{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T19:10:30Z","timestamp":1768677030485,"version":"3.49.0"},"reference-count":47,"publisher":"Public Library of Science (PLoS)","issue":"1","license":[{"start":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T00:00:00Z","timestamp":1673308800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["(Grant number FCT SFRH\/BD\/45375\/2008; FCT UID\/DTP\/00617\/2020 [Research Center in Physical Activity, Health and Leisure - CIAFEL] and LA\/P\/0064\/2020 [Laboratory of Interdisciplinary Research - ITR]) and PROTEC SFRH\/BD\/50002\/2009."],"award-info":[{"award-number":["(Grant number FCT SFRH\/BD\/45375\/2008; FCT UID\/DTP\/00617\/2020 [Research Center in Physical Activity, Health and Leisure - CIAFEL] and LA\/P\/0064\/2020 [Laboratory of Interdisciplinary Research - ITR]) and PROTEC SFRH\/BD\/50002\/2009."]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:sec id=\"sec001\">\n<jats:title>Background<\/jats:title>\n<jats:p>The lack of instruments to assess the level of physical activity in pregnant women, led to the development of the PPAQ (Pregnancy Physical Activity Questionnaire), a self-administered questionnaire, which has already been translated in several countries and has already been used in several studies.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec002\">\n<jats:title>Aim(s)<\/jats:title>\n<jats:p>Translate and adapt the PPAQ into Portuguese and test its reliability and validity.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec003\">\n<jats:title>Methods<\/jats:title>\n<jats:p>An analytical observational study was carried out. Linguistic and semantic equivalence was performed through translation and back-translation and content validity was tested by a panel of experts. To test reliability, a test-retest was performed on a sample of 184 pregnant women, with an interval of 7 days and the ICC was used. To test the criterion validity, Pearson\u2019s correlation coefficient (r) was used between the PPAQ and the accelerometer, in a sample of 226 pregnant women.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec004\">\n<jats:title>Findings<\/jats:title>\n<jats:p>The questionnaire was considered comprehensive. The ICC values of Reliability were: total score (0.77); sedentary activities (0.87); light-intensity activities (0.76); moderate-intensity activities (0.76); vigorous-intensity activities (0.70). For criterion validity was obtained a coefficient correlation of r = -0.030, considered weak and negative, for total activity.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec005\">\n<jats:title>Discussion<\/jats:title>\n<jats:p>This study describes the translation and validation process of the PPAQ questionnaire from English to Portuguese. The final version of the PPAQ was considered as a valid instrument in terms of content to measure physical activity and was referred to as being simple to apply and easy to understand.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec006\">\n<jats:title>Conclusion<\/jats:title>\n<jats:p>The PPAQ has content validity, excellent reliability and weak criterion validity, as in the original version.<\/jats:p>\n<\/jats:sec>","DOI":"10.1371\/journal.pone.0279124","type":"journal-article","created":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T18:24:40Z","timestamp":1673375080000},"page":"e0279124","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":4,"title":["Cultural adaptation and validation of the \u201cPregnancy Physical Activity Questionnaire\u201d for the Portuguese population"],"prefix":"10.1371","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3548-700X","authenticated-orcid":true,"given":"Paula Clara","family":"Santos","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5381-8015","authenticated-orcid":true,"given":"Leonardo Y. 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