The risk of weight gain was inversely associated with age ( adjusted odds ratio ( ORadj ) = @ , @ % confidence interval ( @ % CI ) @-@ @ ) , Hispanic ethnicity ( ORadj = @ , @ % CI @-@ @ ) , and overweight ( ORadj = @ , @ % CI @-@ @ ) or obese ( ORadj = @ , @ % CI @-@ @ ) status at diagnosis and positively associated with time elapsed since diagnosis ( ORadj = @ / year , @ % CI @-@ @ ) .