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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