{"doi":"10.1159/000538969","title":"Onychocryptosis Is Associated with Low Income in a Matched Cohort Study Using the All of Us Database","abstract":"Introduction: Onychocryptosis is a common and often painful nail condition, but risk factors have been relatively unexplored. We aimed to analyze associations between onychocryptosis, comorbidities, and income level. Methods: Using the National Institute of Health All of Us Research Program Database, a matched case-control study was performed for patients with onychocryptosis diagnosis and comorbidities and lifestyle factors. Results: A total of 6,246 cases of onychocryptosis and 24,984 controls were analyzed. Patients with onychocryptosis versus controls had increased risk of onychogryphosis (OR 5.66; 95% CI 4.87, 6.58), onychomycosis (2.63; 2.06, 3.36), hallux valgus (1.68; 1.50, 1.87), type 2 diabetes mellitus (1.49; 1.40, 1.60), obesity (1.38; 1.30, 1.48), and peripheral vascular disease (1.24; 1.14, 1.35) compared to controls. Patients who reported living in low-income households more often had onychocryptosis (reference group annual income >200 k; annual income <10 k USD, OR: 1.76; 95% CI: 1.46, 2.12, p < 0.001 vs. annual income 150–200 k USD, OR: 1.26; 95% CI: 0.99, 1.61, p = 0.06). Conclusion: Low income, obesity, PVD, and T2DM were associated with onychocryptosis diagnosis. It is recommended that these at-risk populations be screened for onychocryptosis and counseled on proper nail trimming techniques. Future studies are needed to examine the relationship between household income and onychocryptosis risk.","journal":"Skin Appendage Disorders","year":2024,"id":497833,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.5844,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1120318,"name":"Onajia Stubblefield","orcid":null,"position":1,"is_corresponding":false},{"id":1344348,"name":"Tracey C. Vlahovic","orcid":"0000-0002-5310-4706","position":2,"is_corresponding":false},{"id":979996,"name":"Shari R. Lipner","orcid":"0000-0001-5913-9304","position":3,"is_corresponding":false},{"id":1209832,"name":"Rachel C. Hill","orcid":"0000-0001-5125-3997","position":0,"is_corresponding":true}],"reference_count":5,"raw_metadata":null,"created_at":"2026-07-19T02:09:34.764412Z","pmid":"39386309","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}