Early time management spells physical, mental health

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University of Auckland, June 3, 2017

Balance is vital for a healthy diet, but a new study suggests that balance in how you spend your time is also key to a healthy life and sense of wellbeing – for children as well as adults.

The study, by Murdoch Children’s Research Institute (MCRI) in Melbourne, found that even as young as 11, how children choose to spend their time may impact on their physical and mental health and self-reported quality of life.

People tend to think about healthy lifestyle in terms of doing more of certain things – sleep, exercise, down-time – but what we found suggests it’s more about the overall pattern and whether that’s balanced,” Professor Melissa Wake, Senior Researcher, a member of the team, who is now based at the University of Auckland, said.

She is the new Professor of Child Health Research at the Liggins Institute and the University of Auckland Faculty of Medical and Health Sciences.

She said it is likely that similar links between time-use and quality of life would be found in New Zealand children.
About the Study
The Study, published in high-ranking journal Pediatrics, surveyed over 1400 children aged 11 and 12.

The participants were asked to fill out daily diaries detailing their use of time in five-minute increments across two 24-hour periods. This covered 260 different daily activities, including time spent showering and brushing teeth.

The study looked at three outcome measures – overall quality of life, psychological health and physical health.
Four distinct time-use clusters emerged, which the team called (a) Studious Actives (highest school-related time; low screen time; 22% of the children in the study) (b) Techno Actives (highest physical activity; lowest school-related time; 33%) (c) Stay-home Screenies (highest screen time; mainly stay at home; 23%); (d) Potterers (low physical activity; moderate screen time; 21%).

Potterers score less

Compared to the healthiest Studious Actives, the Potterers had the poorest scores across all three measures of health-related quality of life. This finding suggests that promoting healthy time-use patterns at this age may promote good health through both adolescence and later life.
Lifestyle is a major determinant of adult health, Lead Author Dr Monica Wong (from MCRI) said.
“We know that both lifestyle and health trajectories are well established by adolescence and they have lifetime consequences. However, until now we did not know whether overall time-use patterns are already associated with health-related quality of life as young as age 11-12 years,” Dr Wong said.
A small number of children in the Potterers category reported that they would regularly play video games for eight hours straight and, disturbingly, could not recall if they had eaten lunch or gone to the toilet during that period.
Professor Wake said, “Instead of using our findings to blame and shame parents, we hope this study will encourage parents to ensure their kids get a good, balanced mix of activities in their daily lives. Our Studious Actives still spent, on average, about 1.2 hours a day on screens and 1.2 hours sitting in cars or other vehicles, but they also averaged around 2.2 hours of physical activity a day.”

Child Health Checkpoint
This study is one of the early results to be released as part of a landmark study of 4000 children called Child Health Checkpoint, which could shed light on the causes of cardiovascular and respiratory diseases and other major health issues.
The next step is to gather data from a slightly older age group to see if the quality of life gap widens, particularly between the first three groups.
Study co-author at the University of South Australia, Professor Tim Olds said that the results for the first three categories were similar.

“WE are interested to find out how children’s quality of life will be impacted by their use of time as they move into their teens and start to make more independent choices.”
This will help to better identify the risks children face as they get older and help parents guide their kids on how to spend their time.

Establishing healthy lifestyles by adolescence is thought to be key to future adult health.

Photo Caption:

Professor Melissa Wake

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