Searched for: subject%3A%22Analysis%255C%2Bof%255C%2BVariance%22
(81 - 100 of 108)
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Brugman, E. (author), Verrips, G.H. (author), Danz, M.J. (author), Kalsbeek, H. (author), TNO Preventie en Gezondheid (author)Objective: The aim of this study was to determine the extent to which dental prevention among Turkish parents differs from that among Moroccan parents in one of the large cities in the Netherlands. Design: Turkish and Moroccan mothers with a child of approximately six months old, who visited the well baby clinics in the Schilderswijk area of The...article 1998
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Theeuwes, J. (author), Burger, R. (author), TNO Technische Menskunde (author)Four experiments investigated whether a highly salient color singleton can be ignored during serial search. Observers searched for a target letter among nontarget letters and were instructed to ignore an irrelevant, highly salient color singleton that was either compatible or incompatible with the response to the target letter. The results...article 1998
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Schmand, B. (author), Hooijer, C. (author), Jonker, C. (author), Lindeboom, J. (author), Havekes, L.M. (author), Gaubius instituut TNO (author)Apolipoprotein E (ApoE) allele frequencies were examined in a population-based sample (n = 475; age range 65-84 years; Amsterdam Study of the Elderly). The relation of ApoE ε4 with dementia and with various types of late-life depression was studied. Depression was measured with the Geriatric Mental State schedule. Dementia was diagnosed by DSM...article 1998
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Bles, W. (author), Groen, E.L. (author), Bos, J.E. (author), de Jong, J.M.V.B. (author), Lok, J. (author), TNO Technische Menskunde (author)Five healthy subjects were submitted to sinusoidal lateral tilt (amplitude 25° at frequency of 0.2Hz) of the whole body, only the head, or only the trunk about a vertical (subject in upright position) and about a horizontal axis (subject in supine position). The ocular torsioation of the neck by manipulating only the trunk had a negligible...article 1998
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van Zwet, J.M.L. (author), Wiertz, Y.D.B.M. (author), Bolk-Bennink, L.F. (author), van Leerdam, F.J.M. (author), Hirasing, R.A. (author), TNO Preventie en Gezondheid (author)Objective. To determine how many bed-wetting children aged 5-7 years unlearn the habit using the alarm treatment. Design. Descriptive. Setting. TNO Prevention and Health, Leiden, the Netherlands. Methods. The population consisted of all children aged 5 to 7 with nocturnal enuresis (defined as ≤ 2 wettings per week) who ordered an Elther alarm...article 1998
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- Schutte, J.B. (author), de Jong, J. (author), Centraal Instituut voor Voedingsonderzoek TNO (author) conference paper 1998
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Theeuwes, J. (author), Atchley, P. (author), Kramer, A.F. (author), TNO Technische Menskunde (author)Four experiments investigated whether directing attention to a particular plane in depth enables observers to filter out information from another depth plane. Observers viewed stereoscopic displays and searched for a red line segment among green line segments. The results showed that directing attention to a particular depth plane cannot prevent...article 1998
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Hopman-Rock, M. (author), de Bock, G.H. (author), Bijlsma, J.W.J. (author), Springer, M.P. (author), Hofman, A. (author), Kraaimaat, F.W. (author), TNO Preventie en Gezondheid (author)Objective: The aim of the study was to determine the pattern of health care utilization of people aged 55-74 years with arthritic pain in the knee or hip. Design: People with current pain were identified in a population- based study. A filter model was used to describe the pattern of health care utilization of people who presented as patients at...article 1997
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Hopman-Rock, M. (author), Kraaimaat, F.W. (author), Bijlsma, J.W.J. (author), TNO Preventie en Gezondheid (author)This study examines the quality of life (QOL) of community living elderly people aged 55-74 with chronic, episodic or sporadic pain in the hip or knee and of a reference group without pain (total n = 306). Firstly, it was hypothesized that the experienced QOL is lower in people with more chronic pain. Secondly, the potential mediating and...article 1997
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- Brouwer, D.H. (author), de Haan, M. (author), Leenheers, L.H. (author), de Vreede, S.A.F. (author), van Hemmen, J.J. (author) article 1997
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de Jong-de Vos Van Steenwijk, C.C.E. (author), Imholz, B.P.M. (author), Wesseling, K.H. (author), Wieling, W. (author), TNO Biomedical Instrumentation (author)The objective of this study was to determine whether the Valsalva manoeuvre is applicable as a test for neurocardiovascular control in healthy children and teenagers. Sixty-eight 6- to 16-year-old children and teenagers performed two Valsalva manoeuvres in the sitting position. They were instructed to maintain airway pressure (strain) for 15 s...article 1997
