| Objective: According to nutrition investigation , health inspection , laboratory research ,to analyze the quantity of food consumption ,the level of nutrition intake ,the situation of dietary structure , nutritional disease and the trendency of transformation of people of different income in chongqing by regression, to compare the nutrition and the situation of difference and problem of the nutritional disease of different groups ,to analyze the relation of nutrition intake and nutritional disease of different groups,to researche the dietary factors affecting people's health. According to our research, we could make up with the corresponding policies to promote and improve the reasonable nutrition of chongqing people, provide the scientific gist of the nutrition improvement and health promotion for our government ,to decrease the nutritional disease ,to reform the pepole's situation of nutrition and health ,to boost the body diathesis of people,to improve the instant developmente of economy and society.Methods: to investigate the families' income and memers, and study the member's general situation, the primary chronic disease, the history of family ,the individual habit, survey the mode of infants breeding ,the health situation of pregnant women and nannie. And To investigate the height and weight of all the members, including measuring the blood pressure for above 15 years old people .To collect the people's blood samples and measure the hemiglobin, blood sugar in right away ,and the blood grease which is measured in the CQCDC.To Collect the frequency and quantity of food consumption in the past one year for above 15-years-old people with the method of food frequency collection.To Analyze and dealt the data in T-test,F-Test.X2-test and logistic regression by EXCEL,SPSS12.0 and SAS8.,Results:The results indicate that people in high-income group take 300.2g cereal, potato and legume ,314.7g vegetable,71.9g fruit, 175.3g animal food,69.3gsoybean, 46.2g grease per day. the fruit intake is lower than the standard of our nation's pyramid of food guide, the grease intake is higher than the standard. The situation of nutrition intake: the quantity of heat is 246IKeal,taking up 102.5% of RNIs, the protein is 80.8g,taking up of 107.7% of RNIs, the grease is lOl.lg, supplying 38.2% of the whole quantity of heat, which is exceeding 52.8% of the recommended standard, the dietary fabric is 8.9g. the dietary mode of this group is "high quantity of heat, high protein , high grease, low diet fibre".People in mid-income group takes 517.3g cereal, potato and legume ,575.0g vegetable,50.5g fruit,96.Og animal food, 51.4g grease,29.8g soybean per a day. the intake of fruit and animal food is lower than the standard of our nation's pyramid of food guide, the intake of vegetable and grease is higher than the standard. The situation of nutrition intake: the quantity of heat is 2901 Kcal,taking up 120.9% of RNIs, the protein is 71.4g,taking up of 95.2% of RNIs, the grease is 82.5g, supplying 26.4% of the whole quantity of heat, which is exceeding 5.6% of the recommended standard , the dietary fabric is 13.9g. the dietary mode of this group is "high quantity of heat, high grease, low protein , low diet- fibre".The low- income group takes 558.8g cereal, potato and legume ,213.lg vegetables, 12.6g fruit,78.6g animal food, 35.2g grease,15.5g soybean per a day. the intake of vegetables, fruit,soybean and animal food is lower than the standard of our nation's pyramid of food guide, the intake of grease is higher than the standard. The situation of nutrition intake: the quantity of heat is 2920Kcal,taking up 121.6% of RNIS, the protein is 69.8g,taking up of 93.1% of RNIs, the grease is 73.4g, the diteary fabric is 7.7g taking up 25.7% of RNIs. VC meet the requirement of RNIs,but retinol and VitBl and VitB2 are deficient,and the intake of mineral element is lower than the requirement of RNIs or AIS. The dietary mode of this group is" high qunatity of heant,low protein,low diet-fibre".In lower-income,the intake of Cereal, potato and legume is 558.8 per day, vegatable is 213.1g per day, fruit is 12.6 per day, animality food is 78.6g per day, axunge is 32.2g per day,and soja is 15.5g per day.the intake of vegatable,fruit,soja and animality food do not meet the requirement of food guide of Chinese,and the intake of grain ration and axunge are higher than the requirement of food guide ofChinese.The status of nutriment intake is that energy is 2920Kcal, account for 121.6% of RNIs;protein is 68.9g,and account for 93.1% of RNIs;fattiness is 73,4g,and account for 23.4% of total-energy;Diet-fibre is 7.7g,and account for 25.7% of RNIs; VitC meet the requirement of RNIs,but retinol and VitBl and VitB2 are deficient,and the intake of mineral element is lower than the requirement of RNIs or Ais."high eneryg,low protein,low diet-fibre" is the pattern of lower-income group.Infants that drink sugar water before breast feeding occupy 12.6%, 13.6%. 33.3% respectively in the high-income, middle-income and lower- income groups, the lower income group has the highest ratio. After birth, more than 80% of all the infants drink milk and there is little difference between the three groups. The feeding time of new-born infant is 0.8 hour in the high-income group, which is the shortest; 4 hours in the middle-income group and 5 hours in the lower-income group. The breast-feeding time of four-months-old infants takes up 76.7% in the high-income group (the lowest proportion) and above 85% in the other two groups. The time of quitting breast-feeding is 8 months in both high-income and middle-income groups and 11 months in the lower-income group. The proportion of suffering respiration and intestines diseases appears low in the high-income group and high in the lower-income group. In particular, the numbers of suffering intestine infectious disease is various significantly (P<0.01) between different groups .The census of height and weight among children aged from 3 to 14 years old shows that the high-income group has better height and weight than the middle-income group the middle-income group is better than the lower-income group, the difference is obvious. In the Z assessment among 3-6 years old children, there is no obvious variation in symptoms of growth delay, low weight, losing