Reproducibility of dietary and other data from a self-administered questionnaire

Shoji Tokunaga, T. Hirohata, I. Hirohata

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This study examined the reproducibility of information obtained from a questionnaire covering dietary and other information by comparing the answers to the questionnaires with answers to the same questions one year later. Answers from 191 men and 220 women, aged 40 to 65, in Fukuoka prefecture, Japan were compared. The surveys were conducted in November 1989 and November 1990. In the second survey, 97.2% of the first respondents answered. The concordance between the two responses was high, and the differences between the mean intakes from the two surveys were within 5% for 7 food items and within 15% for 14 food items among the 20 items about which the respondents were asked. The intraclass correlation coefficients varied from 0.30 for eggs to 0.62 for milk, with 16 items greater than 0.4. The differences in reproducibility between the sexes and two age categories were not significant. Close values also were obtained for the estimated consumption of salt. A substantially high reproducibility was observed on items regarding drinking and smoking; most of the kappa statistics and the intraclass correlation coefficients were between 0.5 and 0.9. The above reproducibility on individual food items was comparable to or better than those reported from other studies. The results of the present study thus indicate that the self-administered semiquantitative food intake questionnaire used for our cross-sectional study is useful for epidemiologic studies to assess the association between diet and various diseases. In particular, the present questionnaire is highly dependable regarding the overall group intake of foods. The information on smoking, drinking, and other items obtained by this questionnaire also seemed to be sufficiently reliable for epidemiologic surveys.

Original languageEnglish
Pages (from-to)5-10
Number of pages6
JournalEnvironmental Health Perspectives
Volume102
Issue numberSUPPL. 8
DOIs
Publication statusPublished - Jan 1 1994

Fingerprint

Food
Drinking
Surveys and Questionnaires
Eating
Smoking
Eggs
Epidemiologic Studies
Japan
Milk
Salts
Cross-Sectional Studies
Diet

All Science Journal Classification (ASJC) codes

  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

Cite this

Reproducibility of dietary and other data from a self-administered questionnaire. / Tokunaga, Shoji; Hirohata, T.; Hirohata, I.

In: Environmental Health Perspectives, Vol. 102, No. SUPPL. 8, 01.01.1994, p. 5-10.

Research output: Contribution to journalArticle

Tokunaga, Shoji ; Hirohata, T. ; Hirohata, I. / Reproducibility of dietary and other data from a self-administered questionnaire. In: Environmental Health Perspectives. 1994 ; Vol. 102, No. SUPPL. 8. pp. 5-10.
@article{472904509aad43598fb453c70b1a94c3,
title = "Reproducibility of dietary and other data from a self-administered questionnaire",
abstract = "This study examined the reproducibility of information obtained from a questionnaire covering dietary and other information by comparing the answers to the questionnaires with answers to the same questions one year later. Answers from 191 men and 220 women, aged 40 to 65, in Fukuoka prefecture, Japan were compared. The surveys were conducted in November 1989 and November 1990. In the second survey, 97.2{\%} of the first respondents answered. The concordance between the two responses was high, and the differences between the mean intakes from the two surveys were within 5{\%} for 7 food items and within 15{\%} for 14 food items among the 20 items about which the respondents were asked. The intraclass correlation coefficients varied from 0.30 for eggs to 0.62 for milk, with 16 items greater than 0.4. The differences in reproducibility between the sexes and two age categories were not significant. Close values also were obtained for the estimated consumption of salt. A substantially high reproducibility was observed on items regarding drinking and smoking; most of the kappa statistics and the intraclass correlation coefficients were between 0.5 and 0.9. The above reproducibility on individual food items was comparable to or better than those reported from other studies. The results of the present study thus indicate that the self-administered semiquantitative food intake questionnaire used for our cross-sectional study is useful for epidemiologic studies to assess the association between diet and various diseases. In particular, the present questionnaire is highly dependable regarding the overall group intake of foods. The information on smoking, drinking, and other items obtained by this questionnaire also seemed to be sufficiently reliable for epidemiologic surveys.",
author = "Shoji Tokunaga and T. Hirohata and I. Hirohata",
year = "1994",
month = "1",
day = "1",
doi = "10.1289/ehp.94102s85",
language = "English",
volume = "102",
pages = "5--10",
journal = "Environmental Health Perspectives",
issn = "0091-6765",
publisher = "Public Health Services, US Dept of Health and Human Services",
number = "SUPPL. 8",

