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Models were fitted for each walking condition, and\n                      <jats:italic>R<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      statistics were used to compare predictive value across models. Models were repeated for persistent mobility disability, defined as at least two consecutive years of mobility disability.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      Mobility disability occurred in 204 (60.5%) participants over the 8\u2010year follow\u2010up. There was a lower hazard of developing mobility disability with faster gait speed under all conditions. Hazard ratios, confidence intervals, and\n                      <jats:italic>R<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      of gait speed predicting mobility disability were similar across all four walking conditions (\n                      <jats:italic>R<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      range = 0.22\u20100.27), but were strongest for dual\u2010task gait speed (hazard ratio [95% confidence interval],\n                      <jats:italic>R<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      of fully adjusted models = 0.81 [0.75\u20100.88], 0.27). Results were comparable for persistent mobility disability (\n                      <jats:italic>R<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      range = 0.26\u20100.28).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSION<\/jats:title>\n                    <jats:p>\n                      Slower gait speed under both usual\u2010pace and complex conditions may be a clinical indicator of future risk of mobility disability. These results support the call for increased use of gait speed measures in routine geriatric care.\n                      <jats:bold>J Am Geriatr Soc 67:2072\u20132076, 2019<\/jats:bold>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jgs.16049","type":"journal-article","created":{"date-parts":[[2019,7,18]],"date-time":"2019-07-18T07:01:16Z","timestamp":1563433276000},"page":"2072-2076","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Associations of Usual Pace and Complex Task Gait Speeds With Incident Mobility Disability"],"prefix":"10.1111","volume":"67","author":[{"given":"Andrea L.","family":"Rosso","sequence":"first","affiliation":[{"name":"Department of Epidemiology Graduate School of Public Health, University of Pittsburgh Pittsburgh 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