Are the results likely biased toward the null?

Are the results likely biased towards the null?

I read Field and colleagues' study (1) on the association of sports drinks and obesity risk among youth and young adults with great interest. Though there remains some uncertainty regarding the causative relationship between sugar-sweetened beverages (SSBs) and obesity risk, “the absence of evidence is not [always] the evidence of absence” (2). Therefore, it is perhaps wise that Field and colle...

Food Taxes: How Likely Are Likely Effects?

Editorial Are Unadjusted Analyses of Clinical Trials Inappropriately Biased Toward the Null ?

See related article, pages 888–894. One of the delights of clinical practice has proven to be a major nuisance for clinical research: patients are nonidentical. Indeed, patients have multiple characteristics that influence the likelihood of the outcome of a disease, which can make it difficult in the extreme to accurately discern the effects of therapy from casual clinical experience or even ca...

Are unadjusted analyses of clinical trials inappropriately biased toward the null?

See related article, pages 888–894. One of the delights of clinical practice has proven to be a major nuisance for clinical research: patients are nonidentical. Indeed, patients have multiple characteristics that influence the likelihood of the outcome of a disease, which can make it difficult in the extreme to accurately discern the effects of therapy from casual clinical experience or even ca...

Are older women likely to use medicines than older men? (Results from AHAP study)

Background: The health of elderly population in the world has been an important issue in recent century and the use of appropriate or inappropriate medications is challenging among them. The purpose of this study was to assess the pattern of medication in elderly population in Amirkola, northern of Iran. Methods: This study was conducted on 1534 elderly subjects who participated in Amirkola He...