Dietary sodium-to-potassium ratio as a risk factor for stroke, cardiovascular disease and all-cause mortality in Japan: the NIPPON DATA80 cohort study

Akira Okayama, Nagako Okuda, Katsuyuki Miura, Tomonori Okamura, Takehito Hayakawa, Hiroshi Akasaka, Hirofumi Ohnishi, Shigeyuki Saitoh, Yusuke Arai, Yutaka Kiyohara, Naoyuki Takashima, Katsushi Yoshita, Akira Fujiyoshi, Maryam Zaid, Takayoshi Ohkubo, Hirotsugu Ueshima

Open source

DOI: 10.1136/bmjopen-2016-011632
Published: 2016-07
Container: BMJ Open
Publisher: BMJ
Open access: unknown

Credibility signals

uncertain Score 64/100 under policy 1.0.0. This is a metadata assessment, not a judgment of the paper's conclusions.

Show all credibility signals

supportingDOI registered: A matching record was returned by Crossref. Source: Crossref; license: CC0 metadata
supportingDOI resolves: A matching record was returned by Crossref. Source: Crossref; license: CC0 metadata
not scoredDirectory of Open Access Journals: No matching DOAJ record was present in this response. No allow-list match; this is not evidence of low credibility. Source: DOAJ; license: CC0
not scoredMEDLINE indexed: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredOpenAlex core source: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredKnown publisher allow-list: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredROR affiliation: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredRetraction Watch retraction: No retraction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch expression of concern: No expression of concern notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch correction: No correction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch reinstatement: No reinstatement notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredOpen access status: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredPublication license: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredPublication version: A publication version was supplied but is not scored. Source: Normalized work metadata; license: Caller-provided; provenance license not supplied to scorer
supportingMetadata completeness: All 6 scored descriptive metadata groups are present. Source: Normalized work metadata; license: Caller-provided; provenance license not supplied to scorer

Cite this work

BibTeX

@article{allodium:10.1136/bmjopen-2016-011632,
  title = {Dietary sodium-to-potassium ratio as a risk factor for stroke, cardiovascular disease and all-cause mortality in Japan: the NIPPON DATA80 cohort study},
  author = {Akira Okayama and Nagako Okuda and Katsuyuki Miura and Tomonori Okamura and Takehito Hayakawa and Hiroshi Akasaka and Hirofumi Ohnishi and Shigeyuki Saitoh and Yusuke Arai and Yutaka Kiyohara and Naoyuki Takashima and Katsushi Yoshita and Akira Fujiyoshi and Maryam Zaid and Takayoshi Ohkubo and Hirotsugu Ueshima},
  year = {2016},
  journal = {BMJ Open},
  doi = {10.1136/bmjopen-2016-011632},
  url = {https://doi.org/10.1136/bmjopen-2016-011632}
}

RIS

TY  - JOUR
TI  - Dietary sodium-to-potassium ratio as a risk factor for stroke, cardiovascular disease and all-cause mortality in Japan: the NIPPON DATA80 cohort study
AU  - Akira Okayama
AU  - Nagako Okuda
AU  - Katsuyuki Miura
AU  - Tomonori Okamura
AU  - Takehito Hayakawa
AU  - Hiroshi Akasaka
AU  - Hirofumi Ohnishi
AU  - Shigeyuki Saitoh
AU  - Yusuke Arai
AU  - Yutaka Kiyohara
AU  - Naoyuki Takashima
AU  - Katsushi Yoshita
AU  - Akira Fujiyoshi
AU  - Maryam Zaid
AU  - Takayoshi Ohkubo
AU  - Hirotsugu Ueshima
PY  - 2016
JO  - BMJ Open
DO  - 10.1136/bmjopen-2016-011632
UR  - https://doi.org/10.1136/bmjopen-2016-011632
ER  -

APA

Okayama, A., Okuda, N., Miura, K., Okamura, T., Hayakawa, T., Akasaka, H., Ohnishi, H., Saitoh, S., Arai, Y., Kiyohara, Y., Takashima, N., Yoshita, K., Fujiyoshi, A., Zaid, M., Ohkubo, T., & Ueshima, H. (2016). Dietary sodium-to-potassium ratio as a risk factor for stroke, cardiovascular disease and all-cause mortality in Japan: the NIPPON DATA80 cohort study. BMJ Open. https://doi.org/10.1136/bmjopen-2016-011632

Source records

crossref · retrieved 2026-09-26T22:05:47.004Z