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일 도시 여자 고등학생에서 월경전기증후군 및 월경전불쾌장애와 우울, 수면의 질, 수면형태의 연관성
이지연,김석만,강석훈,정혜경,최진희,소형석,김태용,백기청,Lee, JiYeon,Kim, Seok Man,Kang, Suk-Hoon,Chung, HaeGyung,Choi, JinHee,So, HyungSeok,Kim, Tae Yong,Paik, Ki-Chung 대한불안의학회 2016 대한불안의학회지 Vol.12 No.2
Objective : Premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) is known to reduce the quality of sleep and is associated with various psychiatric disorders. The aim of this study was to investigate the relationship of PMS with depression, sleep qulity and sleep pattern in Korean female adolescents. Methods : Out of 867 high school female students, 400 female subjects were included in this study. All participants completed self-report questionnaires that included demographic variables, shortened premenstrual assessment form (SPAF), patient health questionnaire-9 (PHQ-9), Pittsburgh sleep quality index (PSQI), Epworth sleepiness scale (ESS), insomnia severity index (ISI) and Korean translation of composite scale (CS). A total of 394 individuals who completed the questionnaires were analyzed. Results : As score of SPAF, 143 subjects was defined PMDD group. They had more prevalence of eveningness, more depressive symptom, poorer sleep quality, and more excessive sleepiness than non-PMDD groups. Although the PMDD groups showed more menstrual dysmenorrhea, no difference was found in bleeding duration and cycle. PMS symptom had correlations with depression, poorer sleep quality and excessive sleepiness during the daytime. There was no difference in sleep duration between two groups, but PMS might have a relationship with eveningness of chronotype. Conclusions : Among Korean female high school students, the PMS might have an association with depression and poor sleep quality, and it might lead to daytime impairment due to excessive sleepiness. An appropriate evaluation of PMS could be helpful in determining the mental health condition of adolescents.
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생육기간이 짧고 수당립수가 많은 자포니카 조생 사료용 벼 ‘조농’
박현수(Hyun-Su Park),백만기(Man-Kee Baek),김우재(Woo-Jae Kim),김정주(Jeong-Ju Kim),정종민(Jong-Min Jeong),조영찬(Young-Chan Cho),고종철(Jong-Cheol Ko),정지웅(Ji-Ung Jeung),정오영(O-Young Jeong),이창민(Chang-Min Lee),김석만(Suk-Man Ki 한국육종학회 2021 한국육종학회지 Vol.53 No.3
‘Jonong’ is an early maturing whole crop silage (WCS) japonica rice cultivar characterized by a short growth duration and numerousspikelets. It was developed to enhance the adaptability of WCS rice to double-cropping systems. ‘Jonong’ is derived from a cross between‘Binhae Col.#1’ and ‘Deuraechan’; ‘Binhae Col.#1’ is a semi-early maturing China rice germplasm with numerous spikelets on dense panicles,whereas ‘Deuraechan’ is a high-yielding japonica rice cultivar with numerous spikelets on long panicles. To diversify the genetic variationand shorten the breeding period, an anther culture method was applied to the F₁ plants. ‘Jonong’ was selected through the pedigree method,yield trials, and local adaptability tests, with a high selection pressure for short growth duration and high biomass. The average heading dateof ‘Jonong’ was August 1st, which is 11 days earlier than that of ‘Nokyang’, the standard cultivar for WCS rice. Moreover, the growth durationof ‘Jonong’ is the shortest among all Korean WCS rice cultivars. The culm length of ‘Jonong’ is 88 cm, which 4 cm longer than that of‘Nokyang’ and the highest among all Korean early maturing rice cultivars. ‘Jonong’ has 149 spikelets per panicle, which is 30 more thanthat of ‘Nokyang’, and is the highest among all Korean early maturing rice cultivars. ‘Jonong’ exhibits stable premature heading and is tolerantto lodging. It is moderately resistant to leaf blast and resistant to the rice stripe virus. The feed value of ‘Jonong’ in terms of total digestiblenutrients is good and comparable to that of ‘Nokyang’. Furthermore, compared with ‘Nokyang’, ‘Jonong’ shows a similar level of dry matteryield and a higher rough rice yield. Therefore, ‘Jonong’, an early maturing WCS japonica rice with short growth duration and numerousspikelets, would be suitable for cultivating in winter forage crop-rice double cropping systems (Registration No. 7274).
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