Measurement and spatiotemporal evolution characteristics of dietary diversity among Chinese residents.

ABSTRACT:

Purpose

The purpose of this paper is to measure the dietary diversity and to analyze the regional characteristics, differences, and evolutionary trends of dietary diversity among Chinese residents.

Methods

In this paper, the dietary diversity among Chinese residents was measured using the Shannon index based on the provincial-level food consumption data from 1995 to 2021. On this basis, the paper employs analysis methods such as kernel density estimation, spatial correlation test, and Dagum's Gini coefficient to analyze the regional characteristics, differences, and trends of change in dietary diversity.

Results

During the study period, the dietary diversity among Chinese residents showed an increasing trend. Among the four major geographic regions, the dietary divers

SUBMITTER: Qin G 

PROVIDER: S-EPMC11807821 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature