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Table 3 Quality assessments and methodological parameters for synthesised studies

From: Socioeconomic gradients in the effects of universal school-based health behaviour interventions: a systematic review of intervention studies

Study name Main reference Study quality Sample size (school or class/individual) Retention (numbers analysed) (school or class/individual) Length of intervention Length of follow-up
Intervention Control Intervention Control
AFLY5 Kipping et al. 2014 Moderate 30/1064 30/1157 30/1024 30/1097 7-11 months Immediate post-intervention / 1 year
ASSIST Campbell et al. 2008 Moderate 30/5187 29/5074 30/5058/5044/4966 (post intervention/1 year/2 year) 29/4753/4865/4700 4 months Immediate post-intervention/ 1 year / 2 years
School fruit scheme Bere et al. 2010 Weak 27/1488 (total N. Natural experiment - baseline survey prior to adoption or non-adoption) 27/1339 followed up (10 had adopted subscription, 5 free and 12 none) Unclear 7 years after baseline survey
Crone et al. 2011 Crone et al. 2011 Weak 62/1756 59/1417 62/1010 59/805 2 academic years Immediate post-intervention / 1 year
EHealth4us Bannink et al. 2014 Moderate 20/533 20/615 20 / 392 20 / 434 1 month 4 months
20/554 (2 arms)   20/430    
Energize Rush et al. 2012 Weak 62 62 62/692 62/660 Variable (at least 18 months) 2 years
ESFA Ariza et al. 2008 Moderate 16/1083 37/886 13/690 37/603 3 years Immediate post-intervention
EUDap Faggiano et al. 2010 Moderate 78 (26/27/25)/1190/1164/1193 65/3532 26/27/24/6 months:1084/1068/1044 64/ 6 months: 3174 18 months: 2730 4 months 6 months/ 18 months
(basic arm/parent arm/ peer arm)   18 months: 956/972/883    
FatAintPhat Ezendam et al. 2012 Moderate 11/485 11/145/385/395 (shuttle run/behaviour/anthropometry) 9/398 9/282/333/340 10 weeks 4 months/ 2 years
HEIA Grydeland et al. 2012 Moderate 12/553 25/975 12/8 months: 541/20 months: 519 25/8 months: 970/20 months: 945 20 months 8 months/ 20 months
KOPS Plachta-Danielzik 2011 Weak 14/780 32/4217 14/4 years:345/8 years: 239 32/4 years:1419/8 years:950 2-3 weeks 4 years/ 8 years
Avall Llargues et al. 2011 Weak 8/272 8/237 8/not specified 8/not specified 2 years Immediate post-intervention
STOPP Marcus et al. Moderate 5/1670 5/1465 5/1538 5/1430 1-4 years (mean: 613 days) Immediate post-intervention
MYTRI Perry et al. 2009 Moderate 16/6365 16/7698 16/3626 16/4321 2 academic years Immediate post-intervention
PAS Koning et al. 2009 Moderate 5/689 4/779 5/5/5/10-22 months: 608/675/588/ 34 months: 603/671/582/ 4 years: 254/291/193 4/10-22 months: 699/ 34 months: 677/ 4 years: 326 1 year 10 months/ 22 months/34 months/ 4 years
5/771  
5/698  
(3 arms)  
Promise Stallard et al. 2012 Weak 10/1753 9/1604 10/308 9 /242 1 academic year 12 months
9/1673 (active intervention/attention control) High risk subsample: 392/374 298 9/296 (only high risk followed up)
PSFBI Murphy et al. 2011 Moderate 55/2205 56/2145 55/2272 56/2200 12 months Immediate post-intervention
Smart Lunchbox Evans et al. 2010 Moderate 44/577 44/671 40/432 43/539 5 months 12 months
SPACE Toftager et al. 2014 Weak 7/612 7/699 7/515 7/545 2 years Immediate post- intervention
Pro Children Te Velde et al. 2008 Moderate 32/990 30/811 32/798 30/674 9 months Immediate post-intervention