What is the most important factor to live long?

According to Herman Pontzer, it is amount of physical activity[ハーマン・ポンツァー『運動しても痩せないのはなぜか　代謝の最新科学が示す「それでも運動すべき理由」』, 小巻靖子訳, 2022, 草思社, p.283, amazonリンク].

Cited research is here, is says that it prevent you from metabolic syndrome features, walked >15 000 steps per day or spent >7 h per day upright.