This coefficient is the highest when t = 0.5 and the lowest when t = 0.9, showing an overall trend of increasing first and then decreasing.
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The impact of informal social support on the health poverty vulnerability of the elderly in rural China: based on 2018 CHARLS data.
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The sentences
This coefficient was the highest when t = 0.5 and the lowest when t = 0.9 and showed a trend of slow rise and then decline as a whole.