Evidence of concurrent and predictive criterion validity of the Child Communication Screening Instrument from 0 to 36 months (IRC-36)

Almeida, Dayanne Priscila Rodrigues de; Cordeiro, Ana Augusta de Andrade; Almeida, Larissa Nadjara Alves; Queiroga, Camila Arruda Manchester de; Queiroga, Bianca Arruda Manchester de

doi:10.1590/2317-1782/20232022218en

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Original Article • CoDAS 36 (1) • 2024 • https://doi.org/10.1590/2317-1782/20232022218en copy

Evidence of concurrent and predictive criterion validity of the Child Communication Screening Instrument from 0 to 36 months (IRC-36)

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Purpose

To determine evidence of concurrent and predictive criterion validity of the Communication Screening Instrument for children aged 0 to 36 months (IRC-36).

Methods

78 parents/guardians of children who attend the childcare service of the Family Health Centers participated in the research, in addition to 33 children aged between 0 and 36 months, invited to the second stage of the study. In its first stage, 13 health professionals were trained to apply the IRC-36 to the children's parents/guardians. In the second moment, the parents responded to a new IRC-36 application, and the children were evaluated with Denver II.

Results

IRC-36 correlated with Denver II in more than half of the cases, confirming the instrument’s concurrent criterion validity. IRC-36 results in the first stage did not significantly correlate with Denver II. The instrument's cutoff value was 12, which is the reference value between children at risk and not at risk of communication disorders. The instrument had high sensitivity and an accuracy value within the recommended levels. The occurrence of risk of communication changes was higher in the second IRC-36 application.

Conclusion

The study presented evidence of concurrent criterion validity, indicating that the instrument has evidence of accuracy and validity measures to screen communication in children aged 0 to 36 months, being able to identify the risk for communication disorders.

Keywords:
Child Language; Child Development; Mass Screening; Validation Study; Psychometrics; Speech; Language and Hearing Sciences

Examiner	Place of application	IRC-36 application (1^st stage)	IRC-36 application + Denver II (2^nd stage)		Total
			IRC-36 reapplication + Denver II	IRC-36 application + Denver II
CHA	Home (home visit)	57	-	-	57
Nurse	Family Health Center (neonatal care)	12	-	-	12
SLH therapist	Family Health Center or home	-	24	9	33
Total		69	24	9	102

Variable		DENVER II RESULT						p-value
		NORMAL		RISK		Total
		n	%	N	%	N	%
IRC-36 FINAL 1	Not at risk	7	58.3%	7	58.3%	14	58.3%	0.435
	Under observation	4	33.3%	2	16.7%	6	25.0%
	At risk	1	8.3%	3	25.0%	4	16.7%
	Total	12	50.0%	12	50.0%	24	100.0%
IRC-36 FINAL 2	Not at risk	15	83.3%	4	26.7%	19	57.6%	0.002
	Under observation	3	16.7%	6	40.0%	9	27.3%
	At risk	0	0.0%	5	33.3%	5	15.2%
	Total	18	54.5%	15	45.5%	33	100.0%
IRC-36 1^st	Expected for the age	11	91.7%	9	75%	20	83.3%	0.295
	Not expected	1	8.3%	3	25%	4	16.7%
	Total	12	100.0%	12	100.0%	24	100.0%
IRC-36 2^nd	Expected for the age	15	83.3%	4	26.7%	19	57.6%	0.0001
	Not expected	3	16.7%	11	73.3%	14	42.4
	Total	18	54.5%	15	45.5%	33	100.0%

Tests	Denver II	Denver II – Language
IRC-36 1^st	0.752	0.715
IRC-36 2^nd	0.606^ The correlation is significant at p < 0.01	0.621**

Variable		RESULT DENVER II LANGUAGE						p-value
		NORMAL		RISK		Total
		N	%	N	%	N	%
IRC-36 FINAL 1	Not at risk	11	61.1%	3	50.0%	14	58.3%	0.853
	Under observation	4	22.2%	2	33.3%	6	25.0%
	At risk	3	16.7%	1	16.7%	4	16.7%
	Total	18	75.0%	6	25.0%	24	100.0%
IRC-36 FINAL 2	Not at risk	15	83.3%	4	26.7%	19	57.6%	0.002
	Under observation	3	16.7%	6	40.0%	9	27.3%
	At risk	0	0.0%	5	33.3%	5	15.2%
	Total	18	54.5%	15	45.5%	33	100.0%
IRC-36 1^st	Expected for the age	15	83.3%	5	83.3%	20	63.6%	0.749
	Not expected	3	16.7%	1	16.7%	4	36.4%
	Total	18	75%	6	25%	24	100.0%
IRC-36 2^nd	Expected for the age	18	94.7%	1	5.3%	19	57.6%	0.002
	Not expected	6	42.9%	8	57.1%	14	42.4%
	Total	24	72.7%	9	27.3%	33	100.0%

Area	Std. Error^a	Significance level P (Area=0.5)^b	Asymptotic 95% confidence interval		Associated criterion	Sensitivity (%)	Specificity (%)
Area	Std. Error^a	Significance level P (Area=0.5)^b	Lower limit	Upper limit	Associated criterion	Sensitivity (%)	Specificity (%)
0.796	0.083	<0.004	0.634	0.959	11.50	94.4	60.0

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[1] Conflict of interests: nothing to declare.