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. 2024 Jun 17;132(6):067004. doi: 10.1289/EHP13947

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EHP is an open-access journal published with support from the National Institute of Environmental Health Sciences, National Institutes of Health. All content is public domain unless otherwise noted.

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Figure 2 is a flowchart with two steps. Step 1: 18,673 participants were included at baseline in this study from 2007 to 2018, including 15,050 participants in the first wave (the baseline) and 3,623 participants in the second wave and third wave. Out of 18,673 participants, 8,053 participants with missing follow-up information were excluded, and 978 participants with no morbidity information were excluded. There are 9,642 participants who were matched with residential greenness data based on address. Step 2: Out of 9642 participants, matched residential greenness data based on address: 152 participants diagnosed with depression at baseline were excluded; 11 participants with missing follow-up years were excluded; 268 participants with missing key information were excluded; and 730 participants younger than 50 years of age were excluded. There are 8,481 participants aged 50 years and older included for analysis (with at least two waves of information). — The selection process of SAGE study participants in China. Missing key information includes drinking status ( $lowercase italic n equals 190$ ), body mass index ( $lowercase italic n equals 47$ ), household cooking fuel ( $lowercase italic n equals 20$ ), annual family income ( $lowercase italic n equals 7$ ), smoking status ( $lowercase italic n equals 3$ ), and marital status ( $lowercase italic n equals 1$ ). Note: SAGE, Study on Global Ageing and Adult Health.