Penyakit diare masih menjadi masalah kesehatan masyarakat yang belum terselesaikan diIndonesia. Rendahnya cakupan personal hygiene, yaitu kebiasaan cuci tangan danmakanan yang tidak higienis menjadi salah satu faktor risiko terjadinya diare pada anaksekolah dasar. Mencuci tangan dengan sabun dan air mengalir terbukti efektifmenghilangkan bakteri di tangan. Penelitian ini bertujuan untuk mengetahui hubungancuci tangan pakai sabun pada anak sekolah dasar dengan kejadian diare di SDN 01Ciputat, Tangerang Selatan. Penelitian ini menggunakan desain cross sectional denganbesar sampel 105 siswa kelas 4,5, dan 6. Pengumpulan data dilakukan pada bulan Maret-April 2018. Hasil penelitian menunjukkan tidak terdapat hubungan signifikan antarakebiasaan cuci tangan pakai sabun dengan kejadian diare. Variabel confounding dalampenelitian ini adalah jenis kelamin, status gizi, tempat membeli jajanan, frekuensi jajan,kontaminasi E. coli pada jajanan, kebiasaan membawa bekal, sumber air minum, dankebersihan jamban di rumah. Uji kontaminasi E. coli menunjukkan hasil negatif padajajanan es, ketoprak, dan soto. Hasil analisis multivariat menunjukkan bahwa anak yangtidak biasa cuci tangan pakai sabun berisiko untuk diare 1,21 kali dibandingkan anak yangbiasa cuci tangan pakai sabun, setelah dikontrol variabel frekuensi jajan dan kebiasaanmembawa bekal. Perlu dilakukan pengendalian risiko kontaminasi makanan di sekolahdengan penyediaan fasilitas cuci tangan pakai sabun di sekolah untuk anak dan pedagangdi kantin.Kata kunci: diare, anak sekolah dasar, cuci tangan

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Diarrheal disease is still an unresolved public health problem in Indonesia. The Lessimplementation of personal hygiene, handwashing habits and unhygienic foods are riskfactors for diarrhea suffered by children in in primary school. Hand washing with soapand flowing water proves to effectively remove bacteria in the hands. This study aims toexplain the relationship of handwashing with soap in primary school children with theincidence diarrhea in SDN 01 Ciputat, South Tangerang. Design of this study is crosssectional with 105 sample of students grade 4,5, and 6. Data collection was conducted inMarch-April 2018. The results showed no significant relationship between handwashingwith soap and incidence diarrhea. The confounding variables used in this study aregender, nutritional status, place to buy snack, frequency of snack, E. coli contaminationon snack, habit of bringing food supplies, drinking water source, and toilet clean at home.The E. coli contamination test showed negative results on ice cube, ketoprak, and soto.The results of the analysis showed that children who are not always wash their hands withsoap at risk for diarrhea 1.21 times than children who always wash their hands, aftercontrolled by variable frequency of snacks and the habit of bringing food supplies. It isnecessary to control and reduce the risk of food contamination in schools with providingof handwashing facilities with soap for children and seller in the canteen.Key words : diarrhea; primary school children; handwashing.