Zheng 2021b.

Methods	The paper is in Chinese; translation is not available. Study design:  RCT Country: China
Participants	Patients with acute myocardial infarction (AMI) Inclusion criteria:  a. patients with acute myocardial infarction (AMI) who received percutaneous coronary intervention (PCI） Exclusion criteria: not specified Stated purpose:  to explore the application effect of peer support interventions in the nursing of patients with acute myocardial infarction (AMI) after percutaneous coronary intervention (PCI）
Interventions	Intervention: Peer support intervention Peer support intervention in addition to routine health education guidance and follow⁃up management Control: Usual care (routine health education guidance and follow⁃up management)
Outcomes	Participants'outcomes of interest for this review Mental health symptoms/anxiety – Hospital Anxiety and Depression Scale (HADS) Mental health symptoms/depression – Hospital Anxiety and Depression Scale (HADS) Quality of life – European Quality of 5‐Dimensions (EQ‐5D） Economic outcomes Nil Time points: baseline, post‐intervention (immediate post 6‐month intervention)
Notes	Source of funding: not specified Prospective trial registration number: not specified

AMI: acute myocardial infarction
APRS: Adolescent Psychological Resilience Scale
BAI: Beck Anxiety Inventory
CAC: Community Advisory Committee
CDI: Children’s Depression Inventory
CHW: community health workers
DASS‐21: Depression Anxiety Stress Scale‐21
DVD: digital video disc
EBDS: Emotional Behavioral Disorders Scale
EPDS: Edinburgh Postnatal Depression Scale
EQ‐5D‐3L: European Quality of Life 5‐ Dimension 3‐Level
ESR: emotional self‐rating scale
FPE: family psychoeducation
GROW: Global Resilience Oral Workshops
HADS: Hospital Anxiety and Depression Scale
HIV: human immunodeficiency virus
K‐10: Kessler‐10 Item Scale
LSS: Life Satisfaction Scale
OA: osteoarthritis
OCP: oral contraceptive pill
PANAS: Positive and Negative Affect Schedule
PCI: percutaneous coronary intervention
PPD: postpartum depression
PSS: Perceived Stress Scale
PTSD: post‐traumatic stress disorder
PWB: Ryff Psychological Well‐being scale
PWUD: people who use drugs
RCT: randomized controlled trial
SDQ: Strengths and Difficulties Questionnaire
SDS: Zung Self‐Rating Depression Scale ‐ short version
SF‐36: Short Form Health Survey
STAI: State‐Trait Anxiety Inventory
TTM: trans‐theoretical model
VAS: Visual Analogue Scale
WPAQ: Wendenburg Pregnancy Anxiety Questionnaire