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UK Study: Low-Income Minority Kids Get Less Vigorous Physical Activity

UK Study: Low-Income Minority Kids Get Less Vigorous Physical Activity

Disadvantaged children from certain ethnic minority backgrounds, including Pakistani and Bangladeshi, get fewer minutes of vigorous physical activity per day, according to a new U.K. study from the University of Cambridge.

Previous evidence has shown that, by age 11, U.K. children from disadvantaged families are three times more likely to be obese than more advantaged children. There are also stark ethnic and racial differences in levels of childhood obesity, with higher rates of obesity within certain ethnic minorities including children from Black African, Black Caribbean, Pakistani and Bangladeshi backgrounds.

Research has also shown that more vigorous physical activity, such as running or swimming, is more strongly linked with reduced waist circumference and body fat than moderate intensity activity. International guidelines say that children should engage in moderate-to-vigorous intensity activity for at least 60 minutes per day.

“When we look at overall physical activity we don’t see clear differences between children from different backgrounds despite clear inequalities in obesity,” said Rebecca Love, a Gates Cambridge Scholar at the Centre for Diet and Activity Research (CEDAR) at the University of Cambridge.

“To investigate this further, we looked at whether overall physical activity was hiding inequalities in the intensity with which that activity is performed that might explain these patterns.”

The researchers looked at data from almost 5,200 children (age 7) who were part of the Millennium Cohort Study, a longitudinal study of children born in the U.K. between September 2000 and January 2002. The children were given accelerometers and their activity as measured for a minimum of ten hours for three days.

The results reveal that the higher the level of education attained by the mother, the more minutes of vigorous intensity activity her child was likely to have, accounting for time spent in moderate physical activity.

Children with highly-educated mothers accumulated three minutes more vigorous activity per day than those with low levels of education. Similarly, the team found significantly more time spent in vigorous intensity activity incrementally with increasing household income.

Intensity differences were also apparent by ethnicity. White British children perform on average more than three minutes more daily vigorous physical activity in comparison to children from Pakistani and Bangladeshi backgrounds. Children from ‘other ethnic groups’ also accumulated 2.2 minutes fewer daily vigorous intensity activity overall.

It is suggested these differences are relevant on a population level and changes to reduce differences in vigorous physical activity could have population implications for the weight inequalities in U.K. children. The differences were consistent in both boys and girls.

“There are clear differences in the amount of vigorous physical activity a child does depending on their socioeconomic and ethnic background,” said senior author Dr. Esther van Sluijs.

“Although individually, these differences are small, at a population level they are likely to make a difference. Changes to reduce existing gaps in vigorous intensity activity could help reduce existing inequalities in levels of obesity in children.”

There are several factors that might explain the differences, say the researchers, including access to or the cost of participating in sports activities, and a parent working longer, inconsistent work hours within a low-income job. There may also be differences in home and family support for physical activity between ethnic groups.

“Children from different backgrounds can face a number of barriers preventing them from participating in sports or other types of vigorous physical activity,” said Dr. Jean Adams. “We need to find more ways to provide opportunities for all children to get involved in vigorous activity.”

Over the past four decades, the global prevalence of childhood obesity has increased tenfold. Obesity in childhood is associated with illness and early death in adulthood, so tackling childhood obesity is increasingly a public health priority for governments.

The findings are published in the journal BMJ Open.

Source: University of Cambridge

UK Study: Low-Income Minority Kids Get Less Vigorous Physical Activity

Traci Pedersen

Traci Pedersen is a professional writer with over a decade of experience. Her work consists of writing for both print and online publishers in a variety of genres including science chapter books, college and career articles, and elementary school curriculum.

APA Reference
Pedersen, T. (2019). UK Study: Low-Income Minority Kids Get Less Vigorous Physical Activity. Psych Central. Retrieved on September 26, 2020, from
Scientifically Reviewed
Last updated: 29 May 2019 (Originally: 29 May 2019)
Last reviewed: By a member of our scientific advisory board on 29 May 2019
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