The structural association between community environment and health vulnerability with the mediation role of sleep quality and social values among middle-aged and elderly adults in China: nationwide cross-sectional study

• Qingping ZhouSouthern Medical University
• Yusupujiang TuersunSouthern Medical University
• Zhenning LiangThe Seventh Affiliated Hospital of Sun Yat-sen University
• Xiyue ZhangSouthern Medical University
• Chenxi WangSouthern Medical University
• Yao YuSouthern Medical University
• Siyuan LiuSouthern Medical University
• Di DaiSouthern Medical University
• Shengfan ZhanSouthern Medical University
• Shun LiSouthern Medical University
• Yi QianSouthern Medical University