{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T05:13:59Z","timestamp":1775193239891,"version":"3.50.1"},"reference-count":31,"publisher":"Springer Science and Business Media LLC","issue":"9","license":[{"start":{"date-parts":[[2023,4,18]],"date-time":"2023-04-18T00:00:00Z","timestamp":1681776000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2023,4,18]],"date-time":"2023-04-18T00:00:00Z","timestamp":1681776000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Universit\u00e0 degli Studi di Roma La Sapienza"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Neurol Sci"],"published-print":{"date-parts":[[2023,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Introduction<\/jats:title>\n                <jats:p>Freezing\nof gait (FOG) in Parkinson\u2019s disease (PD) is a challenging clinical symptom to assess, due to its episodic nature. A valid and reliable tool is the New FOG Questionnaire (NFOG-Q) used worldwide to measure FOG symptoms in PD.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Objective<\/jats:title>\n                <jats:p>The aim of this study was to translate, to culturally adapt, and to test the psychometric characteristics of the Italian version of the NFOG-Q (NFOG-Q-It).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>The translation and cultural adaptation was based on ISPOR TCA guidelines to finalize the 9-item NFOG-Q-It. Internal consistency was assessed in 181 Italian PD native speakers who experienced FOG using Cronbach\u2019s alpha. Cross-cultural analysis was tested using the Spearman's correlation between the NFOG-Q-It and the Modified Hoehn-Yahr Scale (M-H&amp;Y).<\/jats:p>\n                <jats:p>To assess construct validity, correlations among NFOG-Q-It, Movement Disorder Society-Unified Parkinson\u2019s Disease Rating Scale (MDS-UPDRS), Mini-Mental State Examination (MMSE), the Montreal Cognitive Assessment (MoCA), the Falls Efficacy Scale-International (FES-I), the 6-min Walking Test (6MWT), the Mini Balance Evaluation System Test (Mini-BESTest) and the Short Physical Performance Battery (SPPB) were investigated.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The Italian N-FOGQ had high internal consistency (Cronbach\u2019s \u03b1\u2009=\u20090.859). Validity analysis showed significant correlations between NFOG-Q-IT total score and M-H&amp;Y scores (<jats:italic>r<\/jats:italic>\u2009=\u20090.281 <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), MDS-UPDRS (<jats:italic>r<\/jats:italic>\u2009=\u20090.359 <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), FES-I (<jats:italic>r<\/jats:italic>\u2009=\u20090.230 <jats:italic>p<\/jats:italic>\u2009=\u20090.002), Mini BESTest (<jats:italic>r<\/jats:italic>\u2009=\u2009-0.256 <jats:italic>p<\/jats:italic>\u2009=\u20090.001) and 6MWT (<jats:italic>r<\/jats:italic>\u2009=\u2009-0.166 <jats:italic>p<\/jats:italic>\u2009=\u20090.026). No significant correlations were found with SPPB, MOCA and MMSE.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The NFOG-It is a valuable and reliable tool for assessing FOG symptoms, duration and frequency in PD subjects. Results provide the validity of NFOG-Q-It by reproducing and enlarging previous psychometric data.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s10072-023-06800-1","type":"journal-article","created":{"date-parts":[[2023,4,18]],"date-time":"2023-04-18T16:03:03Z","timestamp":1681833783000},"page":"3133-3140","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Assessment of the psychometric properties of the Italian version of the New Freezing of Gait Questionnaire (NFOG-Q-IT) in people with Parkinson disease: a validity and reliability study"],"prefix":"10.1007","volume":"44","author":[{"given":"Susanna","family":"Mezzarobba","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carola","family":"Cosentino","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martina","family":"Putzolu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francescaroberta","family":"Panuccio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giovanni","family":"Fabbrini","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Donatella","family":"Valente","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefania","family":"Costi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9043-5686","authenticated-orcid":false,"given":"Giovanni","family":"Galeoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elisa","family":"Pelosin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2023,4,18]]},"reference":[{"key":"6800_CR1","doi-asserted-by":"publisher","first-page":"384","DOI":"10.1212\/01.wnl.0000247740.47667.03","volume":"68","author":"ER Dorsey","year":"2007","unstructured":"Dorsey ER, Constantinescu R, Thompson JP, Biglan KM, Holloway RG, Kieburtz K et al (2007) Projected number of people with Parkinson disease in the most populous nations, 2005 through 2030. 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