Papers - TADA Yuki
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Higher energy intake at dinner decreases parasympathetic activity during nighttime sleep in menstruating women: A randomized controlled trial Reviewed
Tada Y, Yoshizaki T, Tanaka I, Kanehara R, Kato M, Hatta N, Hida A, Kawano Y
Physiol Behav 1 ( 194 ) 252 - 259 2018.10
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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Association of habitual dietary intake with morningness-eveningness and rotating shift work in Japanese female nurses Reviewed
Yoshizaki T, Komatsu T, Tada Y, Hida A, Kawano Y, Togo F
Chronobiology International 4 1 - 13 2018.01
Language：English Publishing type：Research paper (scientific journal)
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The Impact of Menstrual Cycle Phases on Cardiac Autonomic Nervous System Activity: An Observational Study Considering Lifestyle (Diet, Physical Activity, and Sleep) among Female College Students Reviewed
TADA Y, YOSHIZAKI T, TOMATA Y, YOKOYAMA Y, SUNAMI A, HIDA A and KAWANO Y
JOURNAL OF NUTRITIONAL SCIENCE AND VITAMINOLOGY 63 ( 4 ) 249 - 255 2017.08
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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大学生アスリートにおける10食品群の摂取頻度と食物摂取重量との関連 Reviewed
砂見綾香，鈴木良雄，安田純，多田由紀，日田安寿美，川野因
日本食育学会誌 11 ( 1 ) 3 - 11 2017.01
Language：Japanese Publishing type：Research paper (scientific journal)
食品群10項目から構成される定性的食物摂取頻度調査によって評価した食品の摂取頻度と24時間思い出し法から評価した食品の摂取重量との関連を検討した．その結果，いも類を除く9項目において摂取頻度と摂取量の間には有意な正の関連があることが示され，高い一致度が得られた．さらに，摂取頻度から毎日食べる者と毎日食べない者に対象者を分けると，魚介類，卵，牛乳・乳製品，大豆・大豆製品，その他の野菜において毎日食べる者の摂取量が有意に多かった．このことから，本研究で用いた定性的食物摂取頻度調査は，いも類を除く9項目の食品群において，摂取頻度から摂取量を区別できることが示された．
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小学校低学年児童における夕食の野菜摂取量と間食および外遊び状況の関連 Reviewed
多田由紀，古川千晴，三浦理緒，松永葉奈子，古庄律，後藤真司，臼井潤一，橋本雅史，日田安寿美，川野因
日本食育学会誌 11 ( 1 ) 13 - 23 2017.01
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
小学校低学年児童を対象に放課後の過ごし方と夕食における野菜摂取量の関連を検討した結果、間食の嗜好品エネルギー割合が高い者ほど夕食野菜摂取量が少なく、放課後の外遊び頻度が高い者ほど夕食の野菜摂取量が多かった。すなわち、放課後の外遊び頻度を増やし、間食の嗜好品エネルギー量を抑えることが、夕食の野菜摂取量の増加につながる可能性が示唆された。
Other Link： https://www.jstage.jst.go.jp/browse/shokuiku/-char/ja/
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Association of eating behaviours with diurnal preference and rotating shift work in Japanese female nurses: a cross-sectional study Reviewed
Takahiro Yoshizaki, Yukari Kawano, Osamu Noguchi, Junko Onishi, Reiko Teramoto, Ayaka Sunami, Yuri Yokoyama, Yuki Tada, Azumi Hida, Fumiharu Togo
BMJ Open 6 ( 11 ) 1 - 8 2016.11
Language：English Publishing type：Research paper (scientific journal)
Our study examines differences in eating behaviour between day workers and rotating shift workers, and considers whether diurnal preference could explain the differences. Japanese female nurses were studied (39 day workers and 123 rotating shift workers, aged 21–63 years) using self-administered questionnaires. The questionnaires assessed eating behaviours, diurnal preference and demographic characteristics. Eating behaviours for rotating shift workers are associated with a more unbalanced diet and abnormal temporal eating patterns and that the associations may be explained by diurnal preference rather than by rotating shift work.
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Validity of a Semi-Quantitative Food Frequency Questionnaire Reviewed
Sunami A, Sasaki K, Suzuki Y, Oguma N, Ishihara J, Nakai A, Yasuda J, Yokoyama Y, Yoshizaki T, Tada Y, Hida A, Kawano Y.
