Effectiveness of a childhood obesity prevention programme delivered through schools, targeting 6 and 7 year olds:

cluster randomised controlled trial (WAVES study)

Peymane Adab, Miranda J Pallan, Emma R Lancashire, Karla Hemming, Emma Frew, Tim Barrett, Raj Bhopal, Janet E. Cade, Alastair Canaway, Joanne L Clarke, Amanda Daley, Jonathan J Deeks, Joan L Duda, Ulf Ekelund, Paramjit Gill, Tania Griffin, Eleanor McGee, Kiya Hurley, James Martin, Jayne M Parry & 2 others Sandra Passmore, K. K. Cheng

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

OBJECTIVE: To assess the effectiveness of a school and family based healthy lifestyle programme (WAVES intervention) compared with usual practice, in preventing childhood obesity.DESIGN: Cluster randomised controlled trial.SETTING: UK primary schools from the West Midlands.PARTICIPANTS: 200 schools were randomly selected from all state run primary schools within 35 miles of the study centre (n=980), oversampling those with high minority ethnic populations. These schools were randomly ordered and sequentially invited to participate. 144 eligible schools were approached to achieve the target recruitment of 54 schools. After baseline measurements 1467 year 1 pupils aged 5 and 6 years (control: 28 schools, 778 pupils) were randomised, using a blocked balancing algorithm. 53 schools remained in the trial and data on 1287 (87.7%) and 1169 (79.7%) pupils were available at first follow-up (15 month) and second follow-up (30 month), respectively.INTERVENTIONS: The 12 month intervention encouraged healthy eating and physical activity, including a daily additional 30 minute school time physical activity opportunity, a six week interactive skill based programme in conjunction with Aston Villa football club, signposting of local family physical activity opportunities through mail-outs every six months, and termly school led family workshops on healthy cooking skills.MAIN OUTCOME MEASURES: The protocol defined primary outcomes, assessed blind to allocation, were between arm difference in body mass index (BMI) z score at 15 and 30 months. Secondary outcomes were further anthropometric, dietary, physical activity, and psychological measurements, and difference in BMI z score at 39 months in a subset.RESULTS: Data for primary outcome analyses were: baseline, 54 schools: 1392 pupils (732 controls); first follow-up (15 months post-baseline), 53 schools: 1249 pupils (675 controls); second follow-up (30 months post-baseline), 53 schools: 1145 pupils (621 controls). The mean BMI z score was non-significantly lower in the intervention arm compared with the control arm at 15 months (mean difference -0.075 (95% confidence interval -0.183 to 0.033, P=0.18) in the baseline adjusted models. At 30 months the mean difference was -0.027 (-0.137 to 0.083, P=0.63). There was no statistically significant difference between groups for other anthropometric, dietary, physical activity, or psychological measurements (including assessment of harm).CONCLUSIONS: The primary analyses suggest that this experiential focused intervention had no statistically significant effect on BMI z score or on preventing childhood obesity. Schools are unlikely to impact on the childhood obesity epidemic by incorporating such interventions without wider support across multiple sectors and environments.TRIAL REGISTRATION: Current Controlled Trials ISRCTN97000586.
Original languageEnglish
Article numberk211
Pages (from-to)1-15
Number of pages15
JournalBMJ
Volume360
DOIs
Publication statusPublished - 7 Feb 2018

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Pediatric Obesity
Randomized Controlled Trials
Pupil
Body Mass Index
Arm
Psychology
Football
Cooking
Postal Service

Keywords

  • Cluster randomised trial, Childhood obesity prevention, Diet, Physical activity, Quality Adjusted Life Years, Schools, Body mass index z-score
  • Body Mass Index
  • Outcome and Process Assessment (Health Care)
  • Humans
  • England
  • Female
  • Male
  • School Health Services/organization & administration
  • Pediatric Obesity/prevention & control
  • Child

