Background: It is necessary to keep the learning concentration level of adolescents during learning online at home. Objectives: To assess the relationship between breakfast habits and fluid intake with the hydration status and learning concentration of adolescents in learning online during the COVID-19 pandemic. Method: This was a cohort study. The study population comprised 146 adolescents in a Junior High School, located in Surabaya, chosen using proportional random sampling and simple random sampling techniques. The research instruments were questionnaires, 24 hour food recall surveys, urine colour surveys, and grid concentration tests. The independent variables in this study were breakfast habits and fluid intake, while dependent variables were hydration status and concentration. Data analysis used descriptive analysis and Spearman correlation with α=0.05. Results: When participating in online learning during Covid-19 pandemic, most adolescents had good breakfast habits, adequate fluid intake, good hydration status and good learning concentration levels. Breakfast habits had a positive relationship with learning concentration (p=<0.001; r=0.316), while fluid intake had a very strong relationship with hydration status (p=<0.001; r=0.952) and learning concentration (p=<0.001; r=560). Conclusions: Adolescents’ learning concentration during participation in online learning at home has a relationship with breakfast habits and fluid intake. The better the breakfast habits and fluid intake levels of adolescents, the better the learning concentration.

Original languageEnglish
Pages (from-to)306-311
Number of pages6
JournalSri Lanka Journal of Child Health
Issue number2
Publication statusPublished - 2021


  • COVID-19 pandemic)
  • Hydration status
  • learning concentration
  • online learning


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