Here is an excerpt from this OTHER study
Eleven thousand five hundred and nine (11,509) people died from unintentional firearm injuries over the 10-year study period. The rate of unintentional firearm fatalities was 0.43 per 100,000 person-years and ranged from 0.05 (Rhode Island) to 2.37 (Alaska) per 100,000 person-years (Table 1).
In 2002, 33% of Americans lived in households with firearms(10% in Hawaii to 63% in Wyoming),
22% of whom lived in households with loaded guns (6% in North Dakota to 34% inTexas), a
nd 13% of whom lived in households with guns that were loaded and unlocked (3% in Massachusetts to 22% in Alabama)
So in this study, it shows roughly 40% of houses that had guns, had guns stored loaded and unlocked. But it does not show which had under age kids and any additional circumstances to the numbers.
