Table 3: Osteoporosis Knowledge scores of college- aged students from China and the USA.

SubscaleAll participants

Mean ± SD
USA

Mean ± SD
China

Mean ± SD
-test

Total knowledge score (24 possible points) 9.31*
Exercise knowledge score (16 possible points) 8.30*
Calcium knowledge score (17 possible points) 11.34*

*Significant at .