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. 2010 Jul 5;7:57. doi: 10.1186/1479-5868-7-57

Table 1.

Linear regression model of the change in BMI across 6 years

Step R-square Δ Beta T-value p-value
1 .039
Gender .040 0.98 . 293
Age -.156 -3.69 .000
Moved .007 .156 .876
Change in activity -.104 -2.52 .012
Change in fruit and vegetable intake .042 1.02 .309

2 .028
Gender .040 1.01 . 314
Age -.156 -3.65 .000
Moved .011 .256 .798
Change in activity -.110 -2.69 .007
Change in fruit and vegetable intake .048 0.87 .384
Walking (choice) .048 .871 .384
Recreation (choice) -.117 -2.07 .039
School (choice) -.075 -1.44 .151
Walking X move interaction -.132 -2.55 .011
Recreation X move interaction .134 2.52 .012

School X move interaction .049 .952 .342

3 .008
Gender .029 0.70 . 483
Age -.146 -3.39 .001
Moved .017 .384 .701
Change in activity -.111 -2.72 .007
Change in fruit and vegetable intake .051 1.24 .215
Walking (choice) .057 1.02 .307
Recreation (choice) -.114 -1.99 .046
School (choice) -.073 -1.41 .160
Walking X move interaction -.125 -2.40 .017
Recreation X move interaction .136 2.57 .011
School X move interaction .044 .858 .392
Neighbourhood SES -.083 -1.94 .053
Neighbourhood walkability -.068 -1.56 .116