Wei 2017.

Study characteristics
Methods	Study design: randomised controlled trial Study grouping: parallel group
Participants	Baseline characteristics Experimental group: active intervention and regular management. Age (mean ± SD): NR Sex (N (% female)): NR Sample size: 51 Years of experience (mean ± SD): NR Control (no intervention) Age (mean ± SD): NR Sex (N (% female)): NR Sample size: 51 Years of experience (mean ± SD): NR Overall Age (mean ± SD): NR Sex (N (% female)): NR Sample size: 102 Years of experience (mean ± SD): NR Included criteria: NR Excluded criteria: NR Pretreatment: there were no significant differences between the control group and intervention group nurses in the job burnout scales before the intervention Compliance rate: NR Response rate: NR Type of healthcare worker: exclusively nurses
Interventions	Intervention characteristics Experimental group: active intervention and regular management. Type of the intervention: Intervention type 1 ‐ to focus one’s attention on the experience of stress Description of the intervention : Classes pertaining to communication skills, approaches to conflict, efficacy elevation, and emotion control, as well as working skills The number of sessions: NR Duration of each session on average: 30 minutes Duration of the entire intervention: 6 months Duration of the entire intervention short vs long: long Intervention deliverer: Nurse managers Intervention form: group Control (no intervention) Type of the intervention: NA Description of the intervention: NA The number of sessions: NA Duration of each session on average: NA Duration of the entire intervention: NA Duration of the entire intervention short vs long: NA Intervention deliverer: NA Intervention form: NA
Outcomes	Maslach Burnout Inventory ‐ Emotional Exhaustion Outcome type: ContinuousOutcome Maslach Burnout Inventory ‐ Depersonalisation Outcome type: ContinuousOutcome Maslach Burnout Inventory ‐ Personal accomplishment (lack of) Outcome type: ContinuousOutcome
Identification	Sponsorship source: NR Country: China Setting: Hospital Comments: NA Authors name: Rong Wei Institution: Department of Clinical Nursing, Qianfoshan Hospital, Jinan, Shandong, China. Email: lijianxin0531@126.com Address: Jianxin Li, Department of Clinical Nursing, Qianfoshan Hospital, NO. 16766, Jingshi Road, Jinan, Shandong, China; Time period: NR
Notes	MBI‐EE included in analysis 1.1.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Quote: "total of 112 registered nurses were randomly selected from 3 of 8 comprehensive high‐level hospitals in Jinan, China." Only mentioned that nurses where randomly selected.
Allocation concealment (selection bias)	Unclear risk	Unable to judge whether participants and/or investigators could possible foresee assignment
Blinding of participants and personnel (performance bias) All outcomes	High risk	Participants not blinded.
Blinding of outcome assessment (detection bias) All outcomes	High risk	Participants not blinded whereas outcomes are self‐reported.
Incomplete outcome data (attrition bias) All outcomes	Low risk	No loss to follow‐up.
Selective reporting (reporting bias)	Unclear risk	No trial registration or no study protocol reported, nor did we find one online
Other bias	Unclear risk	Compliance rate and response rate not reported.