In general, men are roughly split on the issue, with 43 percent supporting defunding, 42 percent opposing and 15 percent unsure. But when the issue of a government shutdown and default is included their support declines: 56 percent oppose defunding and only 14 percent solidly favor the measure.
Women are more firmly opposed to defunding the new health care law under any circumstances, with 47 percent opposed, 33 percent in favor and 20 percent unsure.
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A 51 percent majority of Republicans generally support defunding with 36 percent opposed and 13 percent unsure. However, when including the issue of a government shutdown and default, the picture changes: 48 percent of Republicans oppose defunding Obamacare, while 36 percent support it.
However, a 54 percent majority of Republicans who also identify themselves as Tea Party supporters want the new health care law defunded even if it means a government shutdown – the only demographic measured in the poll with such a majority.