The self-reinforcing cycle under dual constraints—a study of the behavioral logic of urban empty-nest older adults substituting self-medication for formal medical treatment

IntroductionAgainst the stark backdrop of China’s rapidly aging population and the high prevalence of chronic diseases among the older adults, urban empty-nesters face a dual challenge stemming from inadequate intergenerational support and heightened health vulnerability. A deeper understanding of their illness coping behavior is therefore critically needed.MethodsThis study employs grounded th...