Citation Context

...ay (Agudo et al., 2002), although the method of diet estimation used in this large-scale study (food frequency questionnaire) is known to overestimate intake relative to other methods (Bingham, 1997; =-=Michels, Welch, Luben, Bingham, & Day, 2005-=-), so it is possible that the true figure is considerably less than this. Despite this potential overestimation, approximately 50 per cent of individuals in this sample reported consumption of less th...

Citation Context

...ar that Australians should be striving to consume a diet rich in fruit and vegetables. Consumption Data Collecting dietary intake data has consistently been found to be difficult (Field et al., 1998; =-=Michels, Welch, Luben, Bingham, & Day, 2005-=-; Pomerleau, Lock, McKee, & Altmann, 2004). Data on fruit and vegetable consumption is generally collected through self-reported survey sampling, which is, like all types of surveying, prone to bias (...