scholarly journals Erratum to: Milk fortified with vitamin D could reduce the prevalence of vitamin D deficiency among Japanese female college students

2015 ◽  
Vol 10 (1) ◽  
Author(s):  
Yoshio Suzuki ◽  
Asako Maruyama-Nagao ◽  
Keishoku Sakuraba ◽  
Sachio Kawai
Keyword(s):  
College Students ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Female College Students ◽  
Female College ◽  
Japanese Female

Vitamin D Insufficiency in Japanese Female College Students: a Preliminary Report

2001 ◽  
Vol 71 (5) ◽  
pp. 302-305 ◽  
Author(s):  
Kazutoshi Nakamura ◽  
Mitsue Nashimoto ◽  
Yasuo Tsuchiya ◽  
Atsuko Obata ◽  
Kunio Miyanishi ◽  
...  
Keyword(s):  
College Students ◽  
Vitamin D ◽  
Bone Strength ◽  
Young Women ◽  
Linear Regression Analysis ◽  
Vitamin D Insufficiency ◽  
Bone Architecture ◽  
Female College Students ◽  
Female College ◽  
Japanese Female

Vitamin D insufficiency, a risk factor for osteoporosis, has been well investigated in elderly women worldwide, but little information has been available for younger women. This study aimed to determine serum 25-hydroxyvitamin D [25(OH)D] levels in Japanese female college students, and to test whether there is an association between 25(OH)D and bone strength. Subjects were 77 Japanese female junior college students aged 19–24 years. Serum 25(OH)D was measured with high performance liquid chromatography. Bone strength of the calcaneus was evaluated using the osteo sono-assessment index (OSI), a combined index reflecting the bone mass, bone architecture, and elasticity, as measured by quantitative ultrasound densitometry (AOS-100, Aloka). The mean 25(OH)D concentration was 34.2 nmol/L (SD ± 12.1). The proportion of subjects with 25(OH)D less than 30 nmol/L, a cut-off value for vitamin D insufficiency, was 31/77 (40.3%). Simple linear regression analysis showed that there was a significant linear relationship between 25(OH)D and OSI (R2 = 0.098, p = 0.0069). The association held even after adjusting for weight (partial R2 = 0.098, p = 0.0023). Body weight was also a significant predictor of OSI (partial R2 = 0.105, p = 0.0034). These results suggest that vitamin D insufficiency may be prevalent in healthy young women. Moreover, low levels of 25(OH)D in young women may adversely affect bone strength. An additional, newly designed epidemiological study with a sufficient sample size is needed to confirm the present findings.

Optimism, Social Support, Stress, and Physical and Psychological Well-Being in Japanese Women

1997 ◽  
Vol 81 (1) ◽  
pp. 299-306 ◽  
Author(s):  
Katsunori Sumi
Keyword(s):  
Social Support ◽  
College Students ◽  
Well Being ◽  
Japanese Women ◽  
Female College Students ◽  
Psychological Well Being ◽  
Female College ◽  
Japanese Female ◽  
The Relationship

The present study examined the relationship between self-reported scores on optimism, social support, and stress and on physical and psychological well-being in 176 Japanese female college students. The significant interactions found among scores on optimism, social support, and stress suggest that individuals who reported higher optimism and social support also rated themselves higher with respect to physical and psychological well-being, regardless of their reported stress.

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