The nature of caregiving is affected by factors such as size of household and number and age of children; and there are significant differences between developed and developing countries in the availability of infrastructure and services supporting caregiving.
照料的性质受到家庭规模和儿童的数量及年龄等因素的影响，发达国家和发展中国家在提供辅助照料的基础设施和服务方面存在重大差异。