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Table 2 Variables and measurement indicators

From: Influencing factors of children’s physical activity in family

Latent variable Item Item source Estimate SMC CR AVE Cronbach’s α
goverment(gov) children's PA needs goverment support Dowda M et al. [31] (2004); 0.918 0.843 0.930 0.816 0.930
implement policies on children's PA in place 0.835 0.697
the content of children's PA is standardized 0.953 0.908
community
(com)
there are sports facilities for children in the community Welk et al. [32] (2013) 0.851 0.724 0.884 0.718 0.901
the community regularly carries out children's PA 0.873 0.762
the community has enough places for children to play 0.818 0.669
kingdergarten(gar) kindergarten organize many physical activities Button B et al. [16] (2013) 0.880 0.774 0.892 0.734 0.811
the sports facilities can meet chindren’ needs 0.882 0.778
physical education curriculum is reasonable 0.806 0.650
children sports club(clu) advanced physical educational concept Zahner L et al. [22] (2009) 0.761 0.579 0.838 0.633 0.757
lote of sports fields and equipments 0.836 0.699
professional physical education teacher 0.788 0.621
perceived risks
(ris)
safety risks Keane et al. [26] (2012) 0.655 0.429 0.781 0.547 0.790
unprofessional children sports equipment may not safe 0.843 0.711
children can catch a cold after sweating 0.707 0.500
perceived benefits
(ben)
children become more powerful Dan et al. [20] (2013) 0.691 0.477 0.877 0.708 0.746
improve children's balance and coordination 0.887 0.787
children's movements become more alert 0.927 0.859
children's PA in family
(fam)
family memnbers often play sports together Thorn [33] (2008) 0.849 0.721 0.861 0.674 0.840
children love PA 0.835 0.697
encourage and accompany children in PA 0.777 0.604