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. 2024 Mar 1;132(3):037001. doi: 10.1289/EHP13071

Figure 1.

Figure 1 is a flowchart with two steps. Step 1: There were 442,782 participants aged 18 years old or older from 2001 to 2016, excluding 106,654 participants with incomplete information that included 33,313 participants without greenness exposure measurements, 3,736 participants without blood pressure measurements, and 69,605 participants without covariate measurements. After exclusion, there were 336,128 participants with 727,544 medical examinations. Step 2: There were 336,128 participants with 727,544 medical examinations, excluding 210,591 participants that include 10 participants with outlier blood pressure values, 190,169 participants who underwent only one medical examination, and 20,412 participants who had hypertension at baseline. After exclusion, there were 125,537 participants with 442,435 medical examinations included in the study.

Flow chart of participant selection for a study on neighborhood greenness and incident hypertension in Taiwanese adults.