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Table 1 Description of the variables collected from the studies

From: Classification of suicidal behavior calls in emergency medical services: a systematic review

Variable

Description

CHARACTERISTICS OF THE STUDIES

Country

Country in which the study was conducted

Geographic study area

Name of the geographic study area

Population

Number of inhabitants of the geographic study area

Data collection period

Time period in which data collection was performed

Sources of extraction of the calls

Databases from which the calls were extracted

Total number of calls

Sample of calls used in the study (N)

Number of suicidal behavior calls

Suicidal behavior calls extracted from total calls (N/%)

Quality of study

Indicates the quality range of the study through the Manual for Quality Scoring of Qualitative Studies expressed as a percentage

OUTCOME VARIABLES

Moment of call classification

Point in time when codes are assigned to a call

Professional who classifies the calls

Person who classifies a call as suicidal behavior

Type of classification

Classification system used to categorize the calls

Suicide codes

Codes to classify calls as suicidal behavior, according to the classification used