We propose to conduct a survey with a probability sample of Japanese adults (N = 1,000, divided equally by gender) aged 30 to 70 from the Tokyo metropolitan area. Data will be collected on sociodemographic characteristics (age, gender, marital status, educational status, income), psychosocial characteristics (e.g., independence/interdependence, personality traits, sense of control, goal orientations, social support, family obligation, social responsibility), mental health (depression, anxiety, well-being, life satisfaction), and physical health (chronic conditions, health symptoms, functional limitations, health behaviors). These measures parallel those in a national longitudinal sample of midlife Americans known as MIDUS. The central objective is to compare the Japanese sample (MIDJA) with the U.S. sample (MIDUS) to test the hypothesis that the construct of interdependence predicts well-being and health in Japan, whereas the construct of independence predicts well-being and health in the U.S. We also predict age differences in health and well-being, some suggesting cultural similarities (e.g., declining purpose in life with age) and others indicating cultural differences (e.g., more age increments on other aspects of well-being in Japan compared to the U.S.). We also propose to collect biomarkers on approximately half of the Japanese survey sample (n = 500). We will include assessments of neuroendocrine regulation, immune function, and cardiovascular risk. These will parallel biological assessments in Project 4 of the ongoing MIDUS II P01. Thus, in both cultures we will examine linkages between psychosocial factors and biology to test the hypothesis that the construct of interdependence is more strongly linked with biological risk in Japan, whereas the construct of independence is more strongly linked with biological risk in the U.S. A final integrative goal is to combine sociodemographic, psychosocial, and reported health assessments to identify (via recursive partitioning) culture-specific pathways to high or low allostatic load (a multi-system indicator of biological risk). Since our prior submission, we have added extensive findings to Preliminary Studies that demonstrate (with pilot data) support for our guiding hypotheses and also document the feasibility of our proposed biological data collection.

Agency
National Institute of Health (NIH)
Institute
National Institute on Aging (NIA)
Type
Method to Extend Research in Time (MERIT) Award (R37)
Project #
5R37AG027343-04
Application #
7794993
Study Section
Social Psychology, Personality and Interpersonal Processes Study Section (SPIP)
Program Officer
Haaga, John G
Project Start
2007-04-01
Project End
2012-01-31
Budget Start
2010-03-15
Budget End
2011-01-31
Support Year
4
Fiscal Year
2010
Total Cost
$586,521
Indirect Cost
Name
University of Wisconsin Madison
Department
Other Health Professions
Type
Schools of Medicine
DUNS #
161202122
City
Madison
State
WI
Country
United States
Zip Code
53715
Yoo, Jiah; Miyamoto, Yuri; Ryff, Carol D (2016) Positive affect, social connectedness, and healthy biomarkers in Japan and the U.S. Emotion 16:1137-1146
Levine, Cynthia S; Miyamoto, Yuri; Markus, Hazel Rose et al. (2016) Culture and Healthy Eating: The Role of Independence and Interdependence in the United States and Japan. Pers Soc Psychol Bull 42:1335-48
Whisman, Mark A; Judd, Charles M (2016) A cross-national analysis of measurement invariance of the Satisfaction With Life Scale. Psychol Assess 28:239-44
Gnambs, Timo; Stiglbauer, Barbara; Selenko, Eva (2015) Psychological effects of (non)employment: A cross-national comparison of the United States and Japan. Scand J Psychol 56:659-69
Andersson, Matthew A (2015) How do we assign ourselves social status? A cross-cultural test of the cognitive averaging principle. Soc Sci Res 52:317-29
Kitayama, Shinobu; Park, Jiyoung; Boylan, Jennifer Morozink et al. (2015) Expression of anger and ill health in two cultures: an examination of inflammation and cardiovascular risk. Psychol Sci 26:211-20
Costello-White, Reagan; Ryff, Carol D; Coe, Christopher L (2015) Aging and low-grade inflammation reduce renal function in middle-aged and older adults in Japan and the USA. Age (Dordr) 37:9808
Ryff, Carol D; Miyamoto, Yuri; Boylan, Jennifer Morozink et al. (2015) Culture, inequality, and health: evidence from the MIDUS and MIDJA comparison. Cult Brain 3:1-20
Sutin, Angelina R; Stephan, Yannick; Wang, Lei et al. (2015) Personality Traits and Body Mass Index in Asian Populations. J Res Pers 58:137-142
Kan, Chiemi; Kawakami, Norito; Karasawa, Mayumi et al. (2014) Psychological resources as mediators of the association between social class and health: comparative findings from Japan and the USA. Int J Behav Med 21:53-65

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