PLOS One

Associations between physical activity levels and chronic lung diseases in middle-aged and older adults in China: A CHARLS-based study

By Zhaoyin Su, Long Pu, Rui Huang, Nerlich Michael

Fig 1. Flowchart of Study Participant Selection. — Fig 1. Flowchart of Study Participant Selection.Flowchart of Study Participant Selection.Su et al.

Cross-sectional study of 8,143 peoplePopulations

Declared no competing interests

The paper

Zhaoyin Su, Long Pu, Rui Huang, Nerlich Michael

Lanzhou University; University Hospital Regensburg

PLOS One, 8 Sep 2026

doi.org/10.1371/journal.pone.0354445 PubMed 42709770

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