Validity and reliability of single-item questions about physical activity

Nobuo Iwai, Shigeru Hisamichi, Norihiko Hayakawa, Yutaka Inaba, Tadashi Nagaoka, Hiroki Sugimori, Nao Seki, Kiyomi Sakata, Koji Suzuki, Akiko Tamakoshi, Yosikazu Nakamura, Akio Yamamoto, Yoshikazu Nishino, Atsushi Ogihara, Naoyuki Okamoto, Hiroshi Suzuki, Seiji Morioka, Yoshinori Ito, Kenji Wakai, Toshiyuki OjimaHeizo Tanaka, Takayuki Nose, Yoshiyuki Ohno

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

The Japan Collaborative Cohort Study for Evaluation of Cancer Risk Sponsored by Monbusho (JACC Study) included in its self-administered questionnaires some single-item questions concerning physical activity. We examined the validity of the questions among 1,730 Japanese adults and the reliability of the questions among 1,075 Japanese adults. The validity of the sports and physical exercise questions was estimated by comparing the self-administered questionnaire responses with the time spent on the activity and the energy expenditure index for the previous 12-month period, elicited by the interviewing method used in the Japan Lifestyle Monitoring Study with a minor modification. The Spearman's rank correlation coefficients ranged from 0.43 to 0.60, showing moderate correlations. On the other hand, test-retest reliability was estimated by comparing the responses from two separate surveys conducted roughly one year apart. Weighted kappa coefficients of sports and physical exercise questions, classified according to sex and age, ranged from 0.39 to 0.56, showing moderate reliability; and those of a question about walking ranged from 0.25 to 0.39, showing fair reliability. We suggest that measuring physical activity level with these single-item questions may be appropriate for establishing baseline data that reflects long-term physical activity in a large-scale cohort study targeting lifestyle-related diseases. validity, reliability, physical activity, single-item question, lifestyle-related disease.

Original languageEnglish
Pages (from-to)211-218
Number of pages8
JournalJournal of epidemiology
Volume11
Issue number5
DOIs
Publication statusPublished - 01-01-2001

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Reproducibility of Results
Exercise
Life Style
Sports
Japan
Cohort Studies
Nonparametric Statistics
Energy Metabolism
Walking
Surveys and Questionnaires
Neoplasms

All Science Journal Classification (ASJC) codes

  • Epidemiology

Cite this

Iwai, N., Hisamichi, S., Hayakawa, N., Inaba, Y., Nagaoka, T., Sugimori, H., ... Ohno, Y. (2001). Validity and reliability of single-item questions about physical activity. Journal of epidemiology, 11(5), 211-218. https://doi.org/10.2188/jea.11.211
Iwai, Nobuo ; Hisamichi, Shigeru ; Hayakawa, Norihiko ; Inaba, Yutaka ; Nagaoka, Tadashi ; Sugimori, Hiroki ; Seki, Nao ; Sakata, Kiyomi ; Suzuki, Koji ; Tamakoshi, Akiko ; Nakamura, Yosikazu ; Yamamoto, Akio ; Nishino, Yoshikazu ; Ogihara, Atsushi ; Okamoto, Naoyuki ; Suzuki, Hiroshi ; Morioka, Seiji ; Ito, Yoshinori ; Wakai, Kenji ; Ojima, Toshiyuki ; Tanaka, Heizo ; Nose, Takayuki ; Ohno, Yoshiyuki. / Validity and reliability of single-item questions about physical activity. In: Journal of epidemiology. 2001 ; Vol. 11, No. 5. pp. 211-218.
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Iwai, N, Hisamichi, S, Hayakawa, N, Inaba, Y, Nagaoka, T, Sugimori, H, Seki, N, Sakata, K, Suzuki, K, Tamakoshi, A, Nakamura, Y, Yamamoto, A, Nishino, Y, Ogihara, A, Okamoto, N, Suzuki, H, Morioka, S, Ito, Y, Wakai, K, Ojima, T, Tanaka, H, Nose, T & Ohno, Y 2001, 'Validity and reliability of single-item questions about physical activity', Journal of epidemiology, vol. 11, no. 5, pp. 211-218. https://doi.org/10.2188/jea.11.211

Validity and reliability of single-item questions about physical activity. / Iwai, Nobuo; Hisamichi, Shigeru; Hayakawa, Norihiko; Inaba, Yutaka; Nagaoka, Tadashi; Sugimori, Hiroki; Seki, Nao; Sakata, Kiyomi; Suzuki, Koji; Tamakoshi, Akiko; Nakamura, Yosikazu; Yamamoto, Akio; Nishino, Yoshikazu; Ogihara, Atsushi; Okamoto, Naoyuki; Suzuki, Hiroshi; Morioka, Seiji; Ito, Yoshinori; Wakai, Kenji; Ojima, Toshiyuki; Tanaka, Heizo; Nose, Takayuki; Ohno, Yoshiyuki.

In: Journal of epidemiology, Vol. 11, No. 5, 01.01.2001, p. 211-218.

Research output: Contribution to journalArticle

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T1 - Validity and reliability of single-item questions about physical activity

AU - Iwai, Nobuo

AU - Hisamichi, Shigeru

AU - Hayakawa, Norihiko

AU - Inaba, Yutaka

AU - Nagaoka, Tadashi

AU - Sugimori, Hiroki

AU - Seki, Nao

AU - Sakata, Kiyomi

AU - Suzuki, Koji

AU - Tamakoshi, Akiko

AU - Nakamura, Yosikazu

AU - Yamamoto, Akio

AU - Nishino, Yoshikazu

AU - Ogihara, Atsushi

AU - Okamoto, Naoyuki

AU - Suzuki, Hiroshi

AU - Morioka, Seiji

AU - Ito, Yoshinori

AU - Wakai, Kenji

AU - Ojima, Toshiyuki

AU - Tanaka, Heizo

AU - Nose, Takayuki

AU - Ohno, Yoshiyuki

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N2 - The Japan Collaborative Cohort Study for Evaluation of Cancer Risk Sponsored by Monbusho (JACC Study) included in its self-administered questionnaires some single-item questions concerning physical activity. We examined the validity of the questions among 1,730 Japanese adults and the reliability of the questions among 1,075 Japanese adults. The validity of the sports and physical exercise questions was estimated by comparing the self-administered questionnaire responses with the time spent on the activity and the energy expenditure index for the previous 12-month period, elicited by the interviewing method used in the Japan Lifestyle Monitoring Study with a minor modification. The Spearman's rank correlation coefficients ranged from 0.43 to 0.60, showing moderate correlations. On the other hand, test-retest reliability was estimated by comparing the responses from two separate surveys conducted roughly one year apart. Weighted kappa coefficients of sports and physical exercise questions, classified according to sex and age, ranged from 0.39 to 0.56, showing moderate reliability; and those of a question about walking ranged from 0.25 to 0.39, showing fair reliability. We suggest that measuring physical activity level with these single-item questions may be appropriate for establishing baseline data that reflects long-term physical activity in a large-scale cohort study targeting lifestyle-related diseases. validity, reliability, physical activity, single-item question, lifestyle-related disease.

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Iwai N, Hisamichi S, Hayakawa N, Inaba Y, Nagaoka T, Sugimori H et al. Validity and reliability of single-item questions about physical activity. Journal of epidemiology. 2001 Jan 1;11(5):211-218. https://doi.org/10.2188/jea.11.211