Personal measures (such as hand washing with soap) have been found to decrease rates of gastroenteritis in both the developing and developed world by as much as 30%.
Langkah-langkah pribadi (seperti mencuci tangan) diketahui dapat mengurangi tingkat insidensi dan prevalensi gastroenteritis baik di negara berkembang maupun di negara maju hingga sebesar 30%.