Marco Rubio supporters are the most likely to watch television, and Bernie Sanders supporters are the least likely, according to a new poll on the media consumption of voting groups.

The Katz Media/Nielsen Scarborough Research Panel study asked people about how they used media and broke down the results by the candidate they support. Roughly 85% of Sanders supporters watch cable TV, compared to 87% of Hillary Clinton supporters and 92% of Marco Rubio supporters, Politico Media reports. Even fewer Sanders supporters watch cable news: 32%.

The opinions on whether social media was an effective way to reach voters varied more widely: 62% of Sanders supporters thought so, while only 40% of Clinton supporters agreed. Out of the Ted Cruz supporters, 49% said the same, compared to 47% of Donald Trump supporters and 40% of Marco Rubio supporters.

And if Clinton and Sanders are looking to reach undecided voters, the radio is their best bet — 95% listen weekly, compared to the 91% who watch broadcast television or 87% who watch cable television in the same time period.

The study polled 3,000 voters in 10 states between Jan. 25 and Feb. 22.

[Politico Media]

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Write to Julia Zorthian at julia.zorthian@time.com.