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The impact of traveling and waiting times in health care emergency service choice : an econometric approach

by Maria Lusa Alves

Institution: RCAAP
Year: 2017
Keywords: Waiting Time; Traveling Time; Health Care; Tempo de Espera; Tempo de Deslocao; Cuidados de Sade; Domnio/rea Cientfica::Cincias Sociais::Economia e Gesto
Posted: 02/01/2018
Record ID: 2180930
Full text PDF: https://www.rcaap.pt/detail.jsp?id=oai:repositorio.ucp.pt:10400.14/23629


Abstract

This study aims at estimating the effect of traveling and waiting times onpatients choice of emergency care provider. In a model with no outsideoption, patients choose to demand emergency care from one of two similarhospitals. Using data from two Portuguese public hospitals, a conditionallogit model is estimated. Two measures of waiting times are considered: thewaiting time between admission and triage and the waiting time betweentriage and the first medical observation. A negative, statistically significant,impact of traveling time and waiting time between triage and the first medicalobservation on the probability of choosing a given hospital is found. Themagnitude of the effect of waiting time, however, is close to zero. Theestimated marginal effect suggests that a supply-induced 30-minutes increasein waiting time reduces, all else equal, the probability of choosing a givenhospital by 0.009 percentage points. An increase of the same magnitude intraveling time reduces, all else equal, the probability of utilization by 5.841.Although the data does not allow for the estimation of consumer surplus, andgiven that the estimated effect captures only the impact of changes in waitingtimes resulting from supply side decisions, it is plausible to admit their effecton patient welfare would be small. Este estudo procura estimar o efeito do tempo de deslocao e de espera naescolha de servios de urgncia por parte dos pacientes. Num modelo semuma outside option, os utentes escolhem entre dois servios de urgncia dedois hospitais semelhantes. Utilizando dados de dois hospitais pblicosPortugueses, um modelo logit condicional estimado. Duas medidas detempo de espera so consideradas: o tempo de espera entre a admisso etriagem e o tempo de espera entre a triagem e a primeira observao. Osresultados sugerem a existncia de um efeito negativo, estatisticamentesignificativo, dos tempos de deslocao e de espera entre a triagem e aprimeira observao na probabilidade de um paciente escolher determinadohospital. No entanto, a magnitude do efeito dos tempos de espera prximode zero. O efeito marginal estimado de um aumento de 30 minutos induzidopelo lado da oferta na probabilidade de escolher um dado hospital , tudo oresto constante, -0,009 pontos percentuais. Um aumento de igual magnitudeno tempo de deslocao reduz, tudo o resto constante, aquela probabilidadeem 5,481 pontos percentuais. Apesar de os dados no permitirem a estimaodo excedente do consumidor, e dado que o efeito estimado captura apenas oimpacto de variaes nos tempos de espera causados por decises de oferta, razovel concluir que estas no tenham um impacto significativo nobem-estar dos pacientes no caso dos servios de urgncia.Advisors/Committee Members: Ribeiro, Ricardo.

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