Luthar 2017.

Study characteristics
Methods	Study design: randomised controlled trial Study grouping: parallel group
Participants	Baseline characteristics Authentic Connections Groups Age in years (mean ± SD): 38.8 ± 6.1 Sex (N (% female)): 21 (100%) Sample size: 21 Years of experience (mean ± SD): NR Control (no intervention) Age in years (mean ± SD): 39.4 ± 4.8 Sex (N (% female)): 19 (100%) Sample size: 19 Years of experience (mean ± SD): NR Overall Age in years (mean ± SD): NR Sex (N (% female)): 40 (100%) Sample size: 40 Years of experience (mean ± SD): NR Included criteria: inclusion required at least one child 18 years of age or younger. Excluded criteria: NR Pretreatment: other than the difference in proportion of NP/PAs and physicians, the intervention and control groups did not differ in demographics, baseline adjustment or cortisol levels. Type of healthcare worker: female (physicians, PhD’s in clinical practice, NPs, and PAs) Response rate: NR Compliance rate: 100%
Interventions	Intervention characteristics Authentic Connections Groups Type of the intervention: Intervention type 4 ‐ combination of interventions Description of the intervention: The central goal underlying this intervention was to facilitate authentic, supportive relationships among mothers. ACG meetings were based in respect, empathy, and empowerment. Although there were clear topics and exercises, sessions were non‐didactic in nature, based in guided discussions and role plays. The number of sessions: 12 Duration of each session on average: 1 hour Duration of the entire intervention: 12 weeks Duration of the entire intervention short vs long: long Intervention deliverer: A female psychiatrist (J.E.), a skilled female group facilitator trained in the manualized procedures. Intervention form: Group Control (no intervention) Type of the intervention: NA Description of the intervention: Protected time to use as they chose The number of sessions: 12 Duration of each session on average: 1 hour Duration of the entire intervention: 12 weeks Duration of the entire intervention short vs long: long 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 Outcome type: ContinuousOutcome Beck Depression Inventory Outcome type: ContinuousOutcome
Identification	Sponsorship source: This study was supported by a Seed fund from Arizona State University to Luthar. Mayo Clinic funded and supported medical‐care professionals’ time to participate in study activities Country: United States Setting: Mayo Clinic Comments: NR Authors name: Suniya S. Luthar Institution: Department of Psychology, Arizona State University, Tempe, Arizona Email: Suniya.Luthar@asu.edu Address: 950 S. McAllister Drive, Tempe, AZ85281 Time period: February to November 2015
Notes	MBI‐EE included in analysis 4.1 Beck Depression scale included in analysis 4.4
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Quote: "Participants were assigned randomly to the ACG intervention group (n ¼ 21) or to the control group (n ¼ 19)"
Allocation concealment (selection bias)	Unclear risk	Not mentioned.
Blinding of participants and personnel (performance bias) All outcomes	Low risk	Quote: "With blinded random assignment,"
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Participants were blinded and outcomes self‐reported.
Incomplete outcome data (attrition bias) All outcomes	Low risk	Quote: "On psychological measures, one participant was missing data on parenting stress at follow‐up. On biological measures, pregnancies and maternity leaves precluded draws from one woman throughout, and from two at the follow‐up. An additional two could not schedule times to provide samples at follow‐up, and two were statistical outliers and removed from the analysis (> 2 SD from the mean)."
Selective reporting (reporting bias)	Unclear risk	No trial registration nor did we find one online.
Other bias	Unclear risk	Response rate not reported.