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