{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,5]],"date-time":"2025-12-05T12:13:25Z","timestamp":1764936805115,"version":"build-2065373602"},"reference-count":45,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2015,10,29]],"date-time":"2015-10-29T00:00:00Z","timestamp":1446076800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001826","name":"Netherlands Organisation for Health Research and Development","doi-asserted-by":"publisher","award":["40\u20100081 2\u201098\u20101 I 029"],"award-info":[{"award-number":["40\u20100081 2\u201098\u20101 I 029"]}],"id":[{"id":"10.13039\/501100001826","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["British J Health Psychol"],"published-print":{"date-parts":[[2016,5]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>\n                      Several studies have shown that perseverative, worrisome thoughts are prospectively related to subjective health complaints (\n                      <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                      ) and that a short worry postponement intervention can decrease these complaints. As\n                      <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                      and worry are prevalent and costly, we tested whether the intervention can be offered online to reduce these complaints in the general population.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>A randomized parallel\u2010group trial was conducted with self\u2010selected participants from the general population.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Via the research website, 996 participants were instructed to register their worrying for 6 consecutive days. The intervention group was instructed to postpone worry to a special 30\u2010min period in the early evening. The Subjective Health Complaints inventory, as administered before and after the intervention, and daily worry frequency and duration were considered the primary outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Three hundred and sixty\u2010one participants completed the study. Contrary to our expectation, the registration group (\n                      <jats:italic>n\u00a0<\/jats:italic>\n                      =\n                      <jats:italic>\u00a0<\/jats:italic>\n                      188) did not differ from the intervention group (\n                      <jats:italic>n\u00a0<\/jats:italic>\n                      =\n                      <jats:italic>\u00a0<\/jats:italic>\n                      163) in\n                      <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                      (\n                      <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/bjhp12170-math-0001.png\" xlink:title=\"urn:x-wiley:1359107X:media:bjhp12170:bjhp12170-math-0001\"\/>\n                      \u00a0=\u00a0.000,\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      [0.000\u20130.003]), or in worry frequency or duration. Nevertheless, the different worry parameters were moderately related to\n                      <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                      (\n                      <jats:italic>r<\/jats:italic>\n                      between .238 and .340,\n                      <jats:italic>p\u00a0\u2264\u00a0<\/jats:italic>\n                      .001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      In contrast to previous studies using pen\u2010and\u2010pencil versions of the worry postponement intervention, this study suggests that a direct online implementation was not effective in reducing\n                      <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                      and worry. Overall, participants had high trait worry levels and reported difficulty with postponing worrying. Reducing\n                      <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                      and worries via the Internet might require more elaborate interventions that better incorporate the advantages of delivering interventions online.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:label\/>\n                    <jats:p>\n                      <jats:boxed-text content-type=\"box\" position=\"anchor\">\n                        <jats:caption>\n                          <jats:title>Statement of contribution<\/jats:title>\n                        <\/jats:caption>\n                        <jats:p>\n                          <jats:italic>\n                            <jats:bold>What is already known on this subject?<\/jats:bold>\n                          <\/jats:italic>\n                        <\/jats:p>\n                        <jats:p>\n                          The perseverative cognition hypothesis argues that perseverative cognition, such as worry and rumination, acts as a mediator by which psychosocial stress may produce negative health effects. Prior research has indeed shown that worry and subjective health complaints (\n                          <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                          ) are prospectively related, but causality studies \u2013 that is, showing that changes in worry induce changes in health outcomes \u2013 are scarce and have mainly been conducted in young samples. These studies showed that reducing worry, using a worry postponement intervention, can reduce daily worrying and\n                          <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                          .\n                        <\/jats:p>\n                        <jats:p>\n                          <jats:italic>\n                            <jats:bold>What does this study add?<\/jats:bold>\n                          <\/jats:italic>\n                        <\/jats:p>\n                        <jats:p>\n                          <jats:list list-type=\"bullet\">\n                            <jats:list-item>\n                              <jats:p>\n                                Trait and daily worrying are associated with\n                                <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                                .\n                              <\/jats:p>\n                            <\/jats:list-item>\n                            <jats:list-item>\n                              <jats:p>\n                                An online worry postponement intervention is ineffective in reducing worry and\n                                <jats:styled-content style=\"fixed-case\">SHC<\/jats:styled-content>\n                                .\n                              <\/jats:p>\n                            <\/jats:list-item>\n                            <jats:list-item>\n                              <jats:p>Paper\u2010and\u2010pencil interventions cannot directly be used as online interventions.<\/jats:p>\n                            <\/jats:list-item>\n                          <\/jats:list>\n                        <\/jats:p>\n                      <\/jats:boxed-text>\n                    <\/jats:p>\n                  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