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Construct validity of a service-setting based measure to identify mental health problems in infancy

Janni Ammitzbøll1, Anne Mette Skovgaard1,2, Bjørn E Holstein1

  • 1National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark.

Plos One
|March 29, 2019
PubMed

Insights

The Copenhagen Infant Mental Health Questionnaire (CIMHQ) is a valid tool for identifying infant mental health issues. It helps detect problems in eating, sleep, and development, guiding early intervention for children.

Area of Science:

  • Child Psychology
  • Developmental Pediatrics
  • Psychometric Evaluation

Background:

  • Early childhood mental health interventions are crucial.
  • Child health surveillance can detect mental health vulnerabilities.
  • The Copenhagen Infant Mental Health Questionnaire (CIMHQ) offers a feasible and comprehensive measure for infants.

Purpose of the Study:

  • To investigate the construct validity of the CIMHQ using Rasch measurement models.
  • To explore differential item functioning and identify infant subgroups based on mental health needs.

Main Methods:

  • Rasch measurement models were applied to data from 2,973 infants (9-10 months old).
  • Infants were assessed by community health nurses during home visits.
  • The study examined construct validity, differential item functioning, and local item independence.

Main Results:

  • The CIMHQ demonstrated overall construct validity, with seven subscales for specific mental health problems (eating, sleep, emotional reactions, attention, motor activity, communication, language).
  • The measure showed no differential item functioning.
  • Two latent classes of infants were identified, distinguishing those with fewer problems from those with more significant issues.

Conclusions:

  • The CIMHQ is a construct-valid measure for assessing infant mental health problems.
  • It effectively differentiates between infants with varying levels of mental health concerns.
  • The CIMHQ can guide targeted preventive interventions for early childhood mental health.

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