نتایج جستجو برای: neighbourhood polynomial

تعداد نتایج: 108026  

2017
Sariyamon Tiraphat Karl Peltzer Kriengsak Thamma-Aphiphol Kawinarat Suthisukon

Studies on the significance of age-friendly environments towards quality of life among older adults have been limited. This study aimed to examine the association between age-friendly environments and quality of life among Thai older adults. Cross-sectional interview survey data were collected from 4183 older adults (≥60 years) using multistage stratified systematic sampling from all four regio...

2010
Peter Somerville Ronald van Kempen Ellen van Beckhoven

There is a substantial literature on the explanation of neighbourhood change. Most of this literature concentrates on identifying factors and developments behind processes of decline. This paper reviews the literature, focusing on the identification of patterns of neighbourhood change, and argues that the concept of neighbourhood governance is a missing link in attempts to explain these pattern...

Journal: :Social science & medicine 2014
R G Prins M A Beenackers M C Boog F J Van Lenthe J Brug A Oenema

This study aimed to explore whether individual cognitions and neighbourhood social capital strengthen each other in their relation with engaging in sports at least three times per week. Cross-sectional analyses on data from the last wave of the YouRAction trial (2009-2010, Rotterdam, the Netherlands; baseline response: 98%) were conducted. In total 1129 had data on the last wave questionnaire (...

2014
Ruca Maass Bengt Lindstrøm Monica Lillefjell

BACKGROUND Health and conditions for health are unevenly distributed across neighbourhoods. Within a salutogenic perspective, neighbourhood-resources can be internalised, and become generalised resistance resources. This paper aims to examine whether the neighbourhood could be a supportive arena for health-promotion, and for whom. DESIGN AND METHODS A cross-sectional study, based on register ...

2017
Lilian Krist Christin Bürger Nanette Ströbele-Benschop Stephanie Roll Fabian Lotz Nina Rieckmann Jacqueline Müller-Nordhorn Stefan N Willich Falk Müller-Riemenschneider

OBJECTIVES Few studies have explored the impact of neighbourhood socioeconomic status (SES) on health behaviours in youths in Germany. Our aim was to investigate the association of individual and neighbourhood SES with physical activity (PA) and screen time (ST) in students aged 12-13 years in Berlin. DESIGN Cross-sectional study. SETTING Secondary schools (high schools and integrated secon...

Journal: :Discrete Applied Mathematics 2018
Marie-Christine Costa Dominique de Werra Christophe Picouleau

Given a positive integer n we find a graph G = (V,E) on |V | = n vertices with a minimum number of edges such that for any pair of non adjacent vertices x, y the graph G − x − y contains a (almost) perfect matching M . Intuitively the non edge xy and M form a (almost) perfect matching of G. Similarly we determine a graph G = (V,E) with a minimum number of edges such that for any matching M̄ of t...

Journal: :Graphs and Combinatorics 2000
Hunter S. Snevily James A. Foster

The pebbling number of a graph G, f(G), is the least m such that, however m pebbles are placed on the vertices of G, we can move a pebble to any vertex by a sequence of moves, each move taking two pebbles o one vertex and placing one on an adjacent vertex. It is conjectured that for all graphs G and H , f(G H) f(G)f(H). Let Cm and Cn be cycles. We prove that f(Cm Cn) f(Cm)f(Cn) for all but a ni...

Journal: :Electr. J. Comb. 2006
Catherine S. Greenhill Andrzej Rucinski

A proper edge colouring of a graph is neighbour-distinguishing if for all pairs of adjacent vertices v, w the set of colours appearing on the edges incident with v is not equal to the set of colours appearing on the edges incident with w. Let ndi(G) be the least number of colours required for a proper neighbour-distinguishing edge colouring of G. We prove that for d ≥ 4, a random d-regular grap...

Journal: :BMC Public Health 2007
Wouter Poortinga Frank D Dunstan David L Fone

BACKGROUND In this study we examined whether (1) the neighbourhood aspects of access to amenities, neighbourhood quality, neighbourhood disorder, and neighbourhood social cohesion are associated with people's self rated health, (2) these health effects reflect differences in socio-demographic composition and/or neighbourhood deprivation, and (3) the associations with the different aspects of th...

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