A cross-sectional epidemiologic study was conducted to evaluate vitamin C nutritional status by assessing dietary intake and blood vitamin C level and to identify the relationships between dietary vitamin C intake, serum vitamin C level and blood lead level in Korean lead workers. The study population was 118 lead workers from two battery manufacturing factories and 63 non-lead-exposed controls. A food consumption survey was conducted by the 24-hr recall method to determine the dietary vitamin C intake level. The anthropometric measurements, blood collection, and survey were performed between September and November, 2000. Blood lead levels and serum vitamin C levels were measured using an atomic absorption spectrometer and high performance liquid chromatography, respectively. Vitamin C nutritional status of Korean lead workers was lower than that of the control group, in terms of both dietary intake and the biochemical index: the mean daily dietary intake level of vitamin C of lead workers was 65.9mg (94% RDA), while that of controls was 132.6mg(189% RDA) ; and the serum vitamin C status of lead workers (0.10mg/dl) was significantly lower than that of controls (1.08mg/dl ; p<0.001). Both dietary vitamin C intake and serum vitamin C levels showed a significant negative correlation with blood lead level (p<0.001), which indicates that strategies of dietary management to promote the health of Korean lead workers should focus on promoting the vitamin C intakes of individuals.
Objectives: Studies that reported the association between diet quality/nutritional intake status and mortality have rarely used long-term follow-up data in Asian countries, including Korea. This study investigated the association between the risk of mortality (all-cause and cause-specific) and the diet quality/nutritional intake status using follow-up 12-year mortality data from a nationally representative sample of South Koreans. Methods: 8,941 individuals who participated in 1998 and 2001 Korea Health and Nutrition Examination Surveys were linked to mortality data from death certificates. Of those individuals, 1,083 (12.1%) had died as of December, 2012. Cox proportional hazard models were used to estimate the relative risks of mortality according to the level of diet quality and intakes of major nutrients. Indicators for diet quality index and nutritional intake status were assessed using MAR (mean adequacy ratio) and energy and protein intake level compared with the 2010 Korean DRI. Results: Higher diet quality/nutritional intake status were associated with lower mortality; the mortality risk (95% confidence interval) from all-cause of lowest MAR group vs highest was 1.66 (1.27 to 2.18) among ${\geq}30$ year old, and 1.98 (1.36 to 2.86) among 30~64 year old individuals. Those with below 75% of energy and protein intake of Korean DRI had higher mortality risks of all-cause mortality compared to the reference group. Diet quality/nutritional intake status was inversely associated with mortality from cardiovascular diseases and cancer. Conclusions: Poor Diet quality/nutritional intake status were associated with a higher risk of mortality from all-cause and mortality from cardiovascular diseases and cancer among South Korean adults.
Objectives: We aimed to examine health-related nutritional knowledge and dietary behavior related to caffeine intake among high school students (n = 310) in the Yongin region of Korea. Methods: Data were collected using a face-to-face survey, and analyzed using chi-square test, t- test, and logistic regression analysis. Results: The level of caffeine intake in respondents was divided into low (< 30 mg/d; n = 208) and high caffeine intake groups (> 30 mg/d; n = 102). Total nutritional knowledge related to bone disease was higher in the low intake group (score 2.75) than the high intake group (score 2.39; p < 0.05). The high intake group had lower scores for nutritional knowledge (score 0.70; p < 0.05) related to how caffeinated beverages affect sleep and for dietary behavior (score 3.25; p < 0.001), based on "I avoid caffeinated foods before sleep," than the low intake group (nutritional knowledge score, 0.80; dietary behavior score, 3.76). Conclusion: In the overall analysis, the low caffeine intake group had better nutritional knowledge related to bone and sleep health, and healthier dietary behavior related to sleep health compared with the high intake group.
Nutritional and health status was assessed in the 86 healthy elderly women who aged 65 through 96 and resided in nursing home in chonbuk area. Nutritional status was determined by dietary intake, anthropometric and hematological indices and hair elements. Correlation analysis among nutritional indices were performed to identify the factors which related specifically to nutritional status of the elderly. Nutrients intake below two-thirds of the RDA were Ca, riboflavin and niacin. Especially mean Ca intake was only 51.9% of RDA and most of nutrients intake were decreased as theri age increased. Height, body weight and mid upper arm circumference were decreased with age but W/H ratio did not differ among age groups. These data suggested that body fat accumulation did not change with age but lean body mass was decreased with age in the elderly. Waist circumference was positively correlated to dietary fat intake, and body weight, BMI, waist and hip circumferences and total body fat were positively correlated with serum LDC/HDL ratio. It could be concluded anthropometric indices were good indicator that reflect the lipid nutritional status in elderly women. Hematological indices, Hb, RBC, MCH, albumin, globulin, transferrin levels, belonged to normal ranges of aged women. However, the lowest Hb level showed in the oldest-old group(aged 85 and over years group). The avalilavilty of hair analysis to measure nutritional status was tested. There were not found any significant correlations between many kinds of nutritional indices and hair elements except hair Zn content which was positively correlated with BMI.
