Average credit scores and debt-to-income ratios on FHA mortgages loosened as 2013 progressed, according to an analysis by Inside Mortgage Finance. Lenders have gotten particularly aggressive regarding credit score requirements, and recent changes to FHA guidelines could prompt further loosening on DTI ratios. According to an Inside Mortgage Finance analysis of Ginnie Mae loan-level mortgage-backed security data, the average credit score on FHA loans was 706.1 in January. However, as FHA originations declined during the year, average credit scores on FHA loans also fell, hitting 685.4 in December. Average credit scores on FHA originations could continue...[Includes one data chart]