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# Table 5 Fixed effect estimates of population density and school grade on step counts by gender and school grade

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
Low grade, elementary school − 1072 (582) − 577 (871) ref. 4 (700) − 914 (455) 129 (89)
p = 0.07 p = 0.51 p = 1.00 p = 0.04 p = 0.15
High grade, elementary school − 1274 (665) −113 (993) ref. − 696 (820) − 1390 (531) −287 (88)
p = 0.06 p = 0.91 p = 0.40 p = 0.01 p < 0.01
Junior high school − 569 (658) 1094 (1000) ref. − 130 (818) − 418 (532) − 918 (94)
p = 0.39 p = 0.27 p = 0.87 p = 0.43 p < 0.01
Girls
Low grade, elementary school − 686 (505) 209 (757) ref. −63 (620) − 545 (400) −50 (68)
p = 0.17 p = 0.78 p = 0.92 p = 0.17 p = 0.46
High grade, elementary school −993 (508) 54 (755) ref. − 628 (623) − 916 (402) − 416 (62)
p = 0.05 p = 0.94 p = 0.31 p = 0.02 p < 0.01
Junior high school − 1230 (577) 905 (867) ref. − 483 (715) −1100 (462) − 778 (75)
p = 0.03 p = 0.30 p = 0.50 p = 0.02 p < 0.01
In-school step count
Boys
Low grade, elementary school 101 (336) 260 (510) ref. 187 (414) −43 (268) 153 (43)
p = 0.76 p = 0.61 p = 0.65 p = 0.87 p < 0.01
High grade, elementary school − 439 (350) 34 (523) ref. − 273 (432) −455 (280) −59 (46)
p = 0.21 p = 0.95 p = 0.53 p = 0.10 p = 0.20
Junior high school 788 (349) 693 (533) ref. − 260 (437) 95 (284) − 183 (48)
p = 0.02 p = 0.19 p = 0.55 p = 0.74 p < 0.01
Girls
Low grade, elementary school 368 (330) 628 (509) ref. 452 (418) 67 (270) 109 (33)
p = 0.27 p = 0.22 p = 0.28 p = 0.80 < 0.01
High grade, elementary school − 341 (280) −54 (419) ref. − 144 (345) − 290 (223) − 129 (32)
p = 0.22 p = 0.90 p = 0.68 p = 0.19 < 0.01
Junior high school 822 (360) 678 (554) ref. − 571 (456) −324 (295) − 155 (34)
p = 0.02 p = 0.22 p = 0.21 p = 0.27 < 0.01
Out-of-school step count
Boys
Low grade, elementary school − 1134 (519) − 837 (782) ref. −177 (632) − 869 (410) −25 (73)
p = 0.03 p = 0.28 p = 0.78 p = 0.03 p = 0.73
High grade, elementary school − 815 (456) − 149 (662) ref. −424 (547) − 938 (355) − 227 (73)
p = 0.07 p = 0.82 p = 0.44 p = 0.01 p < 0.01
Junior high school − 1358 (471) 403 (707) ref. 128 (578) − 513 (376) − 736 (77)
p < 0.01 p = 0.57 p = 0.83 p = 0.17 p < 0.01
Girls
Low grade, elementary school − 973 (384) − 421 (569) ref. − 517 (466) − 613 (301) −162 (57)
p = 0.01 p = 0.46 p = 0.27 p = 0.04 p < 0.01
High grade, elementary school −627 (368) 110 (539) ref. −483 (445) − 625 (287) − 288 (52)
p = 0.09 p = 0.84 p = 0.28 p = 0.03 p < 0.01
Junior high school −2016 (413) 235 (607) ref. 95 (501) −762 (324) − 626 (66)
p < 0.01 p = 0.70 p = 0.85 p = 0.02 p < 0.01
1. a Estimates of fixed effect were shown with standard errors