This study was performed to investigate the stress level, dietary attitudes and nutrient intakes of Food and Nutrition major female students at a university located in Changwon. A total of 122 female students taking the course 'Meal Management' during 2001-2004 participated in this study. The general characteristics, stress level and dietary attitudes of the subjects were surveyed using a self-administered questionnaire. The nutrient intake data collected from 3-day food-record method were analyzed by the Computer Aided Nutritional Analysis Program. The symptoms by stress showed that 'eye strain', 'physically exhausted or get tired' and 'pains on neck or shoulders' were high in 59.4-81.8%. The mean scores of stress in 2001-2004 were 8.5-12.0 out of 30 points and the subjects in 2002 and 2004 scored significantly higher on stress level than the subjects in 2001 did (p < 0.00. The mean scores of dietary attitudes were 58.7-66.6 out of 100 points, most of the subjects are belonged to the 'fair' group in terms of dietary habits level. The stress level had a negative correlation with dietary habits (p < 0.001). About 1/3 of the subjects, the intake of calcium, vitamin $B_2$, vitamin A and iron were less than 75% of Korean RDA, whereas more than half of the subject, protein, vitamin C and phosphorus intake were more than 125% of RDA, and intake ratio of Ca and P showed an unbalance of 1 : 2. The animal protein intake was higher than the plant protein, whereas the animal vitamin A and iron intake were lower than vegetable food source. In 2001-2004, the index of nutritional quality (INQ) of vitamin $B_2$ and niacin was 0.56-0.98, and in 2003, the INQs of vitamin $B_2$ was 0.56, and that of niacin was 0.67, which was extremely low when compared to that of the other nutrients. Therefore, nutritional education is necessary if female university students are to practice optimal nutrition, including well-balanced diets of high nutritional quality.
Although dietary intake of pregnant is supposed to have beneficial effects on development of infants, it may be harmful for fetal growth and development since specific food is a common source of toxicants including heavy metal. The purpose of this study was to investigate the association of maternal food intake and mid-pregnancy and their newborns blood lead levels. Pregnant women of 18-20 weeks of gestation were recruited from prenatal clinic in Seoul, Cheonan and Ulsan. In 422 pregnant women, dietary intake during pregnancy was assessed by a 24-hour recall method. Blood sample from pregnant (18-20 wks) and their cord blood at delivery were collected. Blood leas levels were analyzed by atomic-absorption spectrometry methods. Pregnant blood lead levels whose meat and meat products intake were in the highest quartile was significantly higher compared to the lowest quartile. Maternal meat and meat products intake was positively correlated maternal blood lead level (r=0.120, P=0.014). After adjusting for age, maternal blood lead level was positively correlated with their newborn blood lead level (r=0.303, P=0.030). As maternal food intake effects on blood lead levels of pregnant, careful regulation of food intake during pregnancy is perceives to be important in order to bring about desirable pregnancy outcomes.
This study examined salty taste acuity and salty taste preference and sodium intake in relation to zinc nutritional status in 2 rural populations in Korea. And we also examined the main food contributors of their sodium intakes. We enrolled 218 adults (66 men and 152 women) from the Kangneung and Samcheok regions in Korea's Kangwon province in our study conducted from December 2011 to February 2012. Participants from each region were divided into 3 groups based on their serum zinc level (T1: lowest, T2: intermediate, T3: highest). We compared the salty taste acuity and preference, Na index (Dish Frequency Questionnaire for estimation of habitual sodium intake), blood pressure, and intakes of nutrients including sodium by 3 groups of serum zinc level. The results were as follows: a higher serum zinc level indicated a lower sodium intake and Na index (P<0.05). The salty taste acuity was considerably higher for participants from the Kangneung region than those from the Samcheok region (P<0.05). And the serum zinc level was significantly higher in participants from the Kangneung region than those from the Samcheok region (P<0.05). We further divided the participants into 2 groups: those who consumed more zinc than the recommended intake (RI) and the others. We compared salty taste acuity and salty taste preference in the 2 groups. The salty taste threshold and palatable salty taste concentrations were lower for the group with a zinc intake above RI than for the group with zinc intake below the RI. However, the difference was not significant. This study confirms that taste function differs depending on zinc nutritional status. In future, it is required to a large-scale, long-term, prospective study on the correlation between zinc intake, serum zinc levels, and taste perception function and blood pressure.
