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An integrative literature review supported the analysis. Searches were performed in PubMed, BVS, CINAHL, Web of Science, Scopus, and Embase for studies published from 2000 onward in English, Portuguese, or Spanish. The SPIDER framework guided the search strategy and eligibility criteria. Two reviewers independently screened titles, abstracts, and full texts. Extracted data included attributes, antecedents, consequences, prevalence estimates, and empirical measures related to inadequate digital health literacy. Identified elements were organized according to the NANDA International (NANDA-I) diagnostic structure, including defining characteristics, related factors, and at-risk populations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Findings<\/jats:title>\n                    <jats:p>Ten essential attributes supported the development of the diagnostic definition. Seventeen consequences informed the identification of 14 defining characteristics. Sixteen antecedents supported the identification of 11 related factors and 5 at-risk populations. Empirical referents were primarily self-report instruments used to assess digital health literacy, including the eHealth Literacy Scale, the Digital Health Literacy Instrument, the eHealth Literacy Questionnaire, and the eHealth Literacy Assessment Toolkit. A model case and a contrary case were developed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      The findings support the conceptual validity of\n                      <jats:italic toggle=\"yes\">Inadequate digital health literacy<\/jats:italic>\n                      as a distinct human response not fully represented by existing NANDA-I diagnoses. The proposed structure clarifies defining characteristics, related factors, and at-risk populations.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Implications for Nursing Practice<\/jats:title>\n                    <jats:p>\n                      Recognizing\n                      <jats:italic toggle=\"yes\">Inadequate digital health literacy<\/jats:italic>\n                      as a nursing diagnosis may support more accurate clinical assessment and guide interventions aimed at improving clients\u2019 ability to access, appraise, and use digital health resources.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/20473087261471630","type":"journal-article","created":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T15:37:15Z","timestamp":1785425835000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Inadequate Digital Health Literacy \u2013 Conceptual Validity of a Nursing Diagnosis Proposal"],"prefix":"10.1177","author":[{"given":"Camilla do Ros\u00e1rio","family":"Nicolino Chiorino","sequence":"first","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo (EPE-UNIFESP)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-4380-0003","authenticated-orcid":false,"given":"Bianca Lorena","family":"Ligabo","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo (EPE-UNIFESP)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9169-6052","authenticated-orcid":false,"given":"Daniele Cristina Bosco","family":"Aprile","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo (EPE-UNIFESP)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1010-7912","authenticated-orcid":false,"given":"Alexia Louisie Pontes","family":"Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo (EPE-UNIFESP)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dolores Eunice","family":"Hernandez-Herrera","sequence":"additional","affiliation":[{"name":"Universidad Aut\u00f3noma de Tamaulipas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edgar No\u00e9","family":"Morelos-Garcia","sequence":"additional","affiliation":[{"name":"Universidad Aut\u00f3noma de Tamaulipas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hortensia","family":"Casta\u00f1eda-Hidalgo","sequence":"additional","affiliation":[{"name":"Universidad Aut\u00f3noma de Tamaulipas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nora Hilda","family":"Gonz\u00e1lez-Quirarte","sequence":"additional","affiliation":[{"name":"Universidad Aut\u00f3noma de Tamaulipas"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana Paula","family":"da Concei\u00e7\u00e3o","sequence":"additional","affiliation":[{"name":"Instituto Dante Pazzanese de Cardiologia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6243-6497","authenticated-orcid":false,"given":"Camila","family":"Tak\u00e1o-Lopes","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo (EPE-UNIFESP)"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,7,30]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijmedinf.2020.104322"},{"key":"e_1_3_3_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/20552076241288380"},{"key":"e_1_3_3_4_1","doi-asserted-by":"publisher","DOI":"10.1177\/0733464818807468"},{"key":"e_1_3_3_5_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph19074225"},{"key":"e_1_3_3_6_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph19063676"},{"key":"e_1_3_3_7_1","doi-asserted-by":"publisher","DOI":"10.1177\/20552076241287894"},{"key":"e_1_3_3_8_1","doi-asserted-by":"publisher","DOI":"10.1177\/20552076221119336"},{"key":"e_1_3_3_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jbusres.2013.10.001"},{"key":"e_1_3_3_10_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph182312528"},{"key":"e_1_3_3_11_1","doi-asserted-by":"publisher","DOI":"10.2196\/44501"},{"key":"e_1_3_3_12_1","doi-asserted-by":"publisher","DOI":"10.1097\/JCN.0000000000000575"},{"key":"e_1_3_3_13_1","doi-asserted-by":"publisher","DOI":"10.2196\/24097"},{"key":"e_1_3_3_14_1","doi-asserted-by":"crossref","DOI":"10.37689\/acta-ape\/2024ar0011733","article-title":"A review of nursing diagnoses prevalence in different populations and healthcare settings","volume":"37","author":"D\u2019Agostino F.","year":"2024","unstructured":"D\u2019Agostino F., Tuinman A., Lopes C. 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