The arrangement of chronic diseases were vision problem, gastricism, and oppression, and anxiety for city residents, and gastricism, and oppression and anxiety, and backache for countryside residents.

• 城市居民前3位疾病的顺位是：视力问题、胃炎或溃疡、压抑或焦虑，农村居民前3位疾病的顺位是：胃炎或溃疡、压抑或焦虑、背痛／椎间盘问题。