Table 4 Overview of Synthesis and Included Studies (OSIS)
Study ID | Study design | Preconception/antenatal care | Participants | Implementation strategies | Comparator | Outcomes | Method of synthesis |
|---|---|---|---|---|---|---|---|
Tobacco smoking | |||||||
 Bakker et al. (2003) [67] | RCT | Antenatal care | Private midwifery practices Midwives | Clinical practice guidelines Educational meetings Educational materials | Usual practice/control | Ask Advise Assess Assist Arrange | Meta-analysis Meta-analysis Meta-analysis Meta-analysis Meta-analysis |
 Bar-Zeev et al. (2019) [52] | Cluster RCT | Antenatal care | Aboriginal Medical Services General Practitioners, midwives, Aboriginal Health Workers and other allied health providers | Clinical practice guidelines Educational meetings Educational materials Tailored intervention | Usual practice/control | Ask Advise Assess Assist Arrange | Meta-analysis Meta-analysis Meta-analysis Meta-analysis Meta-analysis |
 Hajek et al. (2001) [68] | RCT | Antenatal care | Midwifery services in hospital and community trusts Midwives | Educational meetings Educational materials Reminders | Usual practice/control | Ask Advise Assist | Meta-analysis Meta-analysis Meta-analysis |
 Tsoh et al. (2010) [74] | RCT | Antenatal care | Community prenatal clinics Prenatal healthcare providers | Reminders | Usual practice/control | Advise | Meta-analysis |
 Althabe et al. (2017) [71] | Cluster RCT | Antenatal care | Antenatal care clinics Midwives and obstetrician/gynaecologists | Educational meetings Educational outreach visits, or academic detailing Local opinion leaders Reminders Tailored intervention | Educational meetings | Ask Advise Assist Arrange | Direction of effect Direction of effect Direction of effect Direction of effect |
RCT | Antenatal care | Public hospital antenatal clinics Doctors and midwives | Audit and feedback Educational materials Educational meetings Educational outreach visits, or academic detailing Tailored intervention | Educational materials | Ask Advise Assist Arrange | Direction of effect Direction of effect Direction of effect Direction of effect | |
 Secker-walker et al. (1992) [73] | RCT | Antenatal care | Maternal infant care clinic Obstetric and family practice residents | Educational meetings Reminders | Educational meetings | Ask Advise Assist | Direction of effect Direction of effect Direction of effect |
 Manfredi et al. (2011) [72] | Cluster RCT | Antenatal care | Maternal and child health public health clinics Doctors and nurses | Clinical practice guideline Educational materials Educational meetings Educational outreach visits, or academic detailing | Clinical practice guideline Educational materials Educational meetings | Advise Assist | Direction of effect Direction of effect |
Weight management | |||||||
 Brownfoot et al. (2016) [53] | RCT | Antenatal care | Antenatal clinics in a tertiary obstetric hospital Antenatal care providers | Educational materials Reminders | Usual practice/control | Assess | Meta-analysis |
 Omer et al. (2020) [51] | Cluster RCT | Antenatal care | Antenatal care units in community health centres Health officers, nurses and midwives | Educational materials Educational meetings Educational outreach visits, or academic detailing | Usual practice/control | Assess Advise | Meta-analysis Direction of effect |
 Aguilera et al. (2017) [49] | Non-randomised | Antenatal care | Obstetrics practices Physicians and nurses | Educational meetings Educational materials | Usual practice/control | Advise | Meta-analysis |
 Malta et al. (2016) [50] | Non-randomised | Antenatal care | Primary care services and family health units Doctors and nurses | Educational materials Educational meetings Local consensus process Tailored intervention | Usual practice/control | Advise | Meta-analysis |
Alcohol consumption | |||||||
 Bazzo et al. (2015) [75] | Non-randomised | Antenatal care | Hospital obstetrics and gynaecology units Midwives | Educational meetings | Usual practice/control | Advise | Meta-analysis |
 Mwansa-Kambafwile et al. (2011) [76] | Non-randomised | Preconception care | Public healthcare services Public sector healthcare workers | Educational materials Educational meetings | Usual practice/control | Assess Advise | Direction of effect Meta-analysis |