Judul: Faktor Gaya Hidup Dalam Hubungannya Dengan Risiko Kegemukan Orang Dewasa Di Provinsi Sulawesi Utara, Dki Jakarta, Dan Gorontalo
Abstrak: The prevalence of obesity has increased rapidly in developing countries across all population groups especially on adult. Life styles modification take important role for that. The result of Basic Health National Survey (Riskesdas) 2007 on adult in Indonesia showed that the prevalence of obesity on adult in Sulawesi Utara (33.2%), DKI Jakarta (26.9%), and Gorontalo (26.3%) was the highest in Indonesia. This study is purposing to analyse relathionships between lifestyle and obesity risk factors in Sulawesi Utara, DKI Jakarta, and Gorontalo. Design of the study is cross sectional according to Riskesdas 2007 design. Obesity clasiffication is determined by Body Mass Index (BMI) which is obesity (overweight and obese) is defined as BMI ≥25.00 and non-obesity is defined as BMI <25.00. Logistic regression analyses are carried out to determine the odds ratio of obesity across the whole characteristics. Result show that female, city area, revenue expenditure quintil 3 to 5, marriage, age ≥ 20 y can be enhance obesity risk factors on adults in three provinces. Beside that, less of physical activities as bad lifestyle can increase obesity risk factor undirectly. This implies that physical activities promotion is necessary to do at an early age for preventing obesity.
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Judul: Faktor Risiko Obesitas Sentral Pada Orang Dewasa Di Sulawesi Utara, Gorontalo Dan Dki Jakarta
Abstrak: Obesity is now considered as a major public health problem, affecting both developed and developing countries. Recently, central obesity has greater health hazards than overall obesity. The aim of this research is to analyze risk factors of central obesity among adults in North Sulawesi, Gorontalo, and Jakarta. This research used secondary data of Riskesdas 2007, Department of Health. The criterias of the study location was the province that had the three highest prevalence of central obesity. The total samples was 26 561 subjects aged 15 years. A logistic regressions was used to analyze risk factors of central obesity. Results showed that risk factors of central obesity in North Sulawesi are aged 35, women, married, divorce/widowed, high school, housewife, military/police/civil servants, private business officers, entrepreneur/private servant, urban area, and hard inactivity. Risk factors of central obesity in Gorontalo are aged 35, women, married, divorce/widowed, housewife, military/police/civil servants, entrepreneur/ private servant, expenditure 20 tile, urban area, hard inactivity, and mental disorder. Risk factors of central obesity in Jakarta are aged 35, women, married, divorce/widowed, housewife, private business officers, entrepreneur/private servant , expenditure fifth quintile , former smoker, fatty food, and mental disorder. Sweet food is the factor that reduce of central obesity in Jakarta. Women is more likely having central obesity in thirth provinces.
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Judul: Desain Sistem Transfer Energi Nirkabel Berbasiskan Tesla Coil
Abstrak: Tesla coil merupakan alat yang ditemukan oleh Nikola Tesla yang dapat mentransmisikan daya tanpa kabel dengan memanfaatkan prinsip induksi elektromagnetik. Pada penelitian ini dibuat sebuah prototype Tesla Coil dengan menggunakan transistor C1970 dan receiver menggunakan rangkaian LC. Identifikasi alat meliputi pengaruh daya input transmitter terhadap receiver, bentuk signal yang dipancarkan transmitter, pengaruh jarak transmitter dan receiver, nilai efisiensi serta efek alat terhadap perangkat lain. Hasil pengamatan menunjukkan bahwa semakin besar daya input maka semakin besar daya yang dipancarkan oleh transmitter. Bentuk sinyal yang dipancarkan oleh transmitter berupa gelombang listrik AC sinusoidal dengan frekuensi ~2.9 MHz. Semakin jauh jarak receiver terhadap transmitter maka semakin kecil amplitudo gelombang AC yang diterima oleh receiver, menyebabkan semakin kecil daya yang diterima oleh receiver. Adapun nilai efisiensi terbesar penangkapan daya oleh receiver yaitu sebesar 0.00516 % serta terdapat gangguan pada alat-alat tertentu seperti monitor komputer dan radio.
Keyword: rangkaian LC, receiver, tesla coil, transistor C1970, transmitter