. Author manuscript; available in PMC: 2022 Dec 1.

Published in final edited form as: Obes Rev. 2021 Sep 1;22(12):e13335. doi: 10.1111/obr.13335

Table 8.

Recruitment strategies most used in the systematic review for children participation in nutrition, physical activity, and obesity interventions studies

Recruitment strategies	Number of studies	References
Face-to-face recruitment	7	^{36,38-40,42,44,46}
Healthcare provider referrals	6	^{28,40,44,46,48,51}
Partnering with communities (clinics and/or public schools)	6	^26,38-41,44
Mailing letters and e-mails	5	^{25,28,39,46,51}
Flyers	5	^{25,28,36,39,48}
Social media	5	^{25,26,39,40,51}
Repeated telephone calls and texts	5	^{28,38,41,44,51}