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Total beverage consumption and beverage choices among children and adolescents.

Patterns of beverage consumption among children and adolescents are related to age, race, and gender. The relationship between body mass index (BMI) and beverage consumption is unclear. In this paper, the total amount and the types of beverages consumed were analyzed according to age, race, and gender. Multivariate regression models were estimated for consumption of milk, juices, fruit drinks/ades, and carbonated soft drinks. Descriptive and multivariate regression analysis of children aged 6-19 from the US Department of Agriculture's Continuing Survey of Food Intake by Individuals 1994-96, 98 was performed. It was found that age, race, and gender play a significant role in the total amount, types, and relative proportions of beverages consumed by children and adolescents. Individuals in the first decile drink approximately 212.9 g beverages per day, whereas individuals in the tenth decile drink 2036.2 g. Boys drink more of most beverages than girls do. Older teens tend to drink more carbonated beverages, fruit drinks/ades, and citrus juice, but less fluid milk and non-citrus juice. White adolescent boys are heavy consumers of most beverages, including carbonated soft drinks, milk, and fruit drinks/ades. BMI is positively associated with consumption of diet carbonated beverages and negatively associated with consumption of citrus juice. BMI was not associated with consumption of milk, regular carbonated beverages, regular or diet fruit drinks/ades, or non-citrus juices. In conclusion, total beverage consumption and beverage choices are strongly related to age, race, and gender. BMI was only related to consumption of diet carbonated beverages and milk, and those relationships were weak.

Adolescent↗

Relative validation of a beverage frequency questionnaire in children ages 6 months through 5 years using 3-day food and beverage diaries.

OBJECTIVE: To determine the relative validity of a quantitative beverage frequency questionnaire in assessing beverage, calcium, and vitamin D intakes using 3-day food diaries for reference. DESIGN: Parents were asked to complete questionnaires for the preceding week and diaries for the following week for their children. Calcium and vitamin D intakes were estimated from human milk, infant formulas, and cow's milk ("beverages") for questionnaires and diaries and from "all foods and beverages" for diaries. Data collected at 6 and 12 months and 3 and 5 years of age as part of the Iowa Fluoride Study (N=700) were analyzed cross-sectionally. SUBJECTS: Children (N=240); 60 randomly selected from each quartile of energy intake at 6 months of age. STATISTICAL ANALYSES: Spearman correlation coefficients, weighted kappa statistics, and percentages of exact agreement were used to assess associations between tools. RESULTS: Correlations between mean daily beverage intakes estimated from questionnaires and diaries ranged from 0.95-0.99 for human milk, 0.84-0.85 for infant formula, 0.63-0.86 for cow's milk, 0.54-0.69 for juice/drinks, 0.26-0.59 for liquid soft drinks, 0.35-0.74 for powdered soft drinks and 0.54-0.70 for water. Correlations between mean daily nutrient intakes estimated from questionnaires and diaries "beverages" ranged from 0.64-0.74 for calcium and 0.60-0.80 for vitamin D; and between questionnaires and diaries "all foods and beverages" ranged from 0.41-0.63 for calcium and 0.43-0.80 for vitamin D. APPLICATIONS: A quantitative beverage frequency questionnaire can provide a relative estimate of beverage, calcium, and vitamin D intakes.

Animals↗

Beverage preference, beverage type and subject gender as determinants of alcohol consumption in the laboratory.

Effects of beverage preference, beverage type and subject gender on ad libitum consumption of alcoholic beverages in the laboratory were evaluated. Undergraduate social drinkers (18 male, 18 female), with equal numbers of each gender stating a preference for beer, wine or mixed drinks, were selected. Subjects participated in three separate 30-minute ad lib drinking sessions and were presented with one of the three types of alcoholic beverage at each session. Data on total volume of beverage and of absolute ethanol consumed as well as blood alcohol concentration (BAC) attained were collected in each session. Subjects preferring wine or mixed drinks drank more alcohol and reached higher BACs when imbibing their beverage of choice than when drinking non-preferred beverages. Subjects preferring beer, however, showed no differences on these drinking measures as a function of beverage type. Men's reports of routine alcohol use had a high positive correlation with actual alcohol consumption observed in the laboratory, whereas for female subjects the correlation was near zero. Implications for interpretation of past ad lib drinking studies and the planning of future ones are discussed.

Adolescent↗

Identification of beverages and beverage stains by GC/MS using aroma components as indicators.

A method to identify brown coloured beverages or beverage stains for criminological purposes was devised using aroma components as indicators. The examined beverages comprised three brands each of beer, coffee, cola and black tea, two brands of oolong tea, and four brands of green tea. Aroma components in each sample were efficiently concentrated with a porous polymer beads column (Porapak Q) and were analyzed by gas chromatography/mass spectrometry (GC/MS) using n-octyl alcohol as the internal standard. Specific aroma components were found in each beverage and beverage stain, for example cis-terpin hydrate in cola, and thus identification of beverages or beverage stains became feasible through the detection of these specific components. The present method was applied efficiently to two practical criminological cases.

