Table 1.

Content analysis results demonstrating seven major components of child ISS with their respective subcomponents/elements

Row	Components	Subcomponents/ elements
1	Goals	(1) to support injury prevention acts (2) to provide epidemiologic patterns of fatal injuries (3) to provide epidemiologic patterns of nonfatal injuries (4) to determine injury severity (5) to determine injury burden (fatal injuries) (6) to determine injury burden (nonfatal injuries) (7) to analyze fatal injury mechanism (8) to analyze nonfatal injury mechanism (9) to analyze fatal injury nature (10) to analyze nonfatal injury nature (11) to evaluate the effectiveness of injury interventions
2	Data sources	(1) emergency department (general hospitals) (2) emergency department (specialized hospitals with the priority of children hospitals) (3) population-based surveys (4) trauma registry (5) national death registry (6) 1-59 month children death surveillance (7) National Organization for Civil (8) Statistical Center of Iran (9) insurance companies (10) Ministry of Roads & Urban Development (11) police (12) forensic medicine
3	Data set	identifiers	(1) national ID number, (2) date of creation of the record, (3) hospital name
		demographics	(4) name, (5) date of birth, (6) gender, (7) address of residence place, (8) postal code, (9) race/ ethnicity, (10) education level, (11) occupation, (12) BAC
		time of injury related data	(13) date of injury/ death, (14) time of injury/ death, (15) date of visit, (16) time of visit, (17) date of examination by a doctor, (18) time of examination by a doctor
		place of injury related data	(19) injury place (home, outside of home, RTI, work, other, unknown), (20) if home, the exact place in home, (21) if outside of home, the exact place, (22) if RTI, the exact place, (23) if work, the exact place, (24) postal address of injury place
		injury characteristics	(25) body part, (26) external cause based on ICD-10, (27) injury nature based on ICD-10, (28) injury severity, (29) patient's outcome, (30) injury description (a free text field to describe what went wrong)
		injury context	(31) any involved products, (32) patient's activity at the time of injury (a free text field to describe patient's activity)
		safety equipment	(33) use of safety tools, (34) color of the clothes
		(35) injury intention
	(36) costs
4	Coalition of stakeholders	Members of the coalition	(1) Ministry of Health and Medical Education, (2) healthcare organizations/ hospitals, (3) forensic medicine, (4) police, (5) Ministry of Roads & Urban Development, (6) Plan and Budget Organization, (7) Ministry of Education, (8) Ministry of Science, Research and Technology, (9) State Welfare Organization of Iran, (10) Iranian Social Security Organization, (11) insurance companies, (12) NGOs, (13) Legislature of Iran, (14) the Executive (government), (15) Judicial System of Iran, (16) Iran Broadcasting Organization, (17) state governors, (18) mayors, (19) fire departments, (20) standard organization
		leadership of the coalition	(21) Ministry of Health and Medical Education
5	Data collection	ISS type	(1) comprehensive child ISS
		data collection method	(2) active including data collection by child ISS officers, (3) inactive including data collection by healthcare providers and facilities, (4) a combination of both methods
		data entry method	(5) paper- based, (6) electronic (off-line), (7) online
		case definition	(8) the first visit of one person
		data entry criteria	(9) International Classification of Disease− 10th revision codes including (S00-S99), (T00-T78), (V01-X59), (X60-X84), (X85-Y09), (Y10-Y34), (Y35-Y36) and other injury related codes
		data entry time interval	(10) Monthly data registration, as it needs at least a complete month to determine patients' final outcome
		classification	(11) International Classification of Disease− 10th revision
6	Data analysis and interpretation	indicators	(1) injury frequencies, (2) injury percentages, (3) injury rates, (4) injury rates in special groups, (5) adjusted injury rates, (6) Years Lived with Disability (YLD), (7) death frequencies, (8) death percentages, (9) death rates, (10) death rates in special groups, (11) adjusted death rates, (12) Years of potential life lost (YPLL), (13) Disability-Adjusted Life Year (DALY), (14) admission rates, (15) disability rates, (16) trends over time, (17) direct costs, (18) indirect costs, (19) costs payable to relatives, (20) geographical analysis using GPS data to create spot map, (21) area or choropleth map, (22) black spots
		analysis level	(23) national and (24) provincial
7	Data distribution	data distribution methods	(1) organizational newsletter, (2) newspaper, (3) mass media (TV and radio), (4) social media (face book, twitter, Instagram, etc.), (5) scientific papers published in journals and conferences, (6) educational leaflet and pamphlet in healthcare centers and hospitals for patients, (7) reports and governmental documents, (8) discussion of child injury data/ reports in meetings, (9) websites of related offices affiliated to Ministry of Health as well as coalition of stakeholders
		audience	(10) Ministry of Health and Medical Education, (11) healthcare organizations/ hospitals, (12) forensic medicine, (13) police, (14) Ministry of Roads & Urban Development, (15) Plan and Budget Organization, (16) Ministry of Education, (17) Ministry of Science, Research and Technology, (18) State Welfare Organization of Iran, (19) Iranian Social Security Organization, (20) insurance companies, (21) NGOs, (22) Legislature of Iran, (23) the Executive (government), (24) Judicial System of Iran, (25) Iran Broadcasting Organization, (26) the public, (27) journalists, (28) researchers, (29) fire department, (30) Standard Organization, (31) municipalities
		time intervals of reports	(32) weekly, (33) monthly, (34) quarterly, (35) every six months, and (36) annual reports based on the type of the audience