J Epidemiol 5 ( 26 ) 284 - 291 2016.06
Language：English Publishing type：Research paper (scientific journal)
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Habitual dietary protein intake affects body iron status in Japanese female college rhythmic gymnasts: a follow‑up study Reviewed
Yuki Kokubo, Kumiko Kisara, Yuri Yokoyama, Yoshiko Ohira‑Akiyama, Yuki Tada, Azumi Hida, Sakuko Ishizaki, Yukari Kawano
Springer Plus 5 862 2016.06
Language：English Publishing type：Research paper (scientific journal)
The present study aimed to examine the association between dietary protein intake and iron deficiency incidence in a 2-year follow-up study. Elite Japanese female college rhythmic gymnasts were recruited on a voluntary basis every August for 9 years. During the pre-season weight loss period, habitually higher protein intake may reduce iron deficiency incidence among elite college female rhythmic gymnasts.
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Relationship Between Dietary Factors and Bodily Iron Status Among Japanese Collegiate Elite Female Rhythmic Gymnasts Reviewed
Kokubo Y, Yokoyama Y, Kisara K, Ohira Y, Sunami A, Yoshizaki T, Tada Y, Ishizaki S, Hida A, Kawano Y.
International Journal of Sport Nutrition and Exercise Metabolism 26 105 - 113 2016.04
Language：English Publishing type：Research paper (scientific journal)
This cross-sectional study explored the prevalence of iron deficiency (ID) and associations between dietary factors and incidence of ID in female rhythmic gymnasts during preseason periods. Participants were 60 elite collegiate rhythmic gymnasts who were recruited every August over the course of 8 years. ID was noted in 48.3% of participants. Multiple logistic analysis showed that protein intake was significantly associated with the incidence of ID. Participants in the preseason’s weightloss periods showed a tendency toward insufficient nutrient intake and were at a high risk for ID, particularly because of lower protein intake.
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Incidence of upper respiratory tract infection and duration of weekly training among Japanese collegiate male and female athlete Reviewed
65 ( 1 ) 189 - 196 2016.02
Language：Japanese Publishing type：Research paper (scientific journal)
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Examining the relationship between vegetable intake of mothers and that of their children: a cross-sectional study of 10- to 12-year-old schoolchildren in Japan Reviewed
Tada Y, Tomata Y, Sunami A, Yokoyama Y, Hida A, Furusho T, Kawano Y
Public Health Nutrition 18 ( 17 ) 3166 - 3171 2015.09
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
Mothers' vegetable intake was significantly correlated with children's vegetable intake. However, this correlation was stronger in children who were conscious of eating all their vegetables. Our findings suggest that enhancing mother's vegetable intake and health consciousness of children are indispensable prerequisites for increasing vegetable intake among children.
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Association of body mass index with lifestyle and rotating shift work in Japanese female nurses Reviewed
Tada Y, Kawano Y, Maeda I, Yoshizaki T, Sunami A, Yokoyama Y, Matsumoto H, Hida A, Komatsu T, Togo F
Obesity 22 ( 12 ) 2489 - 2493 2014.09
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
This study examines the relationship between work schedule and BMI, and considers whether lifestyle habits could explain the relationship. Japanese female nurses (1179 day workers and 1579 rotating shift workers, aged 20-59) were studied using self-administered questionnaires. We found that higher consumption of sugar-sweetened beverages and shorter sleep duration were associated with rotating shift work and higher BMI. This should be taken into consideration in preventing obesity in real-life shift work situations.
DOI： 10.1002/oby.20908
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Effects of feeding schedule changes on the circadian phase of the cardiac autonomic nervous system and serum lipid levels Reviewed
Yoshizaki T, Tada Y, Hida A, Sunami A, Yokoyama Y, Yasuda J, Nakai A, Togo F, Kawano Y.
European Journal of Applied Physiology 2013 ( 113 ) 2603 - 2611 2013.10
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
PURPOSE:The purpose of this study was to investigate whether scheduling meals earlier in the day affects the circadian phase of the cardiac autonomic nervous system as assessed by heart rate variability (HRV) and serum lipid levels.
METHODS: Healthy men aged 21.4 ± 0.5 years (n = 14) with a habit of regularly skipping breakfast participated in this parallel trial involving altered feeding schedules. Participants in the early mealtime group (EM group, n = 8) were asked to eat three meals at 8:00, 13:00, and 18:00, and the control group (n = 6) ate at 13:00, 18:00, and 23:00 for 2 weeks. On the measurement day before and after intervention, fasting blood samples and 24-h electrocardiograph recordings were collected. Spectral analysis was used for approximate 10-min HRV segments. Low frequency (LF) power, high frequency (HF) power, and the ratio of HF to total power (%HF) were calculated to assess sympathovagal balance. Acrophases of the circadian rhythm of HRV variables were obtained by nonlinear least squares regression.
RESULTS: Triglyceride and total and LDL cholesterol levels were significantly decreased in the EM group when compared with the control group (p = 0.035, 0.008, and 0.004, respectively). Acrophases for HRV variables were advanced in the EM group and their difference between before and after the intervention in LF power (-3.2 ± 1.2 h) and %HF (-1.2 ± 0.5 h) reached significant level, respectively (p < 0.05).
