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Open Access Research article

Infant difficult behaviors in the context of perinatal biomedical conditions and early child environment

Giedre Sirvinskiene12*, Nida Zemaitiene12, Apolinaras Zaborskis12, Egle Markuniene3 and Roma Jusiene4

Author Affiliations

1 Institute for Health Research, Lithuanian University of Health Sciences, Academy of Medicine, Eiveniu str. 4, LT-50009 Kaunas, Lithuania

2 Department of Health Psychology, Lithuanian University of Health Sciences, Academy of Medicine, Kaunas, Lithuania

3 Department of Neonatal Diseases, Lithuanian University of Health Sciences, Academy of Medicine, Kaunas, Lithuania

4 Department of General Psychology, Vilnius University, Vilnius, Lithuania

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BMC Pediatrics 2012, 12:44  doi:10.1186/1471-2431-12-44

Published: 11 April 2012

Abstract

Background

Problems experienced within the first year of an infant's life can be precursors of later mental health conditions. The purpose of this study was to examine the frequency and continuity of difficult behaviors in infants at 3 and 6 months of age and the associations of these difficulties with biomedical and psychosocial factors.

Methods

This study was a part of an ongoing prospective birth-cohort study. Study participants were 189 uniparous mothers and their full-term newborns. The index of infant difficult behavior was constructed. This index was then associated with the following factors: delivery mode, newborn function after birth, maternal emotional well-being, risk behavior, subjective evaluation of the quality of the relationship of the couple, and attitudes toward infant-rearing.

Results

Common difficult behaviors, including crying, sleeping and eating problems, were characteristic for 30.2% of 3 month old and for 22.2% of 6 month old full-term infants. The expression of infant difficult behaviors at the age of 3 months increased the likelihood of the expression of these difficulties at 6 months by more than 5 times. Factors including younger maternal age, poor prenatal and postnatal emotional well-being, prenatal alcohol consumption, low satisfaction with the couple's relationship before pregnancy, and deficiency of infant-centered maternal attitudes towards infant-rearing increased the likelihood of difficult behaviors in infants at the age of 3 months. Low maternal satisfaction with the relationship of the couple before pregnancy, negative emotional reactions of both parents toward pregnancy (as reported by the mother) and the deficiency of an infant-centered maternal attitude towards infant-rearing increased the likelihood of infant difficult behaviors continuing between the ages of 3 to 6 months. Perinatal biomedical conditions were not related to the difficult behaviors in infants.

Conclusions

Our study suggests that early onset of difficult behavior highly increases the risk for the continuation of difficult behavior during infancy. In general, the impact of prenatal psychosocial environment on infant behavior decreases from the ages of 3 to 6 months; however, some prenatal and preconceptional psychosocial factors have direct associations with the continuity of difficult behaviors through the first half-year of an infant's life.