This study was conducted to evaluate the nutritional status of the elderly women, who attended the Health Promotion Program of the Seogu Health Center in Daegu. The study subjects were 158 elderly women in an urban community. The general characteristics, dietary behavior (nutritional knowledge, nutritional attitudes and dietary habits), food and nutrient intake were surveyed by an individual interview. The average age of the study subjects was 70.9 $\pm$ 2.3 years of the subject group 79.1% ranged in age from 65 to 74 years and 20.9% were over 75 years. Their average score for nutritional knowledge, nutritional attitudes and dietary habits was 7.3 (total mark of 10), 7.2 (total mark of 10) and 9.1 (total mark of 22) respectively. Specifically, the level of the dietary habits of the study subjects was very low. In relation to food group intake of the study subjects according to age, their food intake was low. The total, plant. and animal food intake were 1078.9 g, 954.4 g (88.5%), and 244.4 g (11.5%), respectively. The mean daily energy intake and nutrient intake according to percentage of the Korean RDA were higher in the from 65 to 74 year group than in those people over 75 years. The average calories and the mean percentage of nutrient intake, except for vitamin C and phosphorus. were below 75% of the Korean RDA. It seems that the nutrient intake was very low. The mean nutrient adequacy ratio (MAR) was 0.59. Nutritional status of age over 75 years old was significantly lower than that of 6574 years old group (Mar = 0.60 VS 0.54, p < 0.05) The correlation coefficients between their dietary behavior (nutritional knowledge, nutritional attitudes, dietary habit) and their mean nutrient adequacy ratio (MAR) showed significant linear relations. In conclusion, if nutritional education is to affect the dietary behavior of elderly women, it should be included in a Program to Promote their nutrition and health status.
The purpose of this study was to determine the changing patterns of nausea, vomiting, anorexia and calorie intake. To examine the influence of those variables on the nutritional status of the cancer patients receiving chemotherapy. Method: To assess nutritional status, anthropometry and blood test were performed on 94 stomach cancer patients receiving postoperational chemotherapy on the daily basis. NVA and calorie intake were measured during chemotherapy. Result: 93% of subjects had low level of hemoglobin and 45.7% was below the lymphocyte count. 57% of subjects lost 10% of usual weight. The value of anthropometry was reduced but the difference between pre- and post-chemotherapy did not reach any statistical significance. 27% of subjects was grouped into the malnutritional state. During chemotherapy, the higher the degree of NVA, the less calorie intake. The significant predictors for nutritional status were nausea and calorie intake. Conclusion: The chemotherapy affected the food intake of cancer patients through NVA. Though the influence of chemotherapy on anthropopmetry was not significant in this research, nausea and food intake were the most affecting factors for nutrition of cancer patients. Therefore we need to assess nutritional status and support for cancer patients receiving chemotherapy and to develop an intervention for improvement of symptoms and food intake.
Purpose: The purpose of this study was to identify the effects of nutritional education program (NEP) on nausea and vomiting, anorexia, food intake, and nutritional status among GI cancer patients undergoing chemotherapy. Methods: A nonequivalent, non-synchronized posttest design was used. Study subjects were conveniently selected 30 patients (15 subjects for each group) who were undergoing chemotherapy. The subjects of the experimental group received NEP which consisted of 2 educations and 1 counselling while they were hospitalized, and telephone counselling with nutritional supports after discharge for four times. Results: The score of anorexia was lower and the amount of food intake was higher in the experimental group than those of the control group. However, there were no significant differences in levels of nausea and vomiting, weight, hemoglobin, albumin, and total protein level between the experimental and the control group. Conclusion: The findings demonstrate that the NEP was effective in alleviating anorexia and improving subjective food intake of GI cancer patients undergoing chemotherapy. These findings suggest that NEP can be a useful nursing intervention for preventing nutritional disorders for patients with GI cancer after chemotherapy.
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