Around 60% of an adult’s body weight is water, performing key roles such as nutrient transport, waste removal and temperature regulation. Given this, new survey data in Ireland has now estimated daily water intakes.
The Irish National Adult Nutrition Survey (NANS) analysed 4-day semi-weighed food records from 1500 free-living adults aged 18 to 90 years. Total water intake (i.e. drinking water plus water from other beverages, along with food moisture) was 2.3 litres per day, with 67 per cent of water coming from beverages and 33 per cent from foods.
Overall, mean intakes and the proportions of water coming from foods and beverages were generally in line with European guidelines. However, intakes were found to be lowest amongst the elderly, those with less education, of lower social class, who were less active, had a higher body mass index or level of body fat.
These findings highlight the need to target these particular groups, helping to ensure they drink enough water to support health.
For more information, see: Connor LO et al. (2014) Journal of Human Nutrition & Dietetics Vol. 27 (6), pg 550-56.