In this study, of 1,000 people in New Zealand - born in the 1970s - aged 45 - the walking speed test was used much earlier, on adults in mid-life.
Daraasaddan waxaa laga qayb geliyey 1,000 qof oo ku nool dalka New Zealand ee dhashay 1970-yadi da'dooduna ay tahay 45 jirro, tijaabada socodkoodana waxaa la qaaday inta ay da'doodu ahayd da'da dhexe ee dhalinyaranimada.