Table 2.

eHealth term or intervention discussed by authors.

Term	Studies
eHealth: portable health clinic (PHC)	Hossain et al [24]
mHealth: interactive calls and call center	Yasmin et al [33]
mHealth: voice calls and texting	DeSouza et al [21] and Ramachandran et al [30]
Digital health: email and texting	Anand et al [20]
Health apps and web-based sources	Makowsky et al [27]
Internet for health purposes	Vyas et al [32]
Photovoice	Hyman et al [25]
mHealth: video-based calls and in-person	Kumar et al [26]
mHealth: texting	Prinjha et al [28]
Digital health service	Teo et al [31]