19 March 2014

Cultural practices may cause weight gain in babies

Cultural differences in childcare can influence childhood obesity, but everyone should do their best to prevent this early in life.


Obesity prevention efforts directed at infants may not work if cultural differences in childcare are not taken into account, suggests a new US study.

Researchers found specific practices thought to promote childhood obesity – from putting infants to bed with bottles to feeding them while watching television – were more common in certain racial and ethnic groups compared to others.

Read: Childhood obesity starts at home

"Rather than focus on the ethnic and racial differences, these results show us that we can all do better and begin our efforts to prevent obesity earlier in life," lead author Dr Eliana Perrin told Reuters Health. "I'm hoping this study is a wake-up call that families of all races and ethnicities need early counselling to lead healthier lives," said Perrin, a paediatrician and professor at the University of North Carolina-Chapel Hill School of Medicine.

Early weight problems

More than one quarter of US children aged two to five years old are overweight or obese, according to Perrin and her co-authors, whose results are published in Paediatrics. Early weight problems are linked to an increasing likelihood of obesity – and all its attendant health risks – as kids grow into teens and adults.

Read: Early overweight sets stage for later obesity

Perrin's team enrolled 863 parents who brought their infants to one of four university-affiliated paediatric clinics for a two-month-old preventive services visit. The researchers asked parents about a variety of behaviours that have been linked to childhood obesity in previous research.

Most of the participating parents were mothers and the questions covered topics including what infants ate, how the food was given to them, activities parents performed during or around mealtime and measures of babies' physical activity levels.

The researchers found that more than 80% of the two-month-olds had been introduced to formula, and 12% had been fed solid food, although the American Academy of Paediatricians (AAP) urges mothers to feed their babies breast milk exclusively for the first six months.

More than one third of parents reported coaxing their babies to finish drinking bottles, and nearly a quarter propped bottles in their infants' cribs or bassinets. Nearly half the parents reported watching television while feeding their infants, and 43% reported putting their babies to bed with a bottle.

Talking about television

Half the infants in the study actively watched an average of 25 minutes a day of TV, although the AAP discourages television for children under the age of two. "Most paediatricians don't talk about television until a baby is at least 12 to 15 months old. Think this study tells us we need to talk about television early on in a baby's life," Perrin said.

"The message should be 'talk with your babies, play with your babies, allow your babies to begin to prop themselves up in a safe space, try not to have them watch television and try to notice when you're feeding them whether they're hungry or full,'" she said

Babies who get food every time they cry and are prodded to eat when they are sated may learn to reach for food whenever they feel any kind of need, Perrin said.

Unhealthy behaviours

When the researchers looked at the unhealthy behaviours by racial and ethnic group, no single group was free of the bad habits, but some were more common in certain cultures compared to the others.

Hispanic infants watched an average of 11 minutes of television a day, for example, whereas white children watched an average of 24 minutes and African-American children watched an average of 51 minutes. Less than 4%of Hispanic parents had introduced their infants to solid foods, whereas 16% of white mothers and nearly a quarter of black mothers had.

Compared with white parents, black parents were twice as likely to put children to bed with a bottle and three times as likely to prop a bottle on something like a blanket during feeding instead of holding it. Hispanic parents were about twice as likely as whites to encourage children to finish the contents of the bottle and to prop the bottle.

Dr Alma Guerrero, a paediatrics professor from Mattel Children Hospital UCLA in California, called the findings on the amount of time babies spent in front of television "astonishing". Guerrero agreed the results underscore the need for early counselling across ethnic groups.

Counselling for newborn parents

"It highlights the point that families from all races and ethnicities need counselling on early infancy feeding and activity behaviours," she told Reuters Health. Guerrero, who was not involved in the current study, recently began work on a five-year study of dietary behaviours that lead to obesity in Latino children between six months and five years old. The results of the current study led Guerrero to consider looking at even younger babies, she said.

Perrin said she hoped that clinicians could use data from her study to target counselling for newborn parents based on their ethnic background.

Read more:

Overweight kids risk high blood pressure

Grade 1s shun overweight kids

Breastfeeding may reduce childhood obesity




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