{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T10:57:49Z","timestamp":1788519469682,"version":"build-2803163510"},"reference-count":28,"publisher":"Oxford University Press (OUP)","issue":"12","license":[{"start":{"date-parts":[[2025,12,8]],"date-time":"2025-12-08T00:00:00Z","timestamp":1765152000000},"content-version":"vor","delay-in-days":10,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001921","name":"NIHR Public Health Research Programme","doi-asserted-by":"publisher","award":["13\/164\/51"],"award-info":[{"award-number":["13\/164\/51"]}],"id":[{"id":"10.13039\/501100001921","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001921","name":"NIHR Public Health Research Programme","doi-asserted-by":"publisher","award":["130156"],"award-info":[{"award-number":["130156"]}],"id":[{"id":"10.13039\/501100001921","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,11,28]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Supporting older adults to maintain physical activity is a key tool in combating the rising prevalence of physical frailty and its associated social, health and economic burden. Walkability of the physical environment, which in urban areas includes pedestrian infrastructure and safety, is a key facilitator of physical activity. Road crossings may be one such factor that impacts walkability for older populations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study aimed to determine what proportion of community dwelling adults \u226565\u00a0years of age classified as frail\/pre-frail in terms of their lower limb physical function would meet the 1.2\u00a0m\/s required walking speed for pedestrian crossings, and the demographic characteristics associated with low gait speed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Four-metre walking speed data from 1110 older adults in two randomised controlled trials were analysed. Gait speed and the proportion meeting the 1.2\u00a0m\/s \u2018green signal\u2019 crossing time was calculated. Generalised linear models explored differences in gait speed by sex, age, education, marital status, socioeconomic status and physical function.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Seventeen (1.5%) of the sample walked fast enough at their usual comfortable pace to cross during a 1.2\u00a0m\/s green signal. The mean gait speed for the sample was 0.77 (SD 0.19). Older age, lower physical function and non-white ethnicity were characteristics associated with slower gait speed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Pedestrian crossings assuming a gait speed of 1.2\u00a0m\/s are inadequate for mobility-limited older adults to cross at a comfortable walking speed. Further studies are needed to assess the impact of slow gait speed on outdoor physical activity and to develop policies for more accommodating pedestrian infrastructure.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ageing\/afaf345","type":"journal-article","created":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T13:14:40Z","timestamp":1763644480000},"source":"Crossref","is-referenced-by-count":5,"title":["Why didn\u2019t the senior citizen cross the road? Gait speed in community-dwelling older adults with mobility limitations relative to pedestrian crossing times"],"prefix":"10.1093","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1107-8498","authenticated-orcid":false,"given":"Max J","family":"Western","sequence":"first","affiliation":[{"name":"Department for Health, University of Bath , Bath ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Janet","family":"Withall","sequence":"additional","affiliation":[{"name":"School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham , Birmingham ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rory","family":"Sheppard","sequence":"additional","affiliation":[{"name":"College of Biomedical and Life Sciences, Cardiff University , Cardiff ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Colin","family":"Greaves","sequence":"additional","affiliation":[{"name":"School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham , Birmingham ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melvyn","family":"Hillsdon","sequence":"additional","affiliation":[{"name":"Sport and Health Sciences, University of Exeter , Exeter ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Afroditi","family":"Stathi","sequence":"additional","affiliation":[{"name":"School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham , Birmingham ,","place":["UK"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2025,12,8]]},"reference":[{"key":"2025120719023647600_ref1","doi-asserted-by":"publisher","first-page":"567","DOI":"10.1007\/s10522-016-9641-0","article-title":"Physical activity in older age: perspectives for healthy ageing and frailty","volume":"17","author":"McPhee","year":"2016","journal-title":"Biogerontology"},{"key":"2025120719023647600_ref2","doi-asserted-by":"publisher","first-page":"e316","DOI":"10.1016\/S2468-2667(22)00004-4","article-title":"Effect of a physical activity and behaviour maintenance programme on functional mobility decline in older adults: the REACT (Retirement in Action) randomised controlled trial","volume":"7","author":"Stathi","year":"2022","journal-title":"Lancet Public Health"},{"key":"2025120719023647600_ref3","doi-asserted-by":"publisher","first-page":"239","DOI":"10.1111\/hex.12608","article-title":"Multiple influences on participating in physical activity in older age: developing a social ecological approach","volume":"21","author":"Boulton","year":"2018","journal-title":"Health Expect"},{"key":"2025120719023647600_ref4","doi-asserted-by":"publisher","first-page":"82","DOI":"10.1186\/s12966-025-01753-4","article-title":"Enablers and barriers to physical activity among older adults of low socio-economic status: a systematic review of qualitative literature","volume":"22","author":"Malkowski","year":"2025","journal-title":"Int J Behav Nutr Phy"},{"key":"2025120719023647600_ref5","doi-asserted-by":"publisher","first-page":"83","DOI":"10.1186\/s12966-025-01775-y","article-title":"Correlates and determinants of physical activity among older adults of lower versus higher socio-economic status: a systematic review and meta-analysis","volume":"22","author":"Malkowski","year":"2025","journal-title":"Int J Behav Nutr Phy"},{"key":"2025120719023647600_ref6","doi-asserted-by":"publisher","first-page":"162","DOI":"10.1093\/ageing\/afu148","article-title":"Prevalence of frailty and disability: findings from the English Longitudinal Study of Ageing","volume":"44","author":"Gale","year":"2015","journal-title":"Age Ageing"},{"key":"2025120719023647600_ref7","doi-asserted-by":"publisher","first-page":"afad058","DOI":"10.1093\/ageing\/afad058","article-title":"Frailty transitions and prevalence in an ageing population: longitudinal analysis of primary care data from an open cohort of adults aged 50 and over in England, 2006\u20132017","volume":"52","author":"Walsh","year":"2023","journal-title":"Age Ageing"},{"key":"2025120719023647600_ref8","doi-asserted-by":"publisher","first-page":"142","DOI":"10.3109\/09593985.2012.703760","article-title":"A study to investigate the walking speed of elderly adults with relation to pedestrian crossings","volume":"29","author":"Bollard","year":"2013","journal-title":"Physiother Theory Pract"},{"key":"2025120719023647600_ref9","doi-asserted-by":"publisher","first-page":"e0182180","DOI":"10.1371\/journal.pone.0182180","article-title":"Older adults must hurry at pedestrian lights! 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