Adverse Childhood Experiences International Questionnaire (ACE-IQ) Rationale for ACE-IQ

According to: Adverse Childhood Experiences International Questionnaire

Background: The consequences of adverse childhood experiences (ACEs) such as child
maltreatment and other traumatic stressors for health risk behaviors and long-term
chronic diseases has been the focus of a growing number of studies.

However many countries have yet to appreciate the major public health implications
of ACEs and their lifelong consequences. For this recognition to spread requires
that data on ACEs are collected as part of broader health and health risk behavior
surveys, and that the findings are used to advocate for and inform policies and
programs designed to reduce ACEs and promote safe, stable and nurturing
relationships between children and their parents or caregivers.

Aim: The International ACE Research Network has produced the ACE-IQ which will
enable the measurement of childhood adversities in all countries and comparisons
of such adversities between them; the drawing of associations between childhood
adversities and health risk behaviors and health outcomes in later life; advocacy
for increased investments to reduce childhood adversities, and scientific information
to inform the design of prevention programs.

ACE-IQ should always be integrated into broader health surveys. Although data
about adversities on their own may be useful for some purposes, the real value of
ACE-IQ lies in demonstrating the associations between early exposures to ACEs and
subsequent risk behaviors and health outcomes. It is only by integrating ACE-IQ into
broader health surveys that such associations can be measured.

When the ACE-IQ is administered as part of broader health surveys it should be
included in the middle of the instrument to ensure that an adequate level of rapport
between the interviewer and respondent can be established before asking the sensitive
questions it contains. As some of the questions in the ACE-IQ may cause upset for a
participant, it is strongly recommended that wherever the ACE-IQ is implemented a list of
reputable, reliable and responsible local services should be available so that
the interviewer can direct the participant to the appropriate source of help or support.

The ACE-IQ can be translated into the appropriate language for use in the country where
it's being delivered, but the normal procedures of translation and back translation must be
followed in order to ensure the fidelity of the translation.

Testing: The current stage in the development of the ACE-IQ instrument, following international
field-testing (2009-2011) is to test the reliability and validity of ACE-IQ by
implementing it as part of broader health surveys in 6-8 countries. These surveys
should aim to produce data that can be used to test the psychometric properties of
the tool, compare findings across sites and with other studies and check internal

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