Yosuke Kusano1, Douglas E Crews2, Aiko Iwamoto3, Yoshiaki Sone3, Kiyoshi Aoyagi4, Takahiro Maeda4, Rachael Leahy2. 1. a Department of Community Development , Nagasaki Wesleyan University , Isahaya , Japan . 2. b Department of Anthropology , Ohio State University , Columbus , OH , USA . 3. c Department of Food and Nutrition , Osaka City University , Osaka , Japan , and. 4. d School of Medicine, Nagasaki University , Nagasaki , Japan.
Abstract
BACKGROUND: Lifelong exposure to stressors promotes physiological dysregulation and produces an allostatic load (AL). In European-derived samples, AL associates significantly with sex, age and health. AIM: To assess associations of AL with age, sex, socio-demographic differences and self-reports of diet and ability to complete activities of daily living in older Japanese residing in rural Nagasaki Prefecture. SUBJECTS AND METHODS: In 2011, 96 older residents of Nagasaki Prefecture, Japan, were assessed for components of AL. They also self-reported their age, principal life-long occupational activity, educational attainments, marital status, dietary choices and abilities to complete daily living activities. RESULTS: Average age was 67.9 years (range = 55-89; SD = 8.65). Among these 48 men and 48 women, AL was not related significantly to age, although women showed lower AL than men. AL did not differ significantly between respondents by occupation, marital status, education or abilities to complete daily activities. Women who reported eating more green/yellow vegetables or consuming more meat had lower AL than their counterparts. Men who reported drinking more alcohol spirits had higher AL. CONCLUSIONS: Among older Japanese residing outside a major urban area, AL varies significantly by sex, but not age, while being associated with dietary choices. Although lack of association with life ways was not expected, AL apparently assesses physiological dysregulation cross-culturally.
BACKGROUND: Lifelong exposure to stressors promotes physiological dysregulation and produces an allostatic load (AL). In European-derived samples, AL associates significantly with sex, age and health. AIM: To assess associations of AL with age, sex, socio-demographic differences and self-reports of diet and ability to complete activities of daily living in older Japanese residing in rural Nagasaki Prefecture. SUBJECTS AND METHODS: In 2011, 96 older residents of Nagasaki Prefecture, Japan, were assessed for components of AL. They also self-reported their age, principal life-long occupational activity, educational attainments, marital status, dietary choices and abilities to complete daily living activities. RESULTS: Average age was 67.9 years (range = 55-89; SD = 8.65). Among these 48 men and 48 women, AL was not related significantly to age, although women showed lower AL than men. AL did not differ significantly between respondents by occupation, marital status, education or abilities to complete daily activities. Women who reported eating more green/yellow vegetables or consuming more meat had lower AL than their counterparts. Men who reported drinking more alcohol spirits had higher AL. CONCLUSIONS: Among older Japanese residing outside a major urban area, AL varies significantly by sex, but not age, while being associated with dietary choices. Although lack of association with life ways was not expected, AL apparently assesses physiological dysregulation cross-culturally.
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