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1:

Validity of a self-administered food frequency questionnaire (FFQ) and its generalizability to the estimation of dietary folate intake in Japan.

Ishihara J, Yamamoto S, Iso H, Inoue M, Tsugane S; JPHC FFQ Validation Study Group.

Nutr J. 2005 Oct 5;4:26.

PMID: 16202175 [PubMed - indexed for MEDLINE]

2:

Impact of the revision of a nutrient database on the validity of a self-administered food frequency questionnaire (FFQ).

Ishihara J, Inoue M, Kobayashi M, Tanaka S, Yamamoto S, Iso H, Tsugane S; JPHC FFQ Validation Study Group.

J Epidemiol. 2006 May;16(3):107-16.

PMID: 16710079 [PubMed - indexed for MEDLINE]

3:

Validity of a self-administered food-frequency questionnaire in the estimation of amino acid intake.

Ishihara J, Todoriki H, Inoue M, Tsugane S; for the JPHC FFQ Validation Study Group.

Br J Nutr. 2008 Oct 10:1-7. [Epub ahead of print]

PMID: 18845023 [PubMed - as supplied by publisher]

4:

Validity of the self-administered food frequency questionnaire used in the 5-year follow-up survey for the JPHC Study to assess folate, vitamin B6 and B12 intake: comparison with dietary records and blood level.

Iso H, Moriyama Y, Yoshino K, Sasaki S, Ishihara J, Tsugane S; JPHC.

J Epidemiol. 2003 Jan;13(1 Suppl):S98-101.

PMID: 12701636 [PubMed - indexed for MEDLINE]

5:

Folate intake assessment: validation of a new approach.

Yen J, Zoumas-Morse C, Pakiz B, Rock CL.

J Am Diet Assoc. 2003 Aug;103(8):991-1000; discussion 1000.

PMID: 12891147 [PubMed - indexed for MEDLINE]

6:

Validity of a self-administered food frequency questionnaire used in the 5-year follow-up survey of the JPHC Study Cohort I to assess dietary fiber intake: comparison with dietary records.

Sasaki S, Matsumura Y, Ishihara J, Tsugane S; JPHC.

J Epidemiol. 2003 Jan;13(1 Suppl):S106-14.

PMID: 12701638 [PubMed - indexed for MEDLINE]

7:

Dietary assessment in Whitehall II: comparison of 7 d diet diary and food-frequency questionnaire and validity against biomarkers.

Brunner E, Stallone D, Juneja M, Bingham S, Marmot M.

Br J Nutr. 2001 Sep;86(3):405-14.

PMID: 11570993 [PubMed - indexed for MEDLINE]

8:

A simple food frequency questionnaire for Japanese diet--Part I. Development of the questionnaire, and reproducibility and validity for food groups.

Wakai K, Egami I, Kato K, Lin Y, Kawamura T, Tamakoshi A, Aoki R, Kojima M, Nakayama T, Wada M, Ohno Y.

J Epidemiol. 1999 Aug;9(4):216-26.

PMID: 10510578 [PubMed - indexed for MEDLINE]

9:

Development of a validated food frequency questionnaire to determine folate intake.

French MR, Langdon C, Levy-Milne R.

Can J Diet Pract Res. 2001 Summer;62(2):82-6.

PMID: 11518558 [PubMed - indexed for MEDLINE]

10:

Validation of a short food frequency questionnaire to assess folate intake.

Pufulete M, Emery PW, Nelson M, Sanders TA.

Br J Nutr. 2002 Apr;87(4):383-90.

PMID: 12064348 [PubMed - indexed for MEDLINE]

11:

Food consumption methods. Development, reproducibility and validation of a food frequency questionnaire for vitamin B6.

Brants HA, Löwik MR, Brussaard JH, Kistemaker C, Van Erp-Baart AM.

Eur J Clin Nutr. 1997 Nov;51 Suppl 3:S12-8.

PMID: 9598763 [PubMed - indexed for MEDLINE]

12:

Validity of a self-administered food frequency questionnaire used in the 5-year follow-up survey of the JPHC Study Cohort I: comparison with dietary records for food groups.

Sasaki S, Kobayashi M, Tsugane S; JPHC.

J Epidemiol. 2003 Jan;13(1 Suppl):S57-63.

PMID: 12701632 [PubMed - indexed for MEDLINE]

13:

Validity and reproducibility of a self-administered food-frequency questionnaire to assess isoflavone intake in a japanese population in comparison with dietary records and blood and urine isoflavones.

Yamamoto S, Sobue T, Sasaki S, Kobayashi M, Arai Y, Uehara M, Adlercreutz H, Watanabe S, Takahashi T, Iitoi Y, Iwase Y, Akabane M, Tsugane S.

J Nutr. 2001 Oct;131(10):2741-7.

PMID: 11584098 [PubMed - indexed for MEDLINE]

14:

Relative validity of food intake estimates using a food frequency questionnaire is associated with sex, age, and other personal characteristics.

Marks GC, Hughes MC, van der Pols JC.

J Nutr. 2006 Feb;136(2):459-65.

PMID: 16424128 [PubMed - indexed for MEDLINE]

15:

Validity and reproducibility of the food frequency questionnaire used in the Shanghai Women's Health Study.

Shu XO, Yang G, Jin F, Liu D, Kushi L, Wen W, Gao YT, Zheng W.

Eur J Clin Nutr. 2004 Jan;58(1):17-23.

PMID: 14679362 [PubMed - indexed for MEDLINE]

16:

Diet quality of Montreal-area adults needs improvement: estimates from a self-administered food frequency questionnaire furnishing a dietary indicator score.

Shatenstein B, Nadon S, Godin C, Ferland G.

J Am Diet Assoc. 2005 Aug;105(8):1251-60.

PMID: 16182642 [PubMed - indexed for MEDLINE]

17:

Validity of a self-administered food frequency questionnaire against 7-day dietary records in four seasons.

Lee KY, Uchida K, Shirota T, Kono S.

J Nutr Sci Vitaminol (Tokyo). 2002 Dec;48(6):467-76.

PMID: 12775113 [PubMed - indexed for MEDLINE]

18:

Validation of the assessment of folate and vitamin B12 intake in women of reproductive age: the method of triads.

Verkleij-Hagoort AC, de Vries JH, Stegers MP, Lindemans J, Ursem NT, Steegers-Theunissen RP.

Eur J Clin Nutr. 2007 May;61(5):610-5. Epub 2006 Dec 13.

PMID: 17164826 [PubMed - indexed for MEDLINE]

19:

Issues in assessing the validity of nutrient data obtained from a food-frequency questionnaire: folate and vitamin B12 examples.

Flood VM, Smith WT, Webb KL, Mitchell P.

Public Health Nutr. 2004 Sep;7(6):751-6.

PMID: 15369613 [PubMed - indexed for MEDLINE]

20:

Development and simulated validation of a food-frequency questionnaire for the Colombian population.

Bautista LE, Herrán OF, Pryer JA.

Public Health Nutr. 2005 Apr;8(2):181-8.

PMID: 15877911 [PubMed - indexed for MEDLINE]

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