MRC Epidemiology Unit

 

Evaluating the travel, physical activity and carbon impacts of a 'natural experiment' in the provision of new walking and cycling infrastructure: methods for the core module of the iConnect study.

Ogilvie D, Bull F, Cooper A, Rutter H, Adams E, Brand C, Ghali K, Jones T, Mutrie N, Powell J, Preston J, Sahlqvist S, Song Y, iConnect consortium

BMJ Open. Feb 2012

(DOI : 10.1136/bmjopen-2011-000694)

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Effect of questionnaire length, personalisation and reminder type on response rate to a complex postal survey: randomised controlled trial.

Sahlqvist S, Song Y, Bull F, Adams E, Preston J, Ogilvie D, iConnect consortium

BMC Medical Research Methodology. Jan 2011

(DOI : 10.1186/1471-2288-11-62)

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