<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1578-8423</journal-id>
<journal-title><![CDATA[Cuadernos de Psicología del Deporte]]></journal-title>
<abbrev-journal-title><![CDATA[CPD]]></abbrev-journal-title>
<issn>1578-8423</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Murcia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1578-84232021000100282</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Análise comportamental da prática de exercício físico em adultos em contexto de ginásio ao longo de dois anos]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis del comportamiento del ejercicio físico en adultos en el gimnasio durante dos años]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of the exercise behavior in gym exercisers across two years]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[Filipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macedo]]></surname>
<given-names><![CDATA[Rita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[Diogo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cid]]></surname>
<given-names><![CDATA[Luís]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monteiro]]></surname>
<given-names><![CDATA[Diogo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Escola Superior de Desporto de Rio Maior (ESDRM-IPSantarém)  ]]></institution>
<addr-line><![CDATA[Rio Maior ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigação em Qualidade de Vida (CIEQV)  ]]></institution>
<addr-line><![CDATA[Rio Maior ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigação em Desporto, Saúde e Desenvolvimento Humano (CIDESD)  ]]></institution>
<addr-line><![CDATA[Vila Rea ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro de Estudos Organizacionais e Sociais do Politécnico do Porto (CEOS - PP)  ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidade Lusófona de Humanidades e Tecnologias Faculdade de Educação Física e Desporto (ULHT/FEFD) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Centro Interdisciplinar de Estudo da Performance Humana (CIPER)  ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Politécnico de Leiria ESECS ]]></institution>
<addr-line><![CDATA[Leiria ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>282</fpage>
<lpage>292</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1578-84232021000100282&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1578-84232021000100282&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1578-84232021000100282&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO O objetivo deste estudo consistiu em analisar o comportamento dos praticantes de exercício físico ao longo de dois anos, considerando a sua frequência como preditor da frequência futura. Participaram neste estudo 4788 novos praticantes de exercício físico (feminino = 2556) com idades compreendidas entre os 18 e 75 anos. Os acessos aos ginásios e health clubs foi recolhida com recurso aos sistemas eletrónicos dos ginásios. Os dados foram analisados com o recurso a um modelo de equações estruturais e um modelo de mediação em série. Relativamente à taxa de abandono e posteriormente exclusão da análise: 39% abandonaram a prática de exercício físico entre os primeiros seis meses (T1) e os seis meses seguintes (T2); 25% desistiu da prática entre T2 e os seis meses após um ano de prática regular (T3); e 10% abandonaram entre T3 e os seis meses após um ano e meio de prática regular (T4). De acordo com os resultados do modelo de equações estruturais, foram encontrados diversos efeitos diretos e indiretos significativos, sugerindo assim que T2 e T3 poderão ser mediadores entre o T1 e T4. De acordo com os resultados do modelo de mediação é possível observar que o efeito direto não é significativo. Os resultados mostram a existência de mediação total entre o período T1 &#8594; T4, dado o efeito indireto total ser significativo e superior ao efeito direto. Os indivíduos que praticam exercício físico pelo menos duas vezes por semana sem interrupção foram aqueles que demonstraram maior probabilidades em se manterem na prática após os dois anos de acompanhamento do comportamento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This study aimed to examine the behavior of exercisers across two years, considering their exercise frequency as a predictor of future frequency. In total, 4788 new gym exercisers (female = 2556) aged between 18 and 75 years were enrolled for analysis. Adherence. Computerized records at the gyms and health clubs were used to measure exercise adherence. The collected data was analyzed using structural equation modelling and mediation model specifications. Regarding the dropout rate and later exclusion from the analysis: 39% dropped out within the first six months (T1) and the following six months (T2); 25% withdraw the practice between T2 and six months after one year of regular practice (T3); and 10% dropped out between T3 and six months after a year and a half of regular practice (T4). According to the results of the structural equation model, several significant direct and indirect effects were found, thus suggesting that T2 and T3 may play a mediation role between T1 and T4. Looking at the results from the mediation model, it is possible to observe that the direct effect was not significant. The results show the existence of total mediation between the period T1 &#8594; T4, since the total indirect effect is significant and greater than the direct effect. Individuals who practice physical exercise at least twice a week without interruption were those who were more likely to remain in practice after two years of monitoring their behavior.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo de este estudio fue analizar el comportamiento de los practicantes de ejercicio físico durante dos años, considerando su frecuencia como un predictor de la frecuencia futura. Participaron en este estudio 4788 nuevos practicantes de ejercicio físico (mujeres = 2556) con edades comprendidas entre 18 y 75 años. El acceso a gimnasios y health clubs se recopiló utilizando los sistemas electrónicos. Los datos se analizaron utilizando un modelo de ecuación estructural y un modelo de mediación. En cuanto a la tasa de abandono y posterior exclusión del análisis: 39% abandonó la práctica de ejercicio físico entre los primeros seis meses (T1) y los siguientes seis meses (T2); 25% abandonó la práctica entre T2 y seis meses después de un año de práctica regular (T3); y 10% abandonó entre T3 y seis meses después de un año y medio de práctica regular (T4). Según los resultados del modelo de ecuaciones estructurales, se encontraron varios efectos directos e indirectos significativos, lo que sugiere que T2 y T3 pueden ser mediadores entre T1 y T4. Según los resultados del modelo de mediación, es posible observar que el efecto directo no es significativo. Los resultados muestran la existencia de una mediación total entre el período T1 &#8594; T4, ya que el efecto indirecto total es significativo y superior al efecto directo. Las personas que practican ejercicio físico al menos dos veces por semana sin interrupción fueron las que tenían más probabilidades de permanecer en la práctica después de dos años de monitorear su comportamiento.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[exercício]]></kwd>
<kwd lng="pt"><![CDATA[adesão]]></kwd>
<kwd lng="pt"><![CDATA[persistência]]></kwd>
<kwd lng="pt"><![CDATA[análise longitudinal]]></kwd>
<kwd lng="pt"><![CDATA[mediação]]></kwd>
<kwd lng="en"><![CDATA[exercise]]></kwd>
<kwd lng="en"><![CDATA[adherence]]></kwd>
<kwd lng="en"><![CDATA[persistence]]></kwd>
<kwd lng="en"><![CDATA[longitudinal analysis]]></kwd>
<kwd lng="en"><![CDATA[mediation]]></kwd>
<kwd lng="es"><![CDATA[ejercicio]]></kwd>
<kwd lng="es"><![CDATA[adhesión]]></kwd>
<kwd lng="es"><![CDATA[persistencia]]></kwd>
<kwd lng="es"><![CDATA[análisis longitudinal]]></kwd>
<kwd lng="es"><![CDATA[mediación]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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