Table 1 Search strategy terms

depress^a.tw.

prevent^a.tw.

RCT.tw.

eHealth.tw.

prevent^a.ti.

anxi^a.tw.

resilienc^a.tw.

efficacy.tw.

internet^a.tw.

resilienc^a.ti.

mood disorder.tw.

at-risk^a.tw.

random allocation.tw.

online.tw.

at-risk^a.ti.

common mental^a.tw.

at risk^a.tw.

effectiveness.tw.

app.tw.

at risk^a.ti.

obsessive compulsive.tw.

early intervention^a.tw.

exp randomized controlled trial/

self-directed/ self directed.tw.

early intervention^a.ti.

panic.tw.

subsyndromal^a.tw.

randomi^a.tw.

web-based/web based.tw.

depress^a.ti.

post-traumatic stress.tw.

subthreshold^a.tw.

trial.tw.

smart-phone^a/ smartphone^a.tw.

common mental^a.ti.

subclinical^a.tw.

controlled clinical trial/

mobile phone^a.tw.

anxi^a.ti.

clinical trial/

cell phone^a.tw.

subsyndromal^a.ti.

technology-assisted.tw.

subthreshold^a.ti.

mHealth

subclinical^a.ti.

mobile health.tw.

unsupported.tw.

unguided.tw.

self-help/ self help.tw.

self-guided/ self guided.tw.

app-based.tw.