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The confidence interval is about 0.47, if we're using a confidence level of 0.95. I'm feeling too lazy to do a p-value calculation, but I'd say that with 29,025 physicians responding out of a population of 1,000,000, and given the confidence interval presented, the results would likely have a p-value indicating significance. I'm sure there's confounders, but that's what the whole thread is about- is the field different, or are psychiatrists different?"Significant" depends on the confidence interval.