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Groten, J.P. (author), Schoen, E.D. (author), Feron, V.J. (author), TNO Voeding (author)The use of factorial designs, in which n chemicals are studied at x(n) dose levels (x treatment groups), has been put forward as one of the valuable statistical approaches for hazard assessment of chemical mixtures. Very recently a '25 study' was presented to describe interactions between the carcinogenic activity of five polycyclic aromatic...article 1996
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te Velthuis- Wierik, E.J.M. (author), van den Berg, H. (author), Weststrate, J.A. (author), van het Hof, K.H. (author), de Graaf, C. (author), TNO Voeding (author)Objective: Dietary fat intake is higher than recommended in most western countries and is associated with the prevalence of cardiovascular diseases, obesity and cancer. The growing public concern about the adverse effects of a high fat intake has led to an increased availability of 'reduced-fat' products. Consumption of reduced-fat products...article 1996
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Hartmann, D. (author), Güzelhan, C. (author), Zuiderwijk, P.B.M. (author), Odink, J. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)Objectives: Orlistat, a potent and selective inhibitor of gastrointestinal lipases, is designed for the treatment of obesity. A double-blind, randomised, placebo-controlled, 2-way crossover study investigated the possible influence of orlistat on the ovulation-suppressing action of combination oral contraceptives (OC). Methods: After an 8-day...article 1996
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Appel, M.J. (author), Woutersen, R.A. (author), TNO Voeding (author)In the present study the effects of 0.1 or 1.0 g β-carotene/kg diet (LβC or HβC) and 1.0 mg or 2.5 mg selenium/kg diet (LSel or HSel), as well as combinations of the respective low and high concentrations of p-carotene and selenium (LMix or HMix) on the initiation/early promotion phase or on the late promotion phase of pancreatic carcinogenesis...article 1996
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Hennis, B.C. (author), Boomsma, D.I. (author), van Boheemen, P.A. (author), Engesser, L. (author), Kievit, P. (author), Dooijewaard, G. (author), Kluft, C. (author), TNO Preventie en Gezondheid (author)A pedigree-based maximum likelihood method developed by Lange et al. (12) was used to study the contribution of a newly defined di-allelic polymorphism in histidine-rich glycoprotein (HRG) to the plasma levels of HRG. In four families (n = 99) and 20 volunteers we found a heritability of 70%, an age effect of 3% and an effect of individual...article 1995
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Haider, A.W. (author), Andreotti, F. (author), Hackett, D.R. (author), Tousoulis, D. (author), Kluft, C. (author), Maseri, A. (author), Davies, G.J. (author), Gaubius Instituut TNO (author)Objectives. This study investigated the influence of early spontaneous intermittent reperfusion on the extent of myocardial damage and its relation to endogenous hemostatic activity, Background. In the early phase of acute myocardial infarction coronary occlusion is often intermittent, even before thrombolytic therapy is administered. The...article 1995
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Jonker, D. (author), Til, H.P. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)To compare the possible effects of microwave and conventional cooking on a range of common dietary components, mixed human diets containing beef, potatoes and vegetables were fed to groups of 10 male and 10 female Wistar rats for 13 wk. The diet ingredients were cooked by either of the methods in a normal and an abused manner, the latter...article 1995
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Sloot, W.N. (author), van der Sluijs-Gelling, A.J. (author), Gramsbergen, J.B.P. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)Regional 45Ca2+ accumulation and analysis of monoamines and metabolites in dissected tissues were used to localize, quantify, and characterize brain damage after intracerebral injections of Mn2+ into striatum and hippocampus. The specificity of Mn2+-induced lesions is described in relation to brain damage produced by local Fe2+ or 6-...article 1994
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Verrips, G.H. (author), Frencken, J.E. (author), Kalsbeek, H. (author), Filedt Kok-Weimar, T.L. (author), Nederlands Instituut voor Praeventieve Gezondheidszorg TNO (author)This investigation was first, to assess the oral health of 11-year-old children in four ethnic groups in Amsterdam; second, to assess their dental behaviour and third, to identify potential determinants of frequency of toothbrushing. Representative samples of 97 Surinamese, 209 Moroccan, 128 Turkish and 102 Dutch children were examined orally...article 1993
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