Abstract
Dehydration is not only caused by loss of body fluids, but is also influenced by physical activity and adequate fluid consumption. Students carry out various kinds of activities, so that the level of fluid consumption from drinks in students varies. This study aimed to analyze the relationship between fluid intake and physical activity with the incidence of dehydration. This study used a cross sectional study design with 184 male students as subjects at the National University. Data were taken in the form of characteristics, smoking habits, fluid intake (amount and type), as well as physical activity and dehydration conditions. The prevalence of dehydration found among students at the National University of Jakarta was 36,4%. The average amount of fluids consumed by the National University students was 2346,49 ± 1142,05 SD. There was a significant relationship between the amount of fluids consumed and dehydrated conditions (p 0,000), and there was a significant relationship between physical activity and dehydration conditions (p 0,026). There were significant difference in the average fluid intake consumed and physical activity with dehydrated conditions.
Highlights
Dehydration is caused by loss of body fluids, but is influenced by physical activity and adequate fluid consumption
Students carry out various kinds of activities, so that the level of fluid consumption from drinks in students varies
This study aimed to analyze the relationship between fluid intake and physical activity with the incidence of dehydration
Summary
Tabel 1 menunjukan bahwa 67 subyek (36,4%) termasuk dalam kategori dehidrasi, sedangkan 117 subyek (63,6%) termasuk dalam kategori normal. Subyek yang merokok sebanyak 67 subyek (36,4%), sisanya tidak merokok (63,6%). Prevalensi ini lebih rendah dibandingkan pada penelitian sebelumnya yang dilakukan oleh Tawarniate (2011) yang menyebutkan 70,1% mahasiswa mengalami dehidrasi. Pada penelitian yang dilakukan oleh Bennet et al (2004) di Amerika menemukan sebanyak. Hal ini menunjukan bahwa dehidrasi dengan pengukuran ortostatik tidak hanya dilihat dari jumlah atau pun jenis minuman tetapi aktivitas fisik pun berpengaruh terhadap toleransi ortostatik. Hipotensi ortostatik yaitu terjadinya penurunan tekanan darah sistolik 20 mmHg atau penurunan tekanan darah diastolik dari 10 mmHg dalam waktu tiga menit berdiri dibandingkan dengan tekanan darah ketika posisi duduk atau posisi terlentang dan peningkatan denyut nadi 10 sampai 25 bpm. Hipotensi ini juga dapat muncul akibat dari dehidrasi kaitannya dengan konsumsi cairan yang rendah
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