一、研究对象与方法(一)研究对象以石家庄现住居民为研究对象,在石家庄三个商业中心和七个较大的体育场馆中随机进行问卷调查,发放问卷1000份,回收956份,商业中心发放500份,回收467份,体育中心发放500份,回收489份。(二)研究方法1.问卷调查法。根据研究需要共发放问卷1000份,回收956份,回收率为95.6%,其中有效问卷为930份,问卷回收有效率为 I. Subjects and Methods (I) Subjects of study The current residents in Shijiazhuang were selected as research subjects. Random surveys were conducted in three commercial centers and seven large stadiums in Shijiazhuang. 1,000 questionnaires were sent out and 956 copies were collected. Commercial Center issued 500 copies, 467 copies, Sports Center issued 500 copies, recycling 489 copies. (B) research methods 1. Questionnaire method. According to the research needs a total of 1000 questionnaires were distributed, 956 copies were recovered, the recovery rate was 95.6%, of which 930 valid questionnaires, the questionnaire recovery efficiency of