Addition of salt to food sometimes ( odds ratio [ OR ] : 1.22 , 95 % confidence interval [ CI ] : 1.03-1 .44 ) or always ( OR : 1.23 , 95 % CI 1.04-1 .47 ) 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 .