The Effect of Blue-Blocking Intraocular Lenses on Circadian Biological Rhythm: A Protocol for Randomised Controlled Trial (CLOCK-IOL Color Study)
Nishi T, Saeki K, Obayashi K, Miyata K, Tsujinaka H, Yamashita M, Masuda N, Mizusawa Y, Okamoto M, Hasegawa T, Maruoka S, Ueda T, Matsuura T, Tone N, Kurumatani N, Ogata N
BMJ Open, 5(5) e007930, May, 2015

Quantitative Association between Nocturnal Void Frequency and Objective Sleep Quality in the General Elderly Population: The HEIJO-KYO Cohort
Obayashi K*, Saeki K, Kurumatani N
Sleep Med, 16(5) 577-582, May, 2015

Independent associations between nocturia and nighttime blood pressure/dipping in elderly individuals: the HEIJO-KYO cohort
Obayashi K*, Saeki K, Kurumatani N
J Am Geriatr Soc, 63(4) 733-738, Apr, 2015

Light exposure at night is associated with subclinical carotid atherosclerosis in the general elderly population: the HEIJO-KYO cohort
Obayashi K*, Saeki K, Kurumatani N
Chronobiol Int, 32(3) 310-317, Mar, 2015

Higher melatonin secretion is associated with lower leukocyte and platelet counts in the general elderly population: the HEIJO-KYO cohort
Obayashi K*, Saeki K, Kurumatani N
J Pineal Res, 58(2) 227-233, Feb, 2015

寒冷地「信州」での健康長寿と省エネ住宅について
大林賢史
健康長寿と省エネ住宅シンポジウム 2015年1月

A Cross-Sectional Association between Higher Salt Intake and Lower Ambient Temperature from HEIJO-KYO Study.
Annual Scientific Meeting of the Japan Epidemiological Association 2015
Saeki K , Obayashi K , Tone N , Kurumatani N

Lower melatonin secretion in older female: gender differences independent of light exposure profiles
Obayashi K*, Saeki, K, Tone N, Iwamoto J, Miyata K, Ikada Y, Kurumatani N
J Epidemiol, 25(1) 38-43, Jan, 2015

Reliability and validity of the Japanese version of the KIDSCREEN-52 health-related quality of life questionnaire for children/adolescents and parents/proxies
Nezu S, Iwasaka H, Saeki K, Ishizuka R, Goma H, Okamoto N, Makino H, Tanimura M, Yoshizaki K, Obayashi K, Kurumatani N
Environ Health Prev Med, 20(1) 44-52, Jan, 2015

Melatonin Secretion is Associated with Lower Leukocyte and Platelet Counts in Elderly Individuals: The HEIJO-KYO Cohort
Annual Scientific Meeting of the Japan Epidemiological Association 2015
Obayashi K , Saeki K , Tone N , Iwamoto J , Kurumatani N