{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,2]],"date-time":"2026-08-02T17:21:47Z","timestamp":1785691307247,"version":"3.56.0"},"reference-count":54,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2013,9,18]],"date-time":"2013-09-18T00:00:00Z","timestamp":1379462400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["British J Health Psychol"],"published-print":{"date-parts":[[2014,9]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>This study sought to estimate the effects of a novel intervention, compared with usual chlamydia testing promotion, on chlamydia test uptake and intentions among young people living in deprived areas. The intervention was based on the theory of planned behaviour, augmented with self\u2010identity, and targeted the significant predictors of chlamydia testing intentions identified in the previous research.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Cluster randomization was used to allocate college tutor groups (intervention\n                      <jats:italic>n\u00a0<\/jats:italic>\n                      =\n                      <jats:italic>\u00a0<\/jats:italic>\n                      10; control\n                      <jats:italic>n\u00a0<\/jats:italic>\n                      =\n                      <jats:italic>\u00a0<\/jats:italic>\n                      11) to the intervention or control group. The sample comprised 253 participants (intervention\n                      <jats:italic>n\u00a0<\/jats:italic>\n                      =\n                      <jats:italic>\u00a0<\/jats:italic>\n                      145, control\n                      <jats:italic>n\u00a0<\/jats:italic>\n                      =\n                      <jats:italic>\u00a0<\/jats:italic>\n                      108). The primary outcome was test offer uptake at the end of the session. Other outcomes measured at immediate follow\u2010up were intention, attitude, subjective norm, perceived behavioural control, and self\u2010identity.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Generalized estimating equations, controlling for cluster effects and sexual activity, found a small but non\u2010significant effect of condition on test offer uptake,\n                      <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>\n                      \u00a0=\u00a01.65 (95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      0.70, 3.88)\n                      <jats:italic>p\u00a0<\/jats:italic>\n                      =\n                      <jats:italic>\u00a0<\/jats:italic>\n                      .25, with 57.5% of intervention participants accepting the offer of a test compared with 40.2% of control participants. Using the same analysis procedure, small\u2010to\u2010medium intervention effects were found on other outcome variables, including a significant effect on attitudes towards chlamydia testing,\n                      <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>\n                      \u00a0=\u00a01.37 (95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      1.00, 1.87),\n                      <jats:italic>p\u00a0<\/jats:italic>\n                      =\n                      <jats:italic>\u00a0<\/jats:italic>\n                      .05.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The results provide encouraging initial evidence that this theory\u2010based intervention, targeting the key determinants of chlamydia testing, may help to improve chlamydia testing uptake in a high\u2010risk group. They support the conduct of a larger trial to evaluate the effectiveness of the intervention.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Statement of contribution<\/jats:title>\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                      <jats:list list-type=\"bullet\">\n                        <jats:list-item>\n                          <jats:p>Young people living in areas of increased socio\u2010economic deprivation have been identified as a high\u2010risk group for chlamydia.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>\n                            Previous research within an extended model of the theory of planned behaviour (\n                            <jats:styled-content style=\"fixed-case\">TPB<\/jats:styled-content>\n                            ) found that attitude, subjective norm, perceived behavioural control, and self\u2010identity all significantly predicted chlamydia testing intentions in this high\u2010risk group.\n                          <\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\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                            Development and testing of a novel,\n                            <jats:styled-content style=\"fixed-case\">TPB<\/jats:styled-content>\n                            \u2010based intervention targeting predictors of chlamydia testing intentions.\n                          <\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>The intervention led to significantly more positive attitudes towards chlamydia testing.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>\n                            Preliminary indication that a\n                            <jats:styled-content style=\"fixed-case\">TPB<\/jats:styled-content>\n                            \u2010based intervention may help to improve chlamydia testing in a high\u2010risk group.\n                          <\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/bjhp.12065","type":"journal-article","created":{"date-parts":[[2013,10,8]],"date-time":"2013-10-08T11:05:12Z","timestamp":1381230312000},"page":"636-651","source":"Crossref","is-referenced-by-count":12,"title":["Pilot study of a brief intervention based on the theory of planned behaviour and self\u2010identity to increase chlamydia testing among young people living in deprived areas"],"prefix":"10.1111","volume":"19","author":[{"given":"Amy R.","family":"Booth","sequence":"first","affiliation":[{"name":"ScHARR University of Sheffield UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Norman","sequence":"additional","affiliation":[{"name":"Psychology Department University of Sheffield UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth","family":"Goyder","sequence":"additional","affiliation":[{"name":"ScHARR University of Sheffield UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter R.","family":"Harris","sequence":"additional","affiliation":[{"name":"School of Psychology University of Sussex Brighton UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael J.","family":"Campbell","sequence":"additional","affiliation":[{"name":"ScHARR University of Sheffield UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,9,18]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-69746-3_2"},{"key":"e_1_2_7_3_1","unstructured":"Ajzen I.(2001).Behavioral interventions based on the theory of planned behavior.1\u20136. 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