Associations of older adults' physical activity and bout-specific sedentary time with frailty status: Compositional analyses from the NEIGE study

Hiroyuki Kikuchi, Shigeru Inoue, Shiho Amagasa, Noritoshi Fukushima, Masaki Machida, Hiroshi Murayama, Takeo Fujiwara, Sébastien Chastin, Neville Owen, Yugo Shobugawa