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Suboptimal diets, sedentary lifestyles, overweight and obesity expose two-thirds of women in England aged over 50 to a heightened risk of lifestyle-related morbidities. The UK's NHS Breast Cancer Screening Programme now reaches 75% of all women aged 53-64 but provides only mammography screening. This cross-sectional survey of 413 women attending two NHS… (More)
BACKGROUND Poor response rates to postal questionnaires can introduce bias and reduce the statistical power of a study. To improve response rates in our trial in primary care we tested the effect of introducing an unconditional direct payment of 5 pounds for the completion of postal questionnaires. METHODS We recruited patients in general practice with… (More)
BACKGROUND Though new technologies like Magnetic Resonance Imaging (MRI) may be accurate, they often diffuse into practice before thorough assessment of their value in diagnosis and management, and of their effects on patient outcome and costs. MRI of the knee is a common investigation despite concern that it is not always appropriate. There is wide… (More)
OBJECTIVE To test the effect of postal randomization on recruitment of patients into a randomized trial in primary care. STUDY DESIGN AND SETTING General practices used a telephone service to randomize patients in our trial. Delays in the start of recruitment at some sites led us to modify the randomization procedure. When new practices took part patients… (More)
BACKGROUND Hundreds of thousands of volunteers take part in medical research, but many will never hear from researchers about what the study revealed. There is a growing demand for the results of randomised trials to be fed back to research participants both for ethical research practice and for ensuring their co-operation in a trial. This study aims to… (More)
Background: Poor response rates to postal questionnaires can introduce bias and reduce the statistical power of a study. To improve response rates in our trial in primary care we tested the effect of introducing an unconditional direct payment of £5 for the completion of postal questionnaires.