Judul: Consumption of isoflavone foods and other factors to premenstrual syndrome (PMS) in High School Students in Bogor
Abstrak: This study was aim to analyze the consumption of isoflavone foods and other factors to Premenstrual Syndrome (PMS) in high school girl students in Bogor. The specific objectives of this research were: (1) identified the prevalence of PMS; (2) identified the socio-economic condition; (3) analyzed the physical activity level; isoflavone and PMS knowledge, nutritional status, consumption of isoflavone foods; nutritional adequacy level (Ca, vitamin B6, vitamin A, and vitamin C) and stress level, (4) analyzed correlation of socio-economic condition with the consumption of isoflavone foods; (5) analyzed correlations of physical activity level, isoflavone and PMS knowledge, nutritional status, consumption of isoflavone foods, nutritional adequacy level (Ca, vitamin B6, vitamin A, and vitamin C) , and stres level to PMS; (6) analyzed the risk factors of PMS Design of this study was a cross sectional study. The selection of places and respondents were purposively on girl students in two high schools. Respondents were 15-16 years old, had experienced menstruation, can be measured for weight and height, as well as willing and able to be interviewed. The data collected consisted of primary data and secondary data. Primary data include individual and socio-economic characteristics,physical activity level, isoflavone and PMS knowledge, nutritional status, consumption of isoflavone foods, nutritional adequacy level of Ca, vitamin B6, vitamin A, and vitamin C, stress level, and PMS. The secondary data were taken about profile of the school and the student names. Data were analyzed using the SPSS for windows (version 16.0). The correlation between variables were analyzed with Spearmans and risk factors of PMS were examined with logistic regression. The study showed that the majority of respondents had PMS where most of the complaints were severe. Most respondents had light activity (84.0%) with the average of activity level is 1.47. Most of respondents had isoflavone and PMS knowledge in moderate category and almost all respondents had nutritional status in normal category. Isoflavone foods consumed most often by respondents were tofu and tempeh with an average intake of isoflavones from various types of food consumed was 19.16 ± 5.7 mg/day, but the majority still had isoflavone adequacy level below average. It is also known that Ca, vitamin B6, vitamin A, and vitamin C intake were also low and the majority had adequate level below the averages of all respondents. In this study, majority of respondents had stress leel in moderate category. Spearman correlation test showed that stress level was positively associated with PMS but that stress level did not seem to be a risk factor of PMS
Keyword: adolescent girls, isoflavone, nutrient, premenstrual syndrome

Judul: Hubungan Asupan Gizi dengan Sindrom Pramenstruasi pada Remaja Putri di SMA Bina Insani Bogor
Abstrak: Premenstrual syndrome (PMS) is a disorder characterized by symptoms that are manifested during the late luteal phase of the menstrual cycle and end shortly after the onset of menstruation. This research aimed to know assotiation between food intakes and premenstrual syndrome of adolescent school girls at Bina Insani Senior High School Bogor . This study design was cross-sectional study. Sampling method was purposive sampling. The number of samples that used was 59 adolescent school girls at 1st and 2nd grade. The result was there was no related between food habits with premenstrual syndrome and there was a relation between intake of calcium and vitamin B on premenstrual syndrome (p<0.05). High intake of calcium and vitamin B, it might reduce premenstrual syndrome.
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Judul: Closed Knight’s Tour pada Papan Catur Berbentuk Persegi Panjang dengan Ukuran Maksimal 8 × 8
Abstrak: Closed Knight’s Tour merupakan langkah kuda yang mengunjungi setiap kotak pada papan catur tepat satu kali dengan langkah kuda berawal dan berakhir pada kotak yang sama. Graf yang terbentuk dari closed knight’s tour dinotasikan sebagai graf G(m,n), dengan m adalah banyaknya baris dan n adalah banyaknya kolom. Graf tersebut memuat Hamiltonian cycle. Sebuah graf terhubung G adalah graf bipartite jika dan hanya jika graf tersebut tidak memiliki cycle dengan panjang ganjil. Papan catur yang memenuhi syarat cukup untuk memiliki closed knight’s tour adalah papan catur berukuran 5 × 6, 5 × 8, 6 × 6, 6 × 7, 6 × 8, 7 × 8, dan 8 × 8.
Keyword: bipartite, closed knight’s tour, hamiltonian cycle, knight’s tour, teori graf