Just months before its main provisions go into effect, a new poll shows that President Obama’s Patient Protection and Affordable Care Act is more unpopular than ever.

According to the NBC News/Wall Street Journal poll, 49 percent of Americans say the law is a bad idea, the highest number recorded on this question since the poll began asking it in 2009.

Just 37 percent say the PPACA is a good idea.

The large number of law opponents isn’t great news for the administration, which has been struggling to market the law in the months before the legislation’s main components kick in. Enrollment in the law’s health care exchanges is set to begin Oct. 1, with coverage beginning in January.

Many critics have slammed the law for doing little to rein in out-of-control health care costs, though curbing costs was a main initiative of PPACA.

The new poll found that about four in 10 of those surveyed think they will be worse off under the law. By comparison, 19 percent say they’ll be better off, and 39 percent say the law won’t make much of a difference.

The poll also shows deep divisions by political party affiliation. By a 35 percent to 11 percent margin, Democrats say they’ll be better off under PPACA. But Republicans say they’ll be worse off, 67 percent to 4 percent.

Those without health insurance also have a more positive view of the health care law than those who have insurance.

Previous surveys have found that Americans are widely confused over the law and how it will affect them.

In April, Kaiser Family Foundation’s latest health tracking poll revealed that four in 10 Americans (42 percent) are unaware that the PPACA is still law and is being implemented. That poll also found that the share of the public that says they lack enough information to understand how the PPACA will affect their family is higher among the two groups the law is likely to benefit most — the uninsured (58 percent) and low-income households (56 percent).

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