{"doi":"10.31219/osf.io/q8bvn","title":"Primary care physicians’ perceptions of the effects of being overweight on all-cause mortality","abstract":"Given current evidence, clinical guidelines consider obesity (body mass index [BMI] ≥ 30), but not overweight (BMI 25–29.9), to be a risk factor for all-cause mortality. Two prominent meta-analyses in general populations have estimated associations of different BMI categories with all-cause mortality; these meta-analyses reported modest associations in opposite directions for the overweight category. Another meta-analysis suggested that in older adults, being overweight is associated with modestly reduced mortality. Given that primary care physicians (PCPs) frequently advise patients on BMI, we used matched clinical vignettes to assess PCPs’ perceptions of the direction and strength of the overweight-mortality association (n=192). We found that a large majority of PCPs (90%) perceive that being overweight increases all-cause mortality risk, contrasting with findings of clinical guidelines’ authors. PCPs typically estimate a strength of association that substantially exceeds current empirical estimates.","journal":"OSF Preprints (OSF Preprints)","year":2022,"id":305027,"datarank":0.10397207708399181,"base_score":0.6931471805599453,"endowment":0.6931471805599453,"self_citation_contribution":0.10397207708399181,"citation_network_contribution":0.0,"self_endowment_contribution":0.10397207708399181,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":1,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.961,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2022-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":998482,"name":"Vandana Mathur","orcid":"0000-0003-3089-8205","position":1,"is_corresponding":false},{"id":32607,"name":"Maya B. Mathur","orcid":"0000-0001-6698-2607","position":0,"is_corresponding":true}],"reference_count":7,"raw_metadata":{"citation_network_status":"fetched"},"created_at":"2026-07-19T00:32:37.185846Z","pmid":null,"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":[]}