Biology Reference
In-Depth Information
Body weight and body composition such as percent body fat and body mass index
(BMI) were determined with an InBody 3.0 Body Composition Analyzer (InBody
3.0, Biospace, Korea).
13.2.3
Dietary Taurine and Nutrient Intake Assessment
Surveys were conducted using a questionnaire and a 3-day recall method for assess-
ing dietary intake in 220 male college students residing in Incheon area. Dietary
intake was assessed by a 3-day recall method (2 weekdays and 1 weekend day).
Dietary taurine and nutrient intakes were estimated using the computer-aided nutri-
tion program (CAN-pro 3.0, The Korean Nutrition Society, Korea) inputted with a
taurine content database for 17 food groups and 321 commonly used food items.
13.2.4
Dietary Quality
The nutrient adequacy ratio (NAR) is the ratio of an individual's mean daily intake to
the age-specific recommended dietary allowance. The mean adequacy ratio (MAR)
was calculated by the sum of NAR for nutrients divided by the number of nutrients
(
n
= 9) (Madden and Yoder
1972
). NAR were truncated at 1 for calculation of the
MAR to prevent an excess intake of one nutrient from compensating for inadequate
intakes. To adjust for energy intake, we used the nutrient density (ND) method. We
divided several nutrient intakes by total energy intake (per 1,000 kcal).
13.2.5
Statistic Analysis
The Statistical Package for Social Sciences (SPSS) 17.0 program was used. The fre-
quency and percentage, and the mean and SEM for each survey question, were calcu-
lated. We used the chi-square test and Student
t
-test to compare. Differences were
considered statistically significant when the calculated p value was less than 0.05.
13.3
Results
13.3.1
General Characteristics
General characteristics of the subjects are shown in Table
13.1
. The average ages of
light drinking and heavy drinking group were 22.8 and 23.1 years, respectively.
Forty subjects of light drinking group (45.5%) and 80 subjects of heavy drinking
group (60.6%) lived with their families and 47 subjects of light drinking group
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