微信在线调查对提高蔬果知识知晓率的作用

Investigation on Improving Knowledge of Fruits and Vegetables by Online Survey of WeChat

目的研究微信在线调查对提高蔬果营养知识知晓率的作用。方法通过官方微信公众平台针对其用户同时开展为期6 d的蔬果营养知识竞猜,分析比较不同性别、年龄、文化程度和地区调查对象之间的相关知识知晓情况及多次作答正确率的提高情况。结果参加本次蔬果知识竞猜的参与者共5 052名。所有题目中维生素C含量较高的蔬菜以及膳食纤维较高的蔬菜水果的首次回答正确率较低,分别为39.02%、40.90%和44.03%,胡萝卜素含量高的蔬菜水果、钾含量高的水果、水果及其制品错误说法的回答正确率在不同性别、年龄、文化程度和地区的微信用户中均存在统计学差异(χ^2值为4.70~258.90,P<0.05)。经过多次随机题目作答,所有题目的正确率均有所上升,胡萝卜素含量高的蔬菜的知晓情况正确率上升至80.72%,维生素C含量高的蔬菜的知晓情况正确率上升至44.65%。不同作答次数的参与者正确率之间均存在统计学差异(χ^2值为102.86~419.08,P<0.05)。结论平台用户蔬果营养知识知晓情况有待进一步提高,通过利用专业机构的官方微信平台,对不同人群进行多次精准微信端的科普宣教,有利于改善其营养知识状况,从而提高全民营养素养水平。

Objectives To study the role of WeChat online survey for improving the awareness rate of vegetable and fruit nutrition knowledge.Methods Through the official wechat public platform,a six-day contest of vegetable and fruit nutrition knowledge was conducted for WeChat users at the same time,and the awareness of relevant knowledge among different genders,ages,education levels and regional respondents was analyzed and compared,as well as the improvement of the accuracy of multiple responses.Results A total of 5052 participants participated in the contest.The first correct answers of vegetables with high vitamin C content and vegetables and fruits with high dietary fiber in all questions are relatively low,with the correct rates of 39.02%,40.90%and 44.03%,respectively.There are statistical differences(χ^2:4.70-258.90,P<0.05)in the accuracy of answers of the vegetables and fruits with high carotene content,fruits with high potassium content and the wrong statement of fruits and their products in WeChat users of different genders,ages,education levels and regions.After many times of random questions answering,the correct rate of all questions increased,the correct rate of the knowledge of vegetables with high content of carotene increased to 80.72%,and that of vegetables with high content of vitamin C had increased to 44.65%.There were significant differences in the accuracy of the participants with different response times(χ^2:102.86-419.08,P<0.05).Conclusions The knowledge of vegetable and fruit nutrition of users of the platform needs to be further improved.Through the use of the official WeChat platform of professional institutions,the public education of WeChat terminal has been conducted for different groups for many times,which is conducive to the improvement of their nutritional knowledge and the improvement of the nutrition literacy level of the whole people.