CONCLUSIONS: Timing of meals was a key factor in regulating circadian phases of the cardiac autonomic nervous system and lipid metabolism. -
Diurnal 24-Hour Rhythm in Ambulatory Heart Rate Variability during the Day Shift in Rotating Shift Workers Reviewed
Takahiro Yoshizaki, Yukari Kawano, Yuki Tada, Azumi Hida, Toru Midorikawa, Kohe Hasegawa, Takeshi Mitani, Taiki Komatsu and Fumiharu Togo
Journal of Biological Rhythms 28 ( 3 ) 227 - 236 2013.06
Language：English Publishing type：Research paper (scientific journal)
Circadian variation in cardiac autonomic nervous system activity and behavior during the day shifts of shift workers has not hitherto been clarified. This study examined diurnal 24-h variation in heart rate variability (HRV), sleep-wake cycle, physical activity, and food intake during the day shift in rotating shift workers. The subjects were female nurses and caregivers working at a health care facility (14 day workers and 13 rotating shift workers). Each subject was asked to undergo 24-h electrocardiograph and step count recordings. Coarse graining spectral analysis was used for approximately 10-min segments of HRV (600 beats) to derive the total power (TOT: >0.04 Hz), integrated power in the low-frequency (LF: 0.04-0.15 Hz) and high-frequency (HF: >0.15 Hz) ranges, the ratio of HF power to TOT (HF nu), and the ratio of LF power to HF power (LF/HF). Double cosinor analysis was used to obtain 24-h and 12-h period variations in variables of HRV and physical activity. While no difference was found in the acrophases of either period for step counts or in the 12-h period of HRV variables between the groups, the acrophases of the 24-h period for HRV variables were delayed by 1.3 to 5.5 h in rotating shift workers, and their differences in HF power, HF nu, and LF/HF reached a significant level (p < 0.05). On the days of the experiment, retiring time, waking up time, total time in bed, sleep efficiency, and mealtimes and energy intake for each diet did not differ between the groups. These results suggest that there is a possibility of an abnormal phase angle between circadian variation in cardiac autonomic nervous system activity and the sleep-wake cycle during the day shift in shift workers.
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Influence of dietary behavior on the circadian rhythm of the autonomic nervous system as assessed by heart rate variability Reviewed
Yoshizaki T, Tada Y, Hida A, Sunami A, Yokoyama Y, Togo F, Kawano Y
Physiol Behav 14 ( 118 ) 122 - 128 2013.05
Language：English Publishing type：Research paper (scientific journal)
We examined whether late meals resulted in the phase delay of the autonomic system. The autonomic nervous system was assessed by heart rate variability (HRV).
We evaluated the phase of the circadian rhythm of HRV by double cosinor analysis. The acrophase of HRV was delayed for Late mealtimes compared to Baseline. Mealtimes might serve as a time cue for entraining the circadian phase.DOI： 10.1016/j.physbeh.2013.05.010
Other Link： http://www.sciencedirect.com/science/article/pii/S0031938413001510
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オフ期の栄養教育が減量期の女子新体操選手の食事改善に及ぼす影響 Reviewed
横山友里,山田美恵子,木皿久美子,橋爪みすず,小久保友貴,日田安寿美,多田由紀,吉崎貴大,砂見綾香,石崎朔子,川野因
栄養学雑誌 71 ( 1 ) 29 - 36 2013.03
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
大学女子新体操選手を対象にオフ期に実施する栄養教育が減量期のたんぱく質摂取量の低下を防ぎ，貧血発現が予防できる可能性を検討した。その結果、オフ期の栄養教育はたんぱく質摂取量の低下を抑制するものの，Htを除く貧血指標には影響を及ぼさないことが示唆された。
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Hemoglobin Levels Correlated with Body Mass Index and Physical Activity Level in High School Students Reviewed
7 ( 1 ) 33 - 40 2013.01
Language：Japanese Publishing type：Research paper (scientific journal)
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Relationship between eating time and leftover rate in elementary school lunches Reviewed
Tomomi Kiguchi, Yuka Ishihara, Yuki Tada, Tadasu Furushou, Shin Naitou, Azumi Hida, Yukari Kawano
Journal of the Japan Dietetic Association 55 ( 5 ) 35 - 42 2012.05
Authorship：Corresponding author Language：Japanese Publishing type：Research paper (scientific journal)
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Correlation between dietary intake and weight gain among female rotating shift workers at long-term health care facilities Reviewed
Japanese Journal of Cardiovascular Disease Prevention 47 ( 1 ) 1 - 12 2012.01
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
Other Link： http://www.jacd.info/library.htm
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Relationship between skipping meals and number of servings based on the Japanese food guide Spinning Top in female college students Reviewed
54 ( 3 ) 2011.03
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)