Beer↗

Reduction of fecal contamination of street-vended beverages in Guatemala by a simple system for water purification and storage, handwashing, and beverage storage.

Street-vended foods and beverages, an integral part of urban economies in the developing world, have been implicated in cholera transmission in Latin America. To improve the microbiologic quality of market-vended beverages in Guatemala, we tested a simple system consisting of dilute bleach (4.95% free available chlorine) for water purification, narrow-mouth plastic vessels with spigots for disinfecting and storing water and for preparing and storing beverages, handwashing soap, and education in using the system. We conducted a randomized controlled intervention trial among 41 vendors who received the intervention and 42 control vendors, comparing total and fecal coliform bacteria and Escherichia coli contamination of market-vended beverages, stored water, and vendors' hands. Samples were obtained at baseline and at each of six weekly follow-up visits. At baseline, fecal coliform bacteria were found in 40 (48%) market-vended beverages and E. coli in 14 (17%). When compared with samples from control vendors, a significant decrease in total coliform (P < 0.001) and fecal coliform (P < 0.001) bacteria in samples of stored water and beverages sold by intervention vendors was observed over the course of the study. The vessel system was well accepted by vendors. This simple inexpensive system consisting of hypochlorite disinfectant, plastic vessels, soap, and education can significantly reduce fecal contamination of market-vended beverages.

Adolescent↗

Assessing alcohol consumption: beverage-specific versus grouped-beverage questions.

OBJECTIVE: The quantity-frequency method is commonly used to measure alcohol intake in large surveys. Because of time and space constraints, questionnaires are often shortened by combining questions on all types of alcohol into a single question. We investigated the effect of this practice using data from the Behavioral Risk Factor Surveillance System. METHOD: We examined data collected from 213,842 respondents to surveys conducted by 32 states and the District of Columbia participating in the years 1987, 1988, 1989 and 1990. The 1987 and 1988 surveys asked questions about respondents' frequency and level of intake of specific alcohol-containing beverages. The 1989 and 1990 surveys asked about the frequency and quantity of intake of alcohol-containing beverages by combining all beverages into a single group. RESULTS: Among drinkers, the mean number of drinks per month was higher for those who were asked beverage-specific questions than for those who were asked grouped-beverage questions (men: 37.0 vs 29.6; women: 17.0 vs 13.9). CONCLUSION: Caution must be used in comparing level of alcohol intake from surveys in which beverages are not grouped identically.

Adult↗

Reverse phase liquid chromatographic determination of aspartame in beverages and beverage mixes.

A method is described for determining the artificial sweetener aspartame in beverages and beverage mixes by liquid chromatography. Aspartame is separated on a microC18 column, using a mobile phase of acetic acid, water, and isopropyl alcohol at pH 3.0 and UV detection at 254 nm. Beverages are filtered through 0.45 micron filters and injected directly into the chromatograph. Aspartame is eluted in approximately 7 min. Detection of aspartame is confirmed by a UV scan of the trapped peak. Aspartame is quantitated in the presence of other beverage additives such as saccharin, caffeine, sodium benzoate, artificial colors, and artificial flavors. Results are presented for spiked soda beverages, beverages from fruit-flavored mixes, instant tea, reconstituted presweetened drink mixes, and a powdered tabletop sweetener.

Aspartame↗

The effect of hot beverages, cold beverages, and chewing gum on oral temperature.

BACKGROUND: A prospective blood donor's oral temperature is affected by external stimuli such as drinking a hot or cold beverage or chewing gum. These stimuli can cause a deferral or an inappropriate acceptance for a certain unknown time. STUDY DESIGN AND METHODS: Ten volunteer subjects were exposed to each of the three stimuli in separate studies. Oral and tympanic membrane temperatures were taken before exposure, immediately after exposure, and at various times until the subject's temperature returned to baseline. RESULTS: The drinking of a hot beverage caused an immediate mean temperature elevation of 2.6 degrees F which would lead to deferral for 7 of 10 subjects. All subjects were acceptable for blood donation (temperature <99.6 degrees F) by 5 minutes. A cold beverage lowered the temperature; the temperature in 6 subjects returned to baseline by 10 minutes and that in 4 did so by 30 minutes. Gum chewing caused minimal temperature elevations; only 1 donor's temperature reached 99.6 degrees F, and it was at acceptable levels for blood donation by 5 minutes. CONCLUSION: Drinking a hot beverage and, to a much lesser degree, gum chewing can lead to a deferral for elevated temperature, but subjects were acceptable by 5 minutes. Cold beverages are of more concern, because they suppress the temperature for a short time and could theoretically lead to acceptance of a febrile, possibly infectious donor.

