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Abstract Background In the context of the global aging challenge, an increasing number of middle‐aged and older adults (MAOAs) are engaging in grandparenting. However, the effect of grandparenting on the mental health of caregivers has shown inconsistent findings. To effectively promote healthy aging, it is imperative to adopt a comprehensive perspective and employ a rigorous approach to further investigate the relationship between these two social phenomena. Methods The data from the Harmonized China Health and Retirement Longitudinal Study were analyzed, focusing on MAOAs with at least one grandchild. Mental health assessments used the center for epidemiologic studies depression scale scale. The study employed a series of difference‐in‐differences (DID) models, especially complemented by propensity score matching, to evaluate the average treatment effect for the treated (ATT) on mental health of caregivers, considering covariates like personal and family characteristics. The intervention perspective includes both the provision and cessation of grandparenting. Results The study found that providing grandchildren care does not have a significant effect on the mental health of grandparents, in comparison to those who have never engaged in such care (ATT = −0.172, T = 0.65, p = 0.517 in the PSM‐DID model). Furthermore, ceasing this care also appears to have no substantial effect on the mental health of the caregivers, relative to individuals who have consistently offered grandchildren care (ATT = 0.060, T = 0.26, p = 0.795 in the PSM‐DID model). Furthermore, subsequent robustness analyses consistently supported these findings, even when considering data from different survey waves. Conclusions In contrast to many prior studies that have reported either positive or negative effects, our research reveals that grandparenting exerts no significant effect on the mental health of MAOAs. Consequently, health practitioners and policymakers should carefully consider the diverse cultural context when tailoring interventions and support strategies.
Wang et al. (Thu,) studied this question.