Since 1858, an increase of mean stature has been observed in the Netherlands, reflecting the improving nutritional, hygienic, and health status of the population. In this study, stature, weight, and pubertal development of Dutch youth, derived from four consecutive nationwide cross- sectional growth studies during the past 42 y, are compared to assess the size and rate of the secular growth change. Data on length, height, weight, head circumference, sexual maturation, and demographics of 14500 boys and girls of Dutch origin in the age range 0-20 y were collected in 1996 and 1997. Growth references for height and weight were constructed with a method that summarizes the distribution by three smooth curves representing skewness (L curve), the median (M curve), and coefficient of variation (S curve). The relationship between height and demographic variables was assessed by multivariate analysis. Reference curves for menarche and secondary sex characteristics were estimated by a generalized additive model using a logit transformation. A positive secular growth change has been present in the past 42 y for children, adolescents, and young adults of Dutch origin, although at a slower rate in the last 17 y. Height differences according to region, educational level of child and parents, and family size have remained. In girls, median age at menarche has decreased by 6 mo during the past four decades to 13.15 y. Environmental conditions have been favorable for many decades in the Netherlands, and the positive secular change in height has not yet come to a halt, in contrast to Scandinavian countries. Main contributors to the increase in height may be improved nutrition, child health, and hygiene, and a reduction of family size.

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Continuing positive secular growth change in the Netherlands 1955-1997

Objectives: To assess the degree to which physicians and nurses working in preventive child health care (child health professionals [CHPs]) identify and manage psychosocial problems in children, and to determine its association with parent-reported behavioral and emotional problems, sociodemographic factors, and general and mental health history of children. Design: The CHPs examined the child and interviewed parents and child during their routine health assessments. The parents completed the Child Behavior Checklist. Setting: Nineteen child health care services across the Netherlands, serving nearly all school-aged children routinely. Subjects: Of 4970 children aged 5 through 15 years, eligible for a routine health assessment, 4480 (90.1%) participated. Main Outcome Measures: Identification and management of psychosocial problems by CHPs. Results: In 25% of all children, CHPs identified 1 or more psychosocial problems. One in 5 identified children were referred for further diagnosis and treatment. Identification of psychosocial problems and subsequent referral were 6 times more likely in children with serious parent-reported problem behavior according to the Child Behavior Checklist total problem score (8% of total sample). However, CHPs identified no psychosocial problems in 43% of these children and therefore undertook no action. Other child factors associated with CHPs' identification and referral were past treatment for psychosocial problems, life events, and academic problems. After adjustment for these, sociodemographic characteristics did not predict referral. Conclusions: The CHPs identify psychosocial problems in school-aged children frequently and undertake actions for most of them. Screening for psychosocial problems may be a promising option to reduce these problems, but accurate identification should be enhanced.

https://jamanetwork.com/journals/jamapediatrics/articlepdf/190505/poa00203.pdf

Identification and management of psychosocial problems by preventive Child health care

Background: Psychosocial problems, such as behavioural, emotional, and educational problems, are highly prevalent among children and adolescents. Early treatment may reduce these problems, if accurately identified. Validated questionnaires may support identification. The aim of this study is to assess the psychometric qualities of such a questionnaire, the Short Indicative Questionnaire for Psychosocial problems among Adolescents (KIVPA,) and to determine whether it is suitable for and adds to the early detection of psychosocial problems among adolescents. Methods: Data came from a national sample of 1,440 Dutch adolescents, using the KIVPA, the Child Behavior Checklist (CBCL), and the Youth Self-Report (YSR). Of these, 1,248 provided data on all questionnaires (77.8%). The scale structure of the KIVPA was assessed; its sensitivity and specificity using CBCL, YSR and referral for psychosocial problems as criteria; and its contribution to detecting CBCL and YSR problems. Results: The KIVPA is mostly uni-dimensional but the variance explained by its main factor is relatively low. The total KIVPA score discriminates between adolescents with and without problems on the three criteria. Using a clinical YSR total problem score as criterion, sensitivity and specificity are 0.82 and 0.85, respectively, at the proposed cut-off (area under the ROC curve: 0.92; 95% confidence interval (CI) 0.90-0.95). The odds ratio of a clinical YSR score for an elevated KIVPA score is 29.1 (95% CI: 14.4-59.1), although the KIVPA mainly covers internalizing problems. Conclusion: The KIVPA has added value in the early detection of internalizing psychosocial problems, but is not sufficiently efficient.

Early detection of psychosocial problems in adolescents: how useful is the Dutch short indicative questionnaire (KIVPA)?

Low socio-economic status combined with other risk factors affects a person's physical and psychosocial health from childhood to adulthood. The societal impact of these problems is huge, and the consequences carry on into the next generation(s). Although several studies show these consequences, only a few actually intervene on these issues. In the United States, the Nurse Family Partnership focuses on high risk pregnant women and their children. The main goal of this program is primary prevention of child abuse. The Netherlands is the first country outside the United States allowed to translate and culturally adapt the Nurse Family Partnership into VoorZorg. The aim of the present study is to assess whether VoorZorg is as effective in the Netherland as in the United States. The study consists of three partly overlapping phases. Phase 1 was the translation and cultural adaptation of Nurse Family Partnership and the design of a two-stage selection procedure. Phase 2 was a pilot study to examine the conditions for implementation. Phase 3 is the randomized controlled trial of VoorZorg compared to the care as usual. Primary outcome measures were smoking cessation during pregnancy and after birth, birth outcomes, child development, child abuse and domestic violence. The secondary outcome measure was the number of risk factors present. This study shows that the Nurse Family Partnership was successfully translated and culturally adapted into the Dutch health care system and that this program fulfills the needs of high-risk pregnant women. We hypothesize that this program will be effective in addressing risk factors that operate during pregnancy and childhood and compromise fetal and child development. Current Controlled Trials ISRCTN16131117

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Addressing risk factors for child abuse among high risk pregnant women: design of a randomised controlled trial of the nurse family partnership in Dutch preventive health care

Background: An extended re-assessment of the psychometric properties of the LSPPK, an instrument aimed at identifying children with emotional and behavioural problems. Methods: Data came from a national sample in the Netherlands of parents of 1248 children (aged 5-6 years) interviewed by child health professionals (CHP). Data were obtained regarding psychosocial problems, treatment status and scores on the LSPPK (Parent and CHP Index), and on the Child Behavior Checklist (CBCL). The scale structure, reliability, criterion and content validity and added value of the LSPPK were assessed using the CBCL and treatment status as criteria. Results: The scale structure corresponded with that found originally; the LSPPK improved the prediction of problems according to the CBCL, compared to predictions using readily available risk indicators alone. Reliability varied between 0.55 and 0.69. For the LSPPK Parent Index, sensitivity varied between 0.42 and 0.50. For the CHP Index sensitivity varied between 0.60 and 0.96, but specificity varied between 0.76 and 0.79. Both indices were very sensitive for attention and social problems, but less so for other problems. Conclusion: The LSPPK Parent Index cannot distinguish sufficiently between children with or without serious problems. Either too many children with problems remain unnoticed or too many children without problems are labelled as a case. The LSPPK CHP Index, reflecting the CHP's interpretation of the Parent Index after interviewing the parents does not compensate adequately for the weaknesses of the Parent Index. Better assessment procedures and strategies need to be developed.

Detecting psychosocial problems among 5-6-year-old children in Preventive Child Health Care: The validity of a short questionnaire used in an assessment procedure for detecting psychosocial problems among children

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M.A.E. van Zaal

Papers

Child health in the Netherlands: Facts and figures 1997