What question did this study set out to answer?

This study aims to assess the impact of provincial-level pooling of the Basic Medical Insurance Scheme on inpatient service utilization and equity in hospitalization costs.

May 22, 2026Frontiers in Public HealthOpen Access

Impact of elevated pooling levels in basic medical insurance on insured individuals' inpatient service utilization—An equity analysis

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CXChengrun Xie HWHongxi Wang JLJiaming Li

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Overview

Randomized trial examines how provincial-level pooling affects inpatient care utilization and equity, highlighting disparities among income groups.

Key Points

This study aims to assess the impact of provincial-level pooling of the Basic Medical Insurance Scheme on inpatient service utilization and equity in hospitalization costs.
Analyzed data from seven waves of the China Family Panel Studies (2010-2022) with a final sample of 4,895 observations.
Employed a staggered difference-in-differences model with province and year fixed effects to estimate effects on inpatient service utilization and costs.
Applied concentration indices and Wagstaff decomposition to evaluate income-related inequality.
Provincial-level pooling increased the probability of inpatient service utilization by 24.3% and raised average hospitalization costs by approximately 445 yuan.
Both pooling models enhanced utilization, with the provincial risk adjustment fund model showing a stronger effect.
Concentration index analysis revealed that inpatient utilization and costs were disproportionately higher among wealthier individuals, with provincial pooling accounting for over 10% of inequality.

Cite This Study

Xie et al. (2026) studied this question.

synapsesocial.com/papers/6a0ff2a8d674f7c03778b19e https://doi.org/10.3389/fpubh.2026.1804493

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May 22, 2026Frontiers in Public HealthOpen Access

Impact of elevated pooling levels in basic medical insurance on insured individuals' inpatient service utilization—An equity analysis

View Full Paper

Ask AI

Bookmark

Authors

CXChengrun Xie HWHongxi Wang JLJiaming Li

Discussion

Member takes

Overview

Randomized trial examines how provincial-level pooling affects inpatient care utilization and equity, highlighting disparities among income groups.

Key Points

This study aims to assess the impact of provincial-level pooling of the Basic Medical Insurance Scheme on inpatient service utilization and equity in hospitalization costs.
Analyzed data from seven waves of the China Family Panel Studies (2010-2022) with a final sample of 4,895 observations.
Employed a staggered difference-in-differences model with province and year fixed effects to estimate effects on inpatient service utilization and costs.
Applied concentration indices and Wagstaff decomposition to evaluate income-related inequality.
Provincial-level pooling increased the probability of inpatient service utilization by 24.3% and raised average hospitalization costs by approximately 445 yuan.
Both pooling models enhanced utilization, with the provincial risk adjustment fund model showing a stronger effect.
Concentration index analysis revealed that inpatient utilization and costs were disproportionately higher among wealthier individuals, with provincial pooling accounting for over 10% of inequality.

Cite This Study

Xie et al. (2026) studied this question.

synapsesocial.com/papers/6a0ff2a8d674f7c03778b19e https://doi.org/10.3389/fpubh.2026.1804493

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