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Effectiveness of a childhood obesity prevention programme delivered through schools, targeting 6 and 7 year olds: cluster randomised controlled trial (WAVES study). / Adab, Peymane; Pallan, Miranda J; Lancashire, Emma R; Hemming, Karla; Frew, Emma; Barrett, Tim; Bhopal, Raj; Cade, Janet E.; Canaway, Alastair; Clarke, Joanne L; Daley, Amanda; Deeks, Jonathan J; Duda, Joan L; Ekelund, Ulf; Gill, Paramjit; Griffin, Tania; McGee, Eleanor; Hurley, Kiya; Martin, James; Parry, Jayne M; Passmore, Sandra; Cheng, K. K.

In: BMJ, Vol. 360, k211, 07.02.2018, p. 1-15.

Research output: Contribution to journalArticle

Adab, P, Pallan, MJ, Lancashire, ER, Hemming, K, Frew, E, Barrett, T, Bhopal, R, Cade, JE, Canaway, A, Clarke, JL, Daley, A, Deeks, JJ, Duda, JL, Ekelund, U, Gill, P, Griffin, T, McGee, E, Hurley, K, Martin, J, Parry, JM, Passmore, S & Cheng, KK 2018, 'Effectiveness of a childhood obesity prevention programme delivered through schools, targeting 6 and 7 year olds: cluster randomised controlled trial (WAVES study)', BMJ, vol. 360, k211, pp. 1-15. https://doi.org/10.1136/bmj.k211
Adab, Peymane ; Pallan, Miranda J ; Lancashire, Emma R ; Hemming, Karla ; Frew, Emma ; Barrett, Tim ; Bhopal, Raj ; Cade, Janet E. ; Canaway, Alastair ; Clarke, Joanne L ; Daley, Amanda ; Deeks, Jonathan J ; Duda, Joan L ; Ekelund, Ulf ; Gill, Paramjit ; Griffin, Tania ; McGee, Eleanor ; Hurley, Kiya ; Martin, James ; Parry, Jayne M ; Passmore, Sandra ; Cheng, K. K. / Effectiveness of a childhood obesity prevention programme delivered through schools, targeting 6 and 7 year olds: cluster randomised controlled trial (WAVES study). In: BMJ. 2018 ; Vol. 360. pp. 1-15.
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abstract = "OBJECTIVE: To assess the effectiveness of a school and family based healthy lifestyle programme (WAVES intervention) compared with usual practice, in preventing childhood obesity.DESIGN: Cluster randomised controlled trial.SETTING: UK primary schools from the West Midlands.PARTICIPANTS: 200 schools were randomly selected from all state run primary schools within 35 miles of the study centre (n=980), oversampling those with high minority ethnic populations. These schools were randomly ordered and sequentially invited to participate. 144 eligible schools were approached to achieve the target recruitment of 54 schools. After baseline measurements 1467 year 1 pupils aged 5 and 6 years (control: 28 schools, 778 pupils) were randomised, using a blocked balancing algorithm. 53 schools remained in the trial and data on 1287 (87.7{\%}) and 1169 (79.7{\%}) pupils were available at first follow-up (15 month) and second follow-up (30 month), respectively.INTERVENTIONS: The 12 month intervention encouraged healthy eating and physical activity, including a daily additional 30 minute school time physical activity opportunity, a six week interactive skill based programme in conjunction with Aston Villa football club, signposting of local family physical activity opportunities through mail-outs every six months, and termly school led family workshops on healthy cooking skills.MAIN OUTCOME MEASURES: The protocol defined primary outcomes, assessed blind to allocation, were between arm difference in body mass index (BMI) z score at 15 and 30 months. Secondary outcomes were further anthropometric, dietary, physical activity, and psychological measurements, and difference in BMI z score at 39 months in a subset.RESULTS: Data for primary outcome analyses were: baseline, 54 schools: 1392 pupils (732 controls); first follow-up (15 months post-baseline), 53 schools: 1249 pupils (675 controls); second follow-up (30 months post-baseline), 53 schools: 1145 pupils (621 controls). The mean BMI z score was non-significantly lower in the intervention arm compared with the control arm at 15 months (mean difference -0.075 (95{\%} confidence interval -0.183 to 0.033, P=0.18) in the baseline adjusted models. At 30 months the mean difference was -0.027 (-0.137 to 0.083, P=0.63). There was no statistically significant difference between groups for other anthropometric, dietary, physical activity, or psychological measurements (including assessment of harm).CONCLUSIONS: The primary analyses suggest that this experiential focused intervention had no statistically significant effect on BMI z score or on preventing childhood obesity. Schools are unlikely to impact on the childhood obesity epidemic by incorporating such interventions without wider support across multiple sectors and environments.TRIAL REGISTRATION: Current Controlled Trials ISRCTN97000586.",
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author = "Peymane Adab and Pallan, {Miranda J} and Lancashire, {Emma R} and Karla Hemming and Emma Frew and Tim Barrett and Raj Bhopal and Cade, {Janet E.} and Alastair Canaway and Clarke, {Joanne L} and Amanda Daley and Deeks, {Jonathan J} and Duda, {Joan L} and Ulf Ekelund and Paramjit Gill and Tania Griffin and Eleanor McGee and Kiya Hurley and James Martin and Parry, {Jayne M} and Sandra Passmore and Cheng, {K. K.}",
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TY - JOUR

