Item response modeling: a psychometric assessment of the children’s fruit, vegetable, water, and physical activity self-efficacy scales among Chinese children

Table 1 Participants’ characteristics (N = 763)

Demographic characteristics	n	%
Sex
Boys	421	55.2
Girls	342	44.8
Age (yrs)
8-10	332	43.5
11-13	431	56.5
Body status
Underweight	96	13.1
Healthy weight	417	56.8
Overweigh/obesity	221	30.1

ISSN: 1479-5868