Addition of salt to food sometimes ( odds ratio -LSB- OR -RSB- : @ , @ % confidence interval -LSB- CI -RSB- : @-@ @ ) or always ( OR : @ , @ % CI @-@ @ ) was independently associated with AAA after adjustment for other risk factors including age , waist-hip ratio , blood pressure , history of hypertension , high cholesterol , angina , diabetes , myocardial infarction and stroke .