Beverages↗

Alcohol consumption regression models for distinguishing between beverage type effects and beverage preference effects.

In relating health outcomes to alcohol consumption, several investigators have evaluated differences among beverage types, but there is no consistency with respect to models used for this purpose. Furthermore, beverage type effects and beverage preference effects have not been evaluated simultaneously. In this report, the authors propose regression models which permit the simultaneous evaluation of beverage type (congener dose response) effects and beverage preference (sociobehavioral) effects. The presence of sociobehavioral effects can be established even if the variables responsible for them have not been measured or identified. The models are applied to a data set from 589 women who participated in an oral contraceptive study at the Johns Hopkins University (Baltimore, Maryland) in 1988-1989.

Adolescent↗

Generation of hydrogen peroxide by "antioxidant" beverages and the effect of milk addition. Is cocoa the best beverage?

The ability of several beverages to generate hydrogen peroxide was demonstrated by direct measurement using the ferrous ion oxidation-xylenol orange (FOX) assay. Tea and coffee could generate H2O2 to achieve levels over 100 microM, but cocoa did not. Milk decreased net H2O2 production by beverages and showed some ability to remove H2O2 itself, apparently not because of catalase activity. Hence several of the beverages commonly drunk by humans show a complex mixture of anti- and pro-oxidant abilities.

Animals↗

Drinking restraint and alcohol-related outcomes: exploring the contributions of beverage instructions, beverage content and self-monitoring.

OBJECTIVE: We examined the role of drinking restraint (temptation and restriction), beverage instructions and content and self- monitoring in alcohol-related outcomes (consumption, subjective intoxication and blood alcohol concentration [BAC]) in a sample of moderate-to heavy-drinking young men. METHOD: Male social drinkers (N = 132) participated in an individualized taste-rating task (TRT), an unobtrusive method for determining ad libitum alcohol consumption. Beverages were presented using the format of the balanced placebo design (BPD), in which subjects' expectation of an alcoholic versus a non- alcoholic beer was crossed with their receipt of an alcoholic versus a nonalcoholic beer. During a single 30-minute drinking occasion, each subject sampled two beers and rated their taste characteristics on a computer. RESULTS: Consumption during the TRT, ratings of subjective intoxication and postdrinking BAC, served as criterion variables in regressions in which BPD beverage condition, the two aspects of drinking restraint, self-monitoring, and their interactions, served as the predictors. The results indicated that TRT consumption was mainly a function of the temptation to drink (an aspect of restraint). As expected, assignment to the conditions of the BPD predicted subjective intoxication and BAC. Self-monitoring did not have an impact on any of the alcohol- related outcomes. CONCLUSIONS: The results for TRT consumption suggest that drinking restraint, particularly the temptation to drink (i.e., view the regulation of intake as difficult and/or drink to repair negative affective states), enhances the consumption of social drinkers during a single drinking occasion. Consistent with previous research, the conditions of the BPD predicted some alcohol-related outcomes.

Adult↗

Nonlinear modeling of alcohol consumption for analysis of beverage type effects and beverage preference effects.

In a previous report (Kimball and Friedman, Am J Epidemiol, 1992;135:1279-86), linear models for relating health outcomes to alcohol consumption were proposed for differentiating between beverage type effects and beverage preference effects. The models were applied to data relating serum high density lipoprotein cholesterol to alcohol consumption. In this report, those models are extended to the nonlinear case and are applied to data from the 1982 Maryland Hypertension Survey relating systolic blood pressure to alcohol consumption.

Adolescent↗

National survey beverage consumption data for children and adolescents indicate the need to encourage a shift toward more nutritive beverages.

The American Academy of Pediatrics (AAP) recently issued recommendations for 100% fruit juice consumption for children and adolescents. National survey data (1994-1996, 1998 Continuing Survey of Food Intakes by Individuals) were used to evaluate intake of 100% fruit juice for comparison with AAP recommendations. Mean daily intakes of 100% fruit juice were 0.9, 4.6, and 3.4 ounces in children aged <6 months, 6 months-6 years, and 7-18 years, respectively, which fall within AAP recommendations for these age groups. At age 5, mean intake of fruit drinks and ades exceeded that of 100% fruit juice (P=.009). Carbonated soft drink intake exceeded that of 100% fruit juice at age 5 and of milk at age 13 (P<.04). By age 13, adolescents drank more carbonated soft drinks than 100% fruit juice, milk, or fruit drinks and ades. Increased consumption of nutrient-dense beverages (100% fruit juice, milk) and water as part of a varied diet should be encouraged.

Adolescent↗