Prevalence and trends in child PA and SB Flashcards

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1
Q

What are the UK recommendations for PA and SB for children <5

A

those capable of walking should do at least 3 hours of PA, spread evenly through the day

should minamise the amount of time spent sedentary for prolonged periods

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2
Q

what are the UK recommendations for PA and SB for children aged 5-18

A

engage in at least 60 mins MVPA, up to several hours per day

vigorous intensity activity, including that which strengthens muscle, should be incorporated at least 3 times a week

minimise time spent sedentary for extended periods

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3
Q

Give some findings of note from the millennium cohort study

what is the strength of this study

A

50% or 7year olds were meeting the PA recommendations

generally more boys than girls met them

lowest ethnic group meeting guidelines by % was south Asian

Was good because it was accelerometry data and so was objective

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4
Q

what is the trend in the annual decline in levels of PA

A

rate of decline was greater for the last decade than for the previous two

a greater increase in the rate of decline was seen for girls

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5
Q

Give some findings of note from the International Children’s Accelerometry Database

A

at 9-7 boys were slightly more active than girls

as they get older, the difference between them increases

overall level of activity decreases for both sexes with age

a very small portion of children met guidelines on everyday measured

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6
Q

Give some encouraging findings from the international study of childhood obesity, lifestyle and the environment

A

despite not meeting the guidelines, most children did enough PA to be very close

so overall, picture not as bad as data of % of children meeting the guideline would suggest

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7
Q

what are the trends seen for PE time and outdoor play in the UK

A

PE time reducing
also no longer compulsory to do 2hrs per week

37% decline in ourdoor play between 1997 and 2003

decline in % of children doing some activity
increase in % doing no activity

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8
Q

Give some possible reasons for the decline in PA and the increase in SB

A

decline in active transport

changing leisure activities, more are now screen based

change in parental attitudes towards PA

labour saving devices

less safe for children to go out

society discourages outdoor play

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9
Q

what trends are seen in childhood SB

A

% of time spent sedentary increases with age

throughout childhood, girls are more sedentary that boys

children are more likely to spend a large amount of time being sedentary at the weekend

extreme levels of SB (>6hrs) is more prevelent in boys

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10
Q

How has children’s exposure to screen based technologies changed with time

A

TV consistent

computers and game consoles in slight decline

tablet computer use/ownership rapidly increasing
(% of children owning a tablet increases with age)

Smartphone ownership is also increasing

self-reported media exposure steadily increasing between 1960-2000
rate of increase much greater after 2000

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11
Q

when children’s PA and SB was compared to that of children in a traditional community, what was found

A

traditional children had more overall activity, particually at high and moderate intensities

but was no real difference in SB, bc children were still at school for long periods etc

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12
Q

why has it been said that surveillence of PA in the UK is flawed?

A

original questionnaire used until 2008 was flawed

found to over-estimate MVPA when compared to accelerometer data

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13
Q

give three factors which can explain why child travel behaviour has changed in recent years

A

development of a car orientated environment

increase in number of mothers at work

change in attitude towards children’s independent mobility

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14
Q

what is the difference in terms of definition and in terms of energy expenditure between free play and organised play

A

free play = just going outside to play

organised play = clubs, football practice etc

organised play generally doesn’t have as much overall energy expenditure because children are driven there

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15
Q

what’s the association between car ownership and amount of walking a child does

A

more car ownership = less child walking

car use is method of transport for over 50% of child journeys

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16
Q

give two reasons for the high % of children who travel to school by car

A

increasing/large distance between school and home

journey to school is part of parent’s journey to work and so is easier to drive them there

17
Q

what is one of the main cited reasons why there has been a decrease in children walking to school

A

traffic danger

18
Q

what is the association between time spent walking and time spent doing MVPA

A

positive correlation so more walking = more active through the day