Chamberlain SA, Griffith LE, Savage RD, Batara J, Yan W, Gruneir A. Single-item versus scale: Comparing respondent demographic, social, and health characteristics by measure of loneliness using the Canadian Longitudinal Study on Aging (CLSA) data. PLoS One. 2026 Feb 4;21(2):e0341572. doi: 10.1371/journal.pone.0341572. PMID: 41637408; PMCID: PMC12871960.