T1 - Effectiveness of a childhood obesity prevention programme delivered through schools, targeting 6 and 7 year olds:

T2 - cluster randomised controlled trial (WAVES study)

AU - Adab, Peymane

AU - Pallan, Miranda J

AU - Lancashire, Emma R

AU - Hemming, Karla

AU - Frew, Emma

AU - Barrett, Tim

AU - Bhopal, Raj

AU - Cade, Janet E.

AU - Canaway, Alastair

AU - Clarke, Joanne L

AU - Daley, Amanda

AU - Deeks, Jonathan J

AU - Duda, Joan L

AU - Ekelund, Ulf

AU - Gill, Paramjit

AU - Griffin, Tania

AU - McGee, Eleanor

AU - Hurley, Kiya

AU - Martin, James

AU - Parry, Jayne M

AU - Passmore, Sandra

AU - Cheng, K. K.

N1 - Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

PY - 2018/2/7

Y1 - 2018/2/7

N2 - OBJECTIVE: To assess the effectiveness of a school and family based healthy lifestyle programme (WAVES intervention) compared with usual practice, in preventing childhood obesity.DESIGN: Cluster randomised controlled trial.SETTING: UK primary schools from the West Midlands.PARTICIPANTS: 200 schools were randomly selected from all state run primary schools within 35 miles of the study centre (n=980), oversampling those with high minority ethnic populations. These schools were randomly ordered and sequentially invited to participate. 144 eligible schools were approached to achieve the target recruitment of 54 schools. After baseline measurements 1467 year 1 pupils aged 5 and 6 years (control: 28 schools, 778 pupils) were randomised, using a blocked balancing algorithm. 53 schools remained in the trial and data on 1287 (87.7%) and 1169 (79.7%) pupils were available at first follow-up (15 month) and second follow-up (30 month), respectively.INTERVENTIONS: The 12 month intervention encouraged healthy eating and physical activity, including a daily additional 30 minute school time physical activity opportunity, a six week interactive skill based programme in conjunction with Aston Villa football club, signposting of local family physical activity opportunities through mail-outs every six months, and termly school led family workshops on healthy cooking skills.MAIN OUTCOME MEASURES: The protocol defined primary outcomes, assessed blind to allocation, were between arm difference in body mass index (BMI) z score at 15 and 30 months. Secondary outcomes were further anthropometric, dietary, physical activity, and psychological measurements, and difference in BMI z score at 39 months in a subset.RESULTS: Data for primary outcome analyses were: baseline, 54 schools: 1392 pupils (732 controls); first follow-up (15 months post-baseline), 53 schools: 1249 pupils (675 controls); second follow-up (30 months post-baseline), 53 schools: 1145 pupils (621 controls). The mean BMI z score was non-significantly lower in the intervention arm compared with the control arm at 15 months (mean difference -0.075 (95% confidence interval -0.183 to 0.033, P=0.18) in the baseline adjusted models. At 30 months the mean difference was -0.027 (-0.137 to 0.083, P=0.63). There was no statistically significant difference between groups for other anthropometric, dietary, physical activity, or psychological measurements (including assessment of harm).CONCLUSIONS: The primary analyses suggest that this experiential focused intervention had no statistically significant effect on BMI z score or on preventing childhood obesity. Schools are unlikely to impact on the childhood obesity epidemic by incorporating such interventions without wider support across multiple sectors and environments.TRIAL REGISTRATION: Current Controlled Trials ISRCTN97000586.

