农民的农业生产多样性对其饮食多样化和营养健康的影响

黄泽颖,孙君茂,郭燕枝,王秀丽,马云倩

Influence of Farmers’ Farm Production Diversity on Their Own Dietary Diversity and Nutritional Health

ZeYing HUANG,JunMao SUN,YanZhi GUO,XiuLi WANG,YunQian MA

表7 研究变量的统计概况

Table 7 Statistical overview of research variables

变量名称 Variable name 变量 Variable 变量的解释 Variables interpretation 变量的说明与赋值 Description and assignment of variables 均值 Mean 标准差 Standard deviation 因变量 Dependent variable 农民的饮食多样化 Farmers' dietary diversity 人日均摄入的食物种类 The type of food daily intake per capita 计数变量 Counting variable 3.34 1.18 农民营养健康状况 Farmers' nutritional health 健康（18.5 kg·m-2 ≤BMI<24 kg·m-2）,不健康（低于18.5 kg·m-2和高于24 kg·m-2） Healthy (18.5 kg·m-2≤BMI< 24 kg·m-2), unhealthy (below 18.5 kg·m-2 and above 24 kg·m-2) 分类变量：不健康=0;健康=1 Categorical variables: unhealthy =0; Health = 1 0.59 0.49 关键解释变量 Key explanatory variable 农业生产多样性 Farm production diversity 农民生产的食物种类 The kinds of food farmers produce 计数变量 Counting variable 3.37 1.48 控制变量 Control variable 性别 Gender — 分类变量：女=0;男=1 Categorical variables: Female = 0; Male = 1 0.41 0.49 年龄 Age — 连续变量：周岁 Continuous variables; Age 56.38 12.51 受教育程度 Education 目前的最高教育程度 Current highest education level 虚拟变量：小学以下文化水平=1;否=0 Dummy variable: Education level below primary school =1; No = 0 0.21 0.40 虚拟变量：小学文化水平=1 ;否=0 Dummy variable: Education level below primary school =1; No= 0 0.30 0.46 虚拟变量：初中文化水平=1 ;否=0 Dummy variable: Junior middle school education level =1; No = 0 0.36 0.48 虚拟变量：高中、中专、职高文化水平=1 ;否=0 Dummy variable: High school, technical secondary school, vocational high school education level =1; No= 0 0.10 0.31 虚拟变量：大专及以上=1 ;否=0 Dummy variable: College degree and above =1; No= 0 0.03 0.17 家庭总纯收入 Total net household income — 连续变量：万元 Continuous variable: Ten thousand yuan 2.93 2.74 营养知识认知 Knowledge of nutrition 对《中国居民膳食指南（2016）》中（1）食物多样、谷物为主;（2）吃动平衡、健康体重;（3）多吃蔬果、奶类、大豆;（4）适量吃鱼、禽、蛋、瘦肉;（5）少油少盐、控糖限酒;（6）杜绝浪费,兴新食尚的认知情况 The known advices from Dietary Guidelines for Chinese Residents (2016),.(1) Food variety, mainly grains;(2) The balance between diet and activity for healthy weight;(3) Eat more fruits, vegetables, milk and soy;(4) Eat fish, poultry, eggs, lean meat appropriately;(5) Less oil, less salt, less sugar and less wine;(6) Put an end to waste and start new diets 计数变量：全部了解=6;以此类推,全部不了解=0 Counting variable: Understand all=6; And so on, understand none=0 3.97 1.87 市场准入 Market access 所在村与最近食物/食品市场的距离 The distance between the village and the nearest food market 连续变量（公里） Continuous variable (km) 2.45 2.68 食物营养教育服务 Food and nutrition education service 是否有人员过来开展食物营养健康教育 Whether health education of food and nutrition was carried out 分类变量：否=0;是=1 Categorical variables:No=0;Yes= 1 0.53 0.50