For all participants over time , there were significant improvements for personal ( mean difference -LSB- MD -RSB- , @ ; @ % CI , @-@ @ ; P = @ ) and general ( MD , @ ; @ % CI , @-@ @ ; P = @ ) risk factor recall ; performance of stroke risk-related behaviors ( MD , @ ; @ % CI , @-@ @ ; P < @ ) ; and progression from a nonaction to an action stage of change for @ of @ behaviors over time .