Table 1

Studies Included – with study design and sample size

AuthorsStudy designSample size
Auer et al. (2022) Mixed quasi-experimentalCoached group (n = 545)
Control group (n = 460)
Bajpai (2024) QualitativeExecutive coaches (n = 25)
Berry et al. (2011) QuantitativeCoaches (n = 102)
Deniers (2019) QualitativeProfessionals (n = 11)
Diller and Passmore (2023) QualitativeCoaches (n = 260)
Fainstad et al. (2022) Randomised controlled trialIntervention group (n = 50)
Control group (n = 51)
Geissler et al. (2014) Mix methodsProfessionals (n = 14)
Giusino et al. (2023) Quantitative: longitudinalHealthcare workers (n = 62)
Hunt et al. (2019) Mix methods: longitudinal study with a control groupIntervention Group (n = 24)
Control Group (n = 16)
Innegraeve and Passmore (2024) QualitativeExecutive coaches (n = 9)
Jackson and Bourne (2020) Mix methodsProfessionals (n = 12)
Jeannotte et al. (2021) Quantitative: longitudinalProfessionals (n = 391)
L'Engle et al. (2024) QuantitativeHealthcare professionals (n = 34)
Lynden and Avery (2016) QualitativeSeven workplace coaches
Two coachees (Workplace employees)
Mann et al. (2022) QualitativeMedical trainees (n = 17)
McLaughlin (2013) QualitativeExecutive coaches (n = 6)
Meyer (2023) QualitativeCoaches (n = 7) Coachees (n = 6)
Michalik and Schermuly (2024) QuantitativeCoaches (n = 117) Clients (n = 104)
O'Donovan et al. (2024) QualitativeHealthcare workers (n = 11)
Otte et al. (2014) QuantitativeCoaches (n = 161)
Schermuly et al. (2022) Mix methodsExperts (n = 16) Participants (822)
Steketee et al. (2022) Mix methodsHealth researchers (n = 16)
van Coller-Peter and Manzini (2020) QualitativeCoaches (n = 6) Clients (n = 6)
van Nieuwerburgh et al. (2021) QualitativeCoachees (n = 6)
Weinberg and Hausfeld (2024) Quantitative: longitudinalProfessionals (n = 196)
Source(s): Table created by authors

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