weight, over-weight and obesity (P > 0.01). However, in the elder age samples, the growth delay ratio in the lower-income group is higher than that in the high and middle-income groups and the variation is very obvious (P<0.01). In the 4-6 years old samples, the overweight ratio in the high-income group is higher than that in the middle and lower-income groups and there is obvious variation (P<0.01). The symptoms of malnutrition, overweight and obesity are very popular among 7-14years old children. The lower-income group has the most malnutrition patients and the high-income group has the most overweight and obesity patients. In the samples below 6 years old, the anemia ratios in the high, middle and lower-income groups are 2.03%, 5.26% and 25.98% respectively. The anemia ratio in the lower-income group is apparently higher than that in the middle and high-income groups (P<0.01). In the 6-14 years old samples, the anemia ratios in the three groups are 11.81%, 7.94% and 26.91% respectively. The lower-income group has the highest ratio and is apparently higher than the middle and high-income groups (P<0.01).It is very common in pregnant women to slightly suffer anemia and it appears most in the lower-income group (12.5% of this group has anemia); while in the high and middle- income groups the ratio is 3.5% and 8.1%. During pregnancies, the high-income group takes nutrition preparations such as calcium (50%), Vitamin B2 (46.7%) and iron(38.3%), which is much higher than the middle and lower-income groups (P<0.01). The middle and lower-income groups take in much more compound vitamins and cod liver oil than the high-income group (P<0.01). There are averagely above 50% of the pregnant women suffering shank convulsion and the middle-income group has the highest ratio (87.1%). Among all the samples invested, proportions of suffering hypertension of pregnancy and diabetes mellitus are both pretty low.The corresponding nutrition disease state is that of middle-aged and yong people labored women in the high-income group dropped dramatically in the second month after delivery, while the other two groups decreased slightly. There are 90% women in the high-income group, 40% in the middle-income group and 17.6% in the lower-income group have correct recognition about breast feeding and the variation between groups is obvious (P<0.01). The proportion of taking nutrition preparations is very low and lower than that during pregnancy.The anemia ratio of men is 15.93% in the high-income group, 21.80% in the middle-income group and 32.44% in the lower-income group; the lower-income group has the highest ratio and the variation between groups is obvious (P<0.01). The anemia ratio of women is 27.52% in the high-income group, 22.49% in the middle-income group and 56.74% in the lower-income group; the ration of thelower-income is apparently different from that of the high and middle-income groups (P<0.01). The malnutrition ratio in the three groups is 4.3%, 8.4% and 18.8% and the lower-income group is the highest group. There is apparent variation between different groups (P<0.01). The obesity ratio in the three groups is 33.9%, 12.8% and 7.1% , the high-income group is the highest group. There is apparent variation between different groups (P<0.01).The anemia ratio in old people of our city is relatively high. The anemia ratio of men is 26.75%,51.16% and 67.74% in the three groups respectively, the lower-income group is the highest, There is obvious variation between different groups (P<0.01). The anemia ratio of women is 27.52%, 22.49% and 56.74% in the three groups respectively. The malnutrition ratio is 2.6%, 24.0% and 28.2% in the high, middle and lower-income groups respectively and the lower-income group is the highest, There is obvious variation between different groups (P<0.01).The obesity ratio is 31.43%, 12.79% and 12.18% in the high, middle and lower-income groups; the ratio of suffering hypertension is 21.02%, 17.40% and 12.73% in the three groups respectively; the ratio of suffering diabetes is 4.53%, 2.30% and 4.80% in the three groups respectively; the ratio of suffering high blood lipoids is 11.97%, 3.89% and 3.37% in the three groups respectively. There are apparent variations between groups in terms of obesity, hypertension, diabetes and high blood lipoids diseases ( P<0.01 ). There is also high relativity between obesity , hypertension and high blood lipoids ( P<0.01 ) .Conclusions:Statistics Nutrition intakes is various greatly among different groups and malnutrition and over-nutritional symptoms both exist. In the high-income group, the intake of calories, proteins and fat surpasses DRIs standard, however, the intake of fabric is below standard; in the middle-income group, the intake of calories and fat surpasses DRIs standard, however, the intake of proteins and fabric is below standard; in the lower-income group, the intake of calories surpasses DRIs standard, however, the intake of proteins and fabric is below standard. The high-income group adopts a food model of "high calories, high proteins, high fat and low fabrics", the middle-income group follows a "high calories, low proteins, high fat and low fabrics" style and the lower-income grouphas a "high calories, low proteins and low fabrics" model. In the health state of infants and children, the high-income group priories to the middle and lower-income groups in terms of feeding and hygiene; the growth and development of children is obviously better than the middle and lower-income groups. The ratio of malnutrition and anemia in the high-income group is lower than that of the middle and lower-income groups, on the other hand, the ratio of obesity. Hypertension and high blood lipoids in the high-income group is higher than that of the middle and lower-income groups.Contermeasures.'We shall make long-term and short-term objectives to improve the nutrition conditions and control relative diseases; To establish organizations and assign clear responsibilities. We also should make suitable nutrition policies for our city, supervise nutrition and health conditions and strengthen food operational management. Finally, we must put emphasis on the health education to people and improve their nutrition and health conditions.
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