How does the study attribute deaths to the coalition?
The study found that just under one-third (31%) of violent deaths were attributed to the coalition. The true number is 95% certain to be in the range 26-37%. These figures were derived by asking respondents about the causes of deaths, and classifying those that were “directly attributed to coalition forces or to air strikes” as coalition violent deaths. The proportion of violent deaths attributed to the coalition was much the same over the study period, although the total number of deaths increased sharply over the period, implying that the tota number of deaths from coalition violence increased each year from 2003. These figures are correct to the extent that respondents were able to identify the cause of death accurately. This may be uncertain in some cases. In particular, there is likely to be more uncertainty about the cause of death than about the incidence of death in the first place. The study made no attempt to define categories such as “civilian”, “insurgent/combatant”, or “mi
