1. Intervention fidelity information.

Study	Curriculum or manual	Provider credentials	Training for intervention	Assessed adherence to protocol	Assessed intervention receipta	Fidelity criteria
Foreit 1993	‐‐‐	Educators for counseling; physicians for IUD insertion	5 days for educators on FP; 4 days for physicians on IUD insertion	‐‐‐	‐‐‐	2
Hardy 1998	Counseling material; leaflet on LAM for participants	‐‐‐	Training of all personnel on FP, including LAM as method	‐‐‐	‐‐‐	2
Nacar 2003	20‐minute educational session plus pamphlet	Researchers	‐‐‐	‐‐‐	‐‐‐	2
Abdel‐Tawab 2008	Birth‐spacing messages and material for education and communication	Health care (HC) providers (physicians, nurses, Raedat Refiyat (community workers); community leaders	3 days for HC managers and supervisors as trainers; 3 days for HC providers; 2 days for community leaders	Monthly supervision and monitoring visits by MCH and FP supervisors; checklists for monitoring intervention components.	Clinic exit interview had several knowledge and attitude items.	5
Lee 2011	Sexual health program (pamphlet) and educator guide booklet	Obstetric nurse educator	‐‐‐	‐‐‐	Assessed sexual health knowledge and attitudes and contraceptive self‐efficacy.	3
Sebastian 2012	Educational materials and counseling aids	Community midwife for antenatal clinic (18 months training); social health activist for counseling in homes (3 weeks training); anganwadi workers for counseling (1 month plus on‐job training)	1 day for medical and child development officers, who trained community workers over 2 days (with counseling practice)	Supervisors spot‐checked knowledge of women; project staff observed counseling quality and content.	Knowledge assessed at 4 and 9 months postpartum.	5

^aAssessed participants' understanding and skills regarding the intervention.