4. Outcome summary by theory base and evidence quality.

Studya	Pregnancies or births	Contraceptive use (non‐condom)	Condom use	Dual‐method use	Evidence qualityb
Social cognitive theory
Black 2006	Repeat pregnancy	_	_	_	High
Sieving 2013	_	Hormonal consistency	Consistency	Consistency (OCs + condoms)	Moderate
Wight 2002	NS	NS	NS	_	Moderate
Coyle 2001	_	Effective method	Last sex; past 3 mo	_	Moderate
Coyle 2006	NS	NS	Last sex; past 3 mo	_	Moderate
Tortolero 2010	_	_	NS	_	Moderate
Markham 2012	_	_	RA: last sex; NS, past 3 mo RR: last sex; past 3 mo	_	Moderate
Raj 2016	NS	NS	_	_	High
Motivational interviewing or IMB model
Boyer 2005	NS	_	NS	_	Low
Floyd 2007	_	Effective	_	_	Moderate
Ceperich 2011	_	Less ineffective	_	_	Moderate
Rendall‐Mkosi 2013	_	Less ineffective	_	_	Moderate
Petersen 2007	NS	NS	_	_	High
Kirby 2010	NS	NS	NS	_	Moderate
Whitaker 2016	_	LARC; NS, effective method	_	_	Moderate
Transtheoretical model
Peipert 2008	NS	_	NS	NS	Low
Barnet 2009	NS	_	_	_	High
Davidson 2015	_	NS	_	_	Moderate
Gold 2016	_	_	NS	_	Low
Additional theories or modelsc
Schinke 1981	_	Habitual; less inadequate	_	_	Low
Stanton 2004	Pregnancy, self‐report	NS	NS	_	Low
Berenson 2012	NS	C+P: OCs consistently C: NS	C+P: last sex C: NS	NS	Low
Gilliam 2014	_	NS	_	_	Low
Taylor 2014	_	_	Any; NS, consistent	_	Low
Schuler 2015	_	NS	_	_	Low

^aTable has primary outcomes for this review by theory or model base; for explanation of comparison groups or outcomes, see Characteristics of included studies 
 ^bFrom Table 4 
 ^cCognitive and behavioral training (Schinke 1981); Protection Motivation Theory (Stanton 2004); Health Belief Model (Berenson 2012); human‐centered design and Theory of Planned Behavior (Gilliam 2014); integrated model, I‐Change (Taylor 2014); social and behavioral change model, C‐Change (Schuler 2015)
 C+P and C: counseling + phone calls group and counseling‐only group
 IMB: Information‐Motivation‐Behavioral Skills model
 LARC: long‐acting reversible contraception
 NS: no significant difference between study groups