}

TY - JOUR

T1 - Reproducibility of dietary and other data from a self-administered questionnaire

AU - Tokunaga, Shoji

AU - Hirohata, T.

AU - Hirohata, I.

PY - 1994/1/1

Y1 - 1994/1/1

N2 - This study examined the reproducibility of information obtained from a questionnaire covering dietary and other information by comparing the answers to the questionnaires with answers to the same questions one year later. Answers from 191 men and 220 women, aged 40 to 65, in Fukuoka prefecture, Japan were compared. The surveys were conducted in November 1989 and November 1990. In the second survey, 97.2% of the first respondents answered. The concordance between the two responses was high, and the differences between the mean intakes from the two surveys were within 5% for 7 food items and within 15% for 14 food items among the 20 items about which the respondents were asked. The intraclass correlation coefficients varied from 0.30 for eggs to 0.62 for milk, with 16 items greater than 0.4. The differences in reproducibility between the sexes and two age categories were not significant. Close values also were obtained for the estimated consumption of salt. A substantially high reproducibility was observed on items regarding drinking and smoking; most of the kappa statistics and the intraclass correlation coefficients were between 0.5 and 0.9. The above reproducibility on individual food items was comparable to or better than those reported from other studies. The results of the present study thus indicate that the self-administered semiquantitative food intake questionnaire used for our cross-sectional study is useful for epidemiologic studies to assess the association between diet and various diseases. In particular, the present questionnaire is highly dependable regarding the overall group intake of foods. The information on smoking, drinking, and other items obtained by this questionnaire also seemed to be sufficiently reliable for epidemiologic surveys.

AB - This study examined the reproducibility of information obtained from a questionnaire covering dietary and other information by comparing the answers to the questionnaires with answers to the same questions one year later. Answers from 191 men and 220 women, aged 40 to 65, in Fukuoka prefecture, Japan were compared. The surveys were conducted in November 1989 and November 1990. In the second survey, 97.2% of the first respondents answered. The concordance between the two responses was high, and the differences between the mean intakes from the two surveys were within 5% for 7 food items and within 15% for 14 food items among the 20 items about which the respondents were asked. The intraclass correlation coefficients varied from 0.30 for eggs to 0.62 for milk, with 16 items greater than 0.4. The differences in reproducibility between the sexes and two age categories were not significant. Close values also were obtained for the estimated consumption of salt. A substantially high reproducibility was observed on items regarding drinking and smoking; most of the kappa statistics and the intraclass correlation coefficients were between 0.5 and 0.9. The above reproducibility on individual food items was comparable to or better than those reported from other studies. The results of the present study thus indicate that the self-administered semiquantitative food intake questionnaire used for our cross-sectional study is useful for epidemiologic studies to assess the association between diet and various diseases. In particular, the present questionnaire is highly dependable regarding the overall group intake of foods. The information on smoking, drinking, and other items obtained by this questionnaire also seemed to be sufficiently reliable for epidemiologic surveys.

UR - http://www.scopus.com/inward/record.url?scp=0027939120&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0027939120&partnerID=8YFLogxK

U2 - 10.1289/ehp.94102s85

DO - 10.1289/ehp.94102s85

M3 - Article

VL - 102

SP - 5

EP - 10

JO - Environmental Health Perspectives

JF - Environmental Health Perspectives

SN - 0091-6765

IS - SUPPL. 8

ER -