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Most older pedestrians are unable to cross the road in time

Date:
June 14, 2012
Source:
Oxford University Press
Summary:
Researchers have compared the walking speed of the older population in the UK with the speed required to use a pedestrian crossing. It found that the mean walking speed of participants in the Health Survey for England was 0.9 meters per second for older men and 0.8 meters per second for older women, which is much below the speed required to use a pedestrian crossing in the UK.

The vast majority of people over 65 years old in England are unable to walk fast enough to use a pedestrian crossing safely.
Credit: Ludmila Smite / Fotolia

The ability to cross a road in time is one that most of us take for granted. A new study published in the journal Age and Ageing, entitled 'Most Older Pedestrians are unable to cross the road in time: a cross-sectional study', has compared the walking speed of the older population in the UK (aged 65 and over) with the speed required to use a pedestrian crossing. Currently, to use a pedestrian crossing a person must cross at a speed above 1.2 meters per second.

The research led by Dr Laura Asher of the Department of Epidemiology & Public Health at UCL (University College London), found that the mean walking speed of participants in the Health Survey for England was 0.9 meters per second for older men and 0.8 meters per second for older women. This is much below the speed required to use a pedestrian crossing in the UK and many other parts of the world. As age increased in the participants, the speed at which they could walk also decreased. Overall, 76% of men and 85% of women had a walking speed that was below the required speed of 1.2 meters per second. The research also found that 93% of women and 84% of men had walking impairment.

Laura Asher comments that, "being able to cross the road is extremely important for local residents. It affects older adults' health, as they are more likely to avoid crossing a busy road. Walking is an important activity for older people as it provides regular exercise and direct health benefits. Being unable to cross a road may deter them from walking, reducing their access to social contacts and interaction, local health services and shops, that are all important in day to day life."

She added: "Older pedestrians are more likely to be involved in a road traffic collision than younger people due to slower walking speed, slower decision making and perceptual difficulties. Older people who are hit are also more likely to die from their injuries than younger people. Having insufficient time at a road crossing may not increase the risk of pedestrian fatalities but it will certainly deter this group from even trying to cross the road.

"For older people, the ability to venture outside of the home is not only important for health benefits but is also important to maintain relationships, social networks and independence. Physical activity in older residents is dependent on their ability to negotiate their local environment, including crossing a road safely. The groups of people identified in this study as the most vulnerable and as having a walking impairment are also the least likely to have access to other, more expensive, forms of transport."

Asher and colleagues built upon established knowledge of walking speeds by also showing that the 'oldest old', those living in a deprived area, current smokers, and those with a poor grip strength, were most likely to have a walking impairment. Older adults whose general health was rated as fair or worse, or who had a longstanding illness were also more likely to have a walking impairment.

The cross-sectional study used 2005 data from the Health Survey for England (HSE), a nationally representative survey of adults and children living in private households. It also included a boost sample of people aged above 65 years old. Data from these participants was collected from an interview and nurse visit. In total, 3,145 older adults received a nurse home visit, with 90% of men and 87% of women taking the walking speed test.

Asher states that "the strength of this study is that it provides an accurate picture of the proportion of people aged 65 and over in the general population who are likely to be unable to use pedestrian crossings safely. The study has a large sample size and the inclusion of participants with disability means that the study is representative of the older population. By testing people in the general population rather than those already using a pedestrian crossing, we have included people who may have difficulty using a pedestrian crossing and are therefore unwilling to use them."

"Further consideration needs to be taken on the time allowed at pedestrian crossings. Pedestrian crossing times are currently being decreased in London as part of the Smoothing Traffic Flow Strategy, which is one component of the 2010 Mayor's Transport Strategy. Although there has been no alteration in the minimum assumed walking speed of pedestrians, there is a reduced 'invitation to cross' (green man) time."

"Our study has shown that even before these changes, the vast majority of people over 65 years old in England are unable to walk fast enough to use a pedestrian crossing."

KEY POINTS:

  • The vast majority of people over 65 years old in England are unable to walk fast enough to use a pedestrian crossing safely
  • Those affected are more likely to be from deprived areas
  • It is important for older adults to be able to cross the road safely to keep physically active, maintain social contacts, and access shops and services
  • Current pedestrian crossing timings should be reviewed

Story Source:

The above story is based on materials provided by Oxford University Press. Note: Materials may be edited for content and length.


Journal Reference:

  1. L. Asher, M. Aresu, E. Falaschetti, J. Mindell. Most older pedestrians are unable to cross the road in time: a cross-sectional study. Age and Ageing, 2012; DOI: 10.1093/ageing/afs076

Cite This Page:

Oxford University Press. "Most older pedestrians are unable to cross the road in time." ScienceDaily. ScienceDaily, 14 June 2012. <www.sciencedaily.com/releases/2012/06/120614082712.htm>.
Oxford University Press. (2012, June 14). Most older pedestrians are unable to cross the road in time. ScienceDaily. Retrieved July 29, 2014 from www.sciencedaily.com/releases/2012/06/120614082712.htm
Oxford University Press. "Most older pedestrians are unable to cross the road in time." ScienceDaily. www.sciencedaily.com/releases/2012/06/120614082712.htm (accessed July 29, 2014).

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