# Table 4 Fixed effect estimates of population density and school grade on step counts for all boys and girls

Lowest Lower Middle Higher Highest School grade
Estimates (SE)a Estimates (SE) Estimates (SE) Estimates (SE) Estimates (SE) Estimates (SE)
Daily total step count
Boys −1077 (458) 302 (701) ref. −371 (576) −987 (373) −617 (17)
p = 0.02 p = 0.67 p = 0.52 p = 0.01 p < 0.01
Girls −1059 (414) 441 (636) ref. −409 (524) −868 (338) −457 (13)
p = 0.01 p = 0.49 p = 0.44 p = 0.01 p < 0.01
In-school step count
Boys 119 (238) 385 (365) ref. −153 (300) −180 (194) −222 (9)
p = 0.62 p = 0.29 p = 0.61 p = 0.35 p < 0.01
Girls 233 (231) 424 (358) ref. −110 (295) −207 (190) −200 (7)
p = 0.31 p = 0.24 p = 0.71 p = 0.28 p < 0.01
Out-of-school step count
Boys −1192 (339) −83 (515) ref. −219 (422) −806 (274) −395 (14)
p < 0.01 p = 0.87 p = 0.60 p < 0.01 p < 0.01
Girls −1259 (298) 18 (453) ref. −299 (373) −660 (241) −257 (11)
p < 0.01 p = 0.97 p = 0.42 p = 0.01 p < 0.01
1. aEstimates of fixed effect were shown with standard errors