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Increase in child behavior problems among urban Brazilian 4-year olds: 1993 and 2004 Pelotas birth cohorts.

Matijasevich A, Murray E, Stein A, Anselmi L, Menezes AM, Santos IS, Barros AJ, Gigante DP, Barros FC, Victora CG - J Child Psychol Psychiatry (2014)

Bottom Line: We found a significant increase in CBCL total problems, internalizing and externalizing mean scores over the 11-year period.For 1993 and 2004 Pelotas cohorts, respectively, CBCL mean values (SE) total problems scores were 27.9 (0.8) and 34.7 (0.3); for internalizing scores, 5.7 (0.2) and 6.3 (0.1) and for externalizing scores, 12.4 (0.4) and 15.5 (0.1).After adjusting for confounding variables, the largest increase from 1993 to 2004 was identified in the aggressive behavior syndrome score (Cohen's d = .50), followed by the externalizing problem score (Cohen's d = .40) and CBCL total problem score (Cohen's d = .36), respectively.

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Affiliation: Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil; Department of Preventive Medicine, School of Medicine, University of São Paulo, São Paulo, Brazil.

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Plot of assets*externalizing score (a) and assets*internalizing score (b) interactions in the 1993 and 2004 Pelotas cohort studies
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fig03: Plot of assets*externalizing score (a) and assets*internalizing score (b) interactions in the 1993 and 2004 Pelotas cohort studies

Mentions: The presence of significant cohort interactions revealed differences in the effect of some child and maternal characteristics on CBCL scores between cohorts (Table S3). Interaction effects were most consistently identified between cohort and family assets (Figure3), maternal schooling and maternal psychiatric problems (Figures S1a–S1d). CBCL score increases between 1993 and 2004 were more observable in children from families in the lower asset quintiles (compared with the highest asset quintile) and in children with less educated mothers. Children from families in the highest asset quintile and with highly educated mothers showed almost no increase in behavioral problems between 1993 and 2004.


Increase in child behavior problems among urban Brazilian 4-year olds: 1993 and 2004 Pelotas birth cohorts.

Matijasevich A, Murray E, Stein A, Anselmi L, Menezes AM, Santos IS, Barros AJ, Gigante DP, Barros FC, Victora CG - J Child Psychol Psychiatry (2014)

Plot of assets*externalizing score (a) and assets*internalizing score (b) interactions in the 1993 and 2004 Pelotas cohort studies
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4263231&req=5

fig03: Plot of assets*externalizing score (a) and assets*internalizing score (b) interactions in the 1993 and 2004 Pelotas cohort studies
Mentions: The presence of significant cohort interactions revealed differences in the effect of some child and maternal characteristics on CBCL scores between cohorts (Table S3). Interaction effects were most consistently identified between cohort and family assets (Figure3), maternal schooling and maternal psychiatric problems (Figures S1a–S1d). CBCL score increases between 1993 and 2004 were more observable in children from families in the lower asset quintiles (compared with the highest asset quintile) and in children with less educated mothers. Children from families in the highest asset quintile and with highly educated mothers showed almost no increase in behavioral problems between 1993 and 2004.

Bottom Line: We found a significant increase in CBCL total problems, internalizing and externalizing mean scores over the 11-year period.For 1993 and 2004 Pelotas cohorts, respectively, CBCL mean values (SE) total problems scores were 27.9 (0.8) and 34.7 (0.3); for internalizing scores, 5.7 (0.2) and 6.3 (0.1) and for externalizing scores, 12.4 (0.4) and 15.5 (0.1).After adjusting for confounding variables, the largest increase from 1993 to 2004 was identified in the aggressive behavior syndrome score (Cohen's d = .50), followed by the externalizing problem score (Cohen's d = .40) and CBCL total problem score (Cohen's d = .36), respectively.

View Article: PubMed Central - PubMed

Affiliation: Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil; Department of Preventive Medicine, School of Medicine, University of São Paulo, São Paulo, Brazil.

Show MeSH
Related in: MedlinePlus