Just a quarter of voters think David Cameron is hungriest to win the election, a poll reveals today as the Prime Minister tries to step up his campaign passion. After criticism of a dull campaign from the chillaxing PM, Mr Cameron used an interview to insist he was working 'bloody hard' to secure a majority. But only 25 per cent of people think he wants to win most, compared to 43 per cent who believe Ed Miliband is most up for the fight. Scroll down for video . Some 43 per cent of voters think Ed Miliband 'comes across as wanting to win the most' when compared to David Cameron . Opinion polls continue to suggest the result is too close to call, although two surveys yesterday put the Tories ahead, including one which gave them a six-point lead. But while Mr Cameron is frequently seen as the strongest leader when compared to Mr Miliband, voters appear to think he wants to win less. In a YouGov survey for The Times, 43 per cent of voters think Mr Miliband 'comes across as wanting to win the most' when compared to Mr Cameron. Only 25 per cent thought Mr Cameron was hungriest for the job, and 13 per cent said neither of them. Mr Cameron appeared without a tie or jacket again today at Kelvin Hughes in north London as part of a 'sleeves rolled up' strategy designed to show he is fighting hard for a Tory victory. Meanwhile, Mr Miliband is giving a speech on how a Labour government would tackle immigration. SNP leader Nicola Sturgeon, riding high after strong TV debate performances and a surge in the polls, was judged to be enjoying the fight more than anyone by 34 per cent of voters . Just 7 per cent also thought Mr Cameron was enjoying the campaign the most out of all the main party leaders. SNP leader Nicola Sturgeon, riding high after strong TV debate performances and a surge in the polls, was judged to be enjoying the fight more than anyone by 34 per cent of voters. Ukip's Nigel Farage was the second happiest leader on 16 per cent, followed by Mr Miliband on 13 per cent. In recent days senior Tories and business backers had begun to criticise the campaign, warning it was dull and suffering from a 'curious lack of energy and belief'. Former Prime Minister Sir John Major warned against relying on dry economic data, when people want to know how their lives will be better. David Cameron appeared without a tie or jacket again today at Kelvin Hughes in north London as part of a 'sleeves rolled up' strategy designed to show he is fighting hard for a Tory victory . More people think Ed Miliband is hungriest for a win and appears to be enjoying the campaign more than his Tory rival . Mr Cameron appears to have taken the criticism to heart, making a series of passionate stump speeches in the last 72 hours. After weeks of criticism that the Conservatives were running a boring campaign, the Prime Minister found the fire in his belly as he declared in London yesterday: 'If I'm getting lively about it it's because I feel bloody lively about it.' In an interview with The Times today he adds: 'The real David Cameron has been standing up and working bloody hard for the last five years. 'I'm feeling pumped up. There's ten days to go, it's a bloody important election and I'm determined to get across the line. The line is victory — and victory is a Conservative majority. I know the polls are tight but victory is doable.'
Poll shows 43% think Labour leader Ed Miliband wants to win the most .
Just 7% think David Cameron is enjoying the campaign more than rivals .
Tories step up efforts to show their leader is passionate about campaign .
Cameron says he is 'feeling pumped' ahead of 'bloody important election'