Nonresponse bias in a follow-up study of 19-year-old adolescents born as preterm infants

Objective. To assess the effect of demographic and neonatal risk factors and outcome at the last available assessment on the probability of full responders, postal responders (those who only responded to the mailed questionnaire), or nonresponders in a follow-up study of 19-year-old adolescents who were born as preterm infants. Design. The 19...

Catch-up growth in Malawian babies, a longitudinal study of normal and low birthweight babies born in a malarious endemic area

Introduction: Infant growth has not been studied in developing countries in relation to maternal factors related to malaria in pregnancy and maternal illiteracy. Objective: To describe growth patterns in infants with low and normal birthweight and determine maternal risk factors for infant undernutrition. Methods: Babies born in a rural district...

Maternal factors and the probability of a planned home birth

Objectives: In the Netherlands, approximately one-third of births are planned home births, mostly supervised by a midwife. The relationship between maternal demographic factors and home births supervised by midwives was examined. Design: Cross-sectional study. Setting: Dutch national perinatal registries of the year 2000. Population: All women...

De incidentie en de eerste symptomen van diabetes mellitus type 1 bij 0-14-jarigen in Nederland, 1996-1999 [The incidence and initial symptoms of diabetes mellitus type 1 in 0-14-year-olds in the Netherlands, 1996-1999]

Objective. To determine the incidence and characteristics of type-1 diabetes mellitus (DM) in children aged 0-14 years during the period 1996-1999 and to compare this with previous measurements of the incidence. Design. Descriptive. Method. Data were collected via reports from all practicing paediatricians to the Dutch Paediatric Surveillance...

Excessive infant crying: Definitions determine risk groups

We assessed risk groups for excessive infant crying using 10 published definitions, in 3179 children aged 1-6 months (response: 96.5%). Risk groups regarding parental employment, living area, lifestyle, and obstetric history varied by definition. This may explain the existence of conflicting evidence on the occurrence and cause of excessive crying.

An analysis of intra-uterine growth retardation in rural Malawi

Objective: (1) To describe the sex-specific, birth weight distribution by gestational age of babies born in a malaria endemic, rural area with high maternal HIV prevalence; (2) to assess the contribution of maternal health, nutritional status and obstetric history on intra-uterine growth retardation (IUGR) and prematurity. Methods: Information...

Factors that influence passive smoking in infancy: A study among mothers of newborn babies in The Netherlands

Background. The aim of this study was to assess the factors that influence smoking in the presence of the infant by mothers, partners, other family members, and friends. Methods. An observational study using questionnaires was performed with smoking and nonsmoking parents of babies between 1 and 14 months old attending Dutch well-baby clinics...

Zygosity diagnosis in young twins by parental report

This study reports on zygosity determination in twins of childhood age. Parents responded to questionnaire items dealing with twin similarity in physical characteristics anti frequency of mistaking one twin for another by parents, relatives and strangers. The accuracy of zygosity diagnosis was evaluated across twins aged 6, 8, and 10 and across...

Predictors of mean phenylalanine levels during the first five years of life in patients with phenylketonuria who were treated early. Dutch National PKU Steering Committee.

We studied the relationship between plasma phenylalanine level at first diagnostic visit, country of origin of the mother, birth cohort, child clinic, sex, and social class on the one hand and mean plasma phenylalanine levels in the first five years of life on the other hand in patients with phenylketonuria (PKU) who were treated early. The...

Ethnicity and maternal education as risk indicators for dental caries, and the role of dental behavior.

The aim of this study was to assess differences in dental health between socioeconomic and ethnic groups in a cohort of 5-yr-old children born in 1982 and in a cohort of 11-yr-old children born in 1976. A further aim was to evaluate the putative role of dental behaviors as intervening factors between ethnicity and maternal education on the one...

Prevention of perinatal hepatitis b virus infection: implications for mother and child [preventie van perinatale hepatitis b : implicaties voor moeder en kind beleid in Nederland]

Use of fluoride tablets and effect on prevalence of dental caries and dental fluorosis

A study was executed to investigate the relation between the use of fluoride tablets by children in the age period 1.5-6 yr on the one hand and the caries experience at the age of 6 and 15 yr and the prevalence of fluorosis at the age of 15 yr on the other hand. The year of birth of the child, the motivation of the mother to engage in preventive...