s BMI z-score (Data from school entrance examination, city of Hannover, Germany, 2010–2014, n = 22,678)§

From: Comparing different data sources by examining the associations between surrounding greenspace and children's weight status

 

Model 1a

Availability index by NDVI

Model 1b

Availability index by UA

Model 1c

Availability index by OSM

b (SE)

95% CI

b (SE)

95% CI

b (SE)

95% CI

Individual-level independent factors

 Girls

(Ref. Boys)

0.09*

(0.01)

(0.06;

0.12)

0.09*

(0.01)

(0.06;

0.12)

0.09*

(0.01)

(0.06;

0.12)

 Children with migration background

(Ref. German children)

0.18*

(0.02)

(0.15;

0.22)

0.19*

(0.02)

(0.16;

0.22)

0.19*

(0.02)

(0.15;

0.22)

 Single parent/Blended family (Ref. Nuclear family)

0.07

(0.04)

(− 0.01;

0.16)

0.08

(0.04)

(− 0.01;

0.16)

0.08

(0.04)

(− 0.01;

0.16)

 Two or more siblings

(Ref. one or none siblings)

0.06*

(0.02)

(0.02;

0.09)

0.05*

(0.02)

(0.02;

0.09)

0.06*

(0.02)

(0.02;

0.09)

 Childcare less than 3 years (Kita)

(Ref. 3 year or longer)

− 0.02

(0.02)

(− 0.06;

0.02)

− 0.02

(0.02)

(− 0.06;

0.02)

− 0.02

(0.02)

(− 0.06;

0.02)

Parental educational level(Ref. Higher education)

 Lower education level

0.27*

(0.02)

(0.24;

0.31)

0.27*

(0.02)

(0.24;

0.31)

0.27*

(0.02)

(0.24;

0.31)

 Middle education level

0.15*

(0.02)

(0.12;

0.19)

0.15*

(0.02)

(0.12;

0.19)

0.15*

(0.02)

(0.12;

0.19)

Birth weight

(Ref. Normal)

 High

(> 4000 g)

0.37*

(0.02)

(0.32;

0.42)

0.37*

(0.02)

(0.32;

0.41)

0.37*

(0.02)

(0.32;

0.42)

 Low

(< 2500 g)

− 0.25*

(0.03)

(− 0.31;

− 0.19)

− 0.25*

(0.03)

(− 0.31;

− 0.19)

− 0.25*

(0.03)

(− 0.31;

− 0.19)

Area-level socio-demographic factors

 Residential density

0.01

(0.01)

(− 0.02;

0.02)

0.01*

(0.01)

(0.001;

0.03)

0.01*

(0.01)

(0.001;

0.03)

 Unemployment rate (%)

0.04*

(0.02)

(0.01;

0.08)

0.05*

(0.02)

(0.01;

0.08)

0.04*

(0.02)

(0.01;

0.08)

Area-level greenspace indicators

 Greenspace availability index

− 0.01*

(0.01)

(− 0.05;

− 0.01)

0.01

(0.01)

(− 0.01;

0.03)

0.01

(0.01)

(− 0.01;

0.02)

  1. *p < 0.05 (highlighted)
  2. $Model 1a: Model on children’s BMI z-score adjusted for individual level factors & other area level factors presented in the table plus greenspace availability by NDVI; Model 1b: Model plus greenspace availability from European Urban Atlas dataset; Model 1c: Model plus greenspace availability from OpenStreetMap dataset