Table 2.

Key elements of programs reported in included studies

Program First Author (year published)	Summary	Solely class-based	Changes during delivery	Program Support	Delivered by teacher	Delivered by outsider	Significant Implementation	Age Appropriate
RALLY Malti, (2008) [36]	Multi-component program with a few components delivered universally in the classroom Duration: school year		✓			✓		✓
MBSR Sibinga (2016) [30]	Based on adult mindfulness curriculum, three core sections focusing on didactic mindfulness, mindfulness practice, applications to life Duration: 12 weeks	✓				✓		✓
Learn Young, Learn Fair Kraag (2009) [39]	Weekly hour-long lessons with optional, additional five weekly booster sessions, homework assignments, daily exercises Duration: 7 months	✓		✓	✓		✓
Zippy’s Friends Mishara (2006) [32] Clarke (2014) [33] Dufour (2011) [34] Holen. (2012) [35] Clarke (2015) [31]	24 sessions conducted each week built around 6 stories of a group of children and their pet insect Zippy; each module focusing on a theme with participatory activities Duration: 24 weeks	✓	✓	✓	✓		✓	✓
Up Nielsen (2015) [37]	Year-long program with four themes focusing on education and activities for school children, staff skill development, parental involvement and school initiatives Duration: 1 year			✓		✓
Strong Start Caldarella (2009) [40]	Programing with weekly direct instruction sessions with scenarios, role plays, think/pair/share activities, children’s literature and a curriculum mascot Duration: 6 weeks	✓	✓		✓		✓	✓
You Can Do It! Education Yamamoto (2017) [38]	8 × 45 min intervention sessions focused on themes such as emotions, ‘resilience boosters’, and ‘using your head’ accompanied by activities that promote the topic and foster resilience and emotional intelligence Duration 20 weeks (program delivery was affected by time constraints in the school, school vacations, and classroom obligations. Hence, a reduced smaller number of sessions were conducted during the time allotment of 20 weeks.)	✓	✓			✓		✓