WASHINGTON (AP) — Fifty-two-year-old Dinam Bigny sank into debt and had to get a roommate this year, in part because of health insurance premiums that cost him nearly $900 per month.

Next year, those monthly fees will rise by $200 — a significant enough increase that the program manager in Aldie, Virginia, has resigned himself to finding cheaper coverage.

“I won’t be able to pay it, because I really drained out any savings that I have right now,” he said. “Emergency fund is still draining out — that’s the scary part.”

Bigny is among the many Americans dependent on Affordable Care Act marketplace health insurance plans who are already struggling with the high cost of health care , according to a new survey from the health care research nonprofit KFF.

Most of the more than 1,300 enro

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