Childcare burden and psychological distress among elderly people involved in grandparenting: A study on local and migrant grandparents in Hangzhou, China.

Grandparenting is known to impact psychological health in older people. However, the extent to which the effect is altered by migration-related and sociodemographic determinants is less clear. Therefore, we conducted this cross-sectional study to investigate whether the association between grandparenting and psychological distress differs between rural-urban migrants and local older adults from May to September 2019. A total of 373 rural-urban migrants and 602 local older adults involved in grandparenting in Hangzhou completed measurements assessing sociodemographic characteristics, childcare burden and psychological distress. In total, 22.2% of the grandparents reported psychological distress. Rural-urban migrant grandparents had a lower socioeconomic status (SES), a higher childcare burden (23.6 ± 9.2 vs. 20.7 ± 9.5, p < 0.001) and higher levels of psychological distress (29.8% vs. 17.4%, p < 0.001) than local grandparents. Childcare burden and pressure from adult children were the most significant predictors for psychological distress in both groups (ps < 0.05). Psychological distress was also significantly associated with self-rated health status (β = -0.276, p = 0.033) and willingness to participate in grandparenting (β = -0.659, p = 0.024) in migrant grandparents but associated with female gender (β = 0.346, p = 0.022), caring for children at night (β = 0.424, p = 0.011), conflict with adult children (β = 0.432, p < 0.001) and annual income (β = -0.237, p < 0.001) in local grandparents. Migrant status showed a statistically significant moderating effect between childcare burden and psychological distress. These results may be of assistance in comprehensively understanding the social determinants of mental health of grandparents involved in grandparenting.
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