Anger at God is a difficult phenomenon to quantify. There are several limiting factors, including dogmatic stigma against admitting anger, which has been prevalent among theists in past research. Additionally, there are definition issues when atheists and agnostics feel anger. Can we discuss anger about God in the same study as anger at God? Finally, there are both positive and negative aspects of anger, and it is difficult to tease out the difference between kinds of angry responses: Is anger at the suffering of millions of children in Africa the same as anger that a job interview went badly?
There is some data out there, and thankfully, some researchers have gone to the trouble of controlling for many of the potential confounding variables. Even so, it takes a good amount of digging to get at the real phenomena underlying anger at God. The following bits of data represent the most uncontroversial and best controlled studies I could find.
Demographics
•62% of Americans report feeling angry at God on occasion. (It should be noted that only 3% of respondents marked “none” as their religious belief.)
•Women are more likely to be mad at God than men. (This makes sense based on men’s position of superiority and authority in traditional Western monotheism.)
•African Americans are significantly less likely to admit anger towards God.
•Catholics and Jews reported more anger than Protestants. However, nonaffiliates — religious people who are not attending church — reported the highest levels.
•Age was negatively associated with anger. That is, young people reported more anger than old.
Events that Trigger Anger
In their effort to ferret out more specific data about anger, the researchers had to control for the problem of backward rationalization. That is, when we remember past events, we generally filter them through whatever coping mechanism we have employed to accept them. Social desirability, feelings of victimization, generalized anger responses, and other measures of “reverse memory engineering” were included in supplemental analyses of the data, providing a measure of isolation for the desired variable — anger.
http://livinglifewithoutanet.wordpress.com/2011/06/27/anger-at-god-the-scientific-facts/