<prompt> Translate the following text to EnglishUhusiano uliokadiriwa kutoka kwa utafiti wa Che Stnut na Rowe unatumika moja kwa moja tu kwa idadi ya watu wanaowakilishwa na waliohojiwa katika uchunguzi.  <response>: The estimated relationship from the Che stnut and Rowe study is only directly applicable to the populations represented by survey respondents. 