AB - OBJECTIVE: To assess the effectiveness of a school and family based healthy lifestyle programme (WAVES intervention) compared with usual practice, in preventing childhood obesity.DESIGN: Cluster randomised controlled trial.SETTING: UK primary schools from the West Midlands.PARTICIPANTS: 200 schools were randomly selected from all state run primary schools within 35 miles of the study centre (n=980), oversampling those with high minority ethnic populations. These schools were randomly ordered and sequentially invited to participate. 144 eligible schools were approached to achieve the target recruitment of 54 schools. After baseline measurements 1467 year 1 pupils aged 5 and 6 years (control: 28 schools, 778 pupils) were randomised, using a blocked balancing algorithm. 53 schools remained in the trial and data on 1287 (87.7%) and 1169 (79.7%) pupils were available at first follow-up (15 month) and second follow-up (30 month), respectively.INTERVENTIONS: The 12 month intervention encouraged healthy eating and physical activity, including a daily additional 30 minute school time physical activity opportunity, a six week interactive skill based programme in conjunction with Aston Villa football club, signposting of local family physical activity opportunities through mail-outs every six months, and termly school led family workshops on healthy cooking skills.MAIN OUTCOME MEASURES: The protocol defined primary outcomes, assessed blind to allocation, were between arm difference in body mass index (BMI) z score at 15 and 30 months. Secondary outcomes were further anthropometric, dietary, physical activity, and psychological measurements, and difference in BMI z score at 39 months in a subset.RESULTS: Data for primary outcome analyses were: baseline, 54 schools: 1392 pupils (732 controls); first follow-up (15 months post-baseline), 53 schools: 1249 pupils (675 controls); second follow-up (30 months post-baseline), 53 schools: 1145 pupils (621 controls). The mean BMI z score was non-significantly lower in the intervention arm compared with the control arm at 15 months (mean difference -0.075 (95% confidence interval -0.183 to 0.033, P=0.18) in the baseline adjusted models. At 30 months the mean difference was -0.027 (-0.137 to 0.083, P=0.63). There was no statistically significant difference between groups for other anthropometric, dietary, physical activity, or psychological measurements (including assessment of harm).CONCLUSIONS: The primary analyses suggest that this experiential focused intervention had no statistically significant effect on BMI z score or on preventing childhood obesity. Schools are unlikely to impact on the childhood obesity epidemic by incorporating such interventions without wider support across multiple sectors and environments.TRIAL REGISTRATION: Current Controlled Trials ISRCTN97000586.

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KW - Body Mass Index

KW - Outcome and Process Assessment (Health Care)

KW - Humans

KW - England

KW - Female

KW - Male

KW - School Health Services/organization & administration

KW - Pediatric Obesity/prevention & control

KW - Child

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U2 - 10.1136/bmj.k211

DO - 10.1136/bmj.k211

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JO - British Medical Journal

JF - British Medical Journal

SN - 0959-8146

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