Validation of Walking Questionnaire for Population-based Prospective Studies in Japan: Comparison with Pedometer.

Tsubono, Yoshitaka; Tsuji, Ichiro; Fujita, Kazuki; Nakaya, Naoki; Hozawa, Atsushi; Ohkubo, Takayoshi; Kuwahara, Aya; Watanabe, Yoko; Ogawa, Keiko; Nishino, Yoshikazu; Hisamichi, Shigeru

doi:10.2188/jea.12.305

Cited by 52 publications

(36 citation statements)

References 19 publications

(30 reference statements)

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“…', and could choose one out of three options to answer: ! 30 min, 30 min to 1 h, and 1 1 h. The validity of the questionnaire on walking had already been established [17] . We also asked the subjects whether they were able to independently perform basic activities of daily living (ADL) tasks such as eating.…”

Section: Assessment Of Lifestylementioning

confidence: 99%

Modifiable Factors for the Length of Life with Disability before Death: Mortality Retrospective Study in Japan

Ohmori¹,

Kuriyama²,

Hozawa³

et al. 2005

Gerontology

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Background: Past studies have measured and described the length of life with disability before death, but there has been no study of the relationship between modifiable lifestyle factors and duration of disability. Objective: To examine whether there are modifiable factors influencing the length of life with disability before death. Methods: The study was designed asa retrospective observation of the deceased who had earlier been enrolled in a prospective cohort study.During the follow-up period (1996–1999), we documented 781 deaths among those who were 70–79 years of age at the baseline survey in 1994 (n = 10,216). In 2000, we interviewed family members of the deceased about the duration of the subjects’ disability before death (n = 655). Results: The median duration of disability before death was approximately 6 months. Both higher Body Mass Index (BMI) and shorter time spent walking were significantly associated with an increased risk of long-term disability (more than 6 months). The odds ratios of long-term disability were 1.3 in those with BMI 20–25 and 2.1 in those with BMI >25, compared with BMI <20. The odds ratios of long-term disability were 1.3 in those walking for 0.5–0.9 h/day and 1.7 in those walking for <0.5 h/day, compared with those walking for >1.0 h/day. These relationships were unchanged after stratification for causes of death. Conclusion: Weight control and walking in later life may shorten the length of life with disability before death.

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Section: Assessment Of Lifestylementioning

confidence: 99%

Modifiable Factors for the Length of Life with Disability before Death: Mortality Retrospective Study in Japan

Ohmori¹,

Kuriyama²,

Hozawa³

et al. 2005

Gerontology

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“…Validation of the questionnaire for time spent walking (Tsubono et al, 2002) or the food frequency questionnaire (Ogawa et al, 2003) has already been reported. The physical function status was assessed using the six-item measure of the Medical Outcomes Study (MOS) Short-form General Health Survey (Stewart et al, 1988): able to perform vigorous activity (MOS scores of 5 or 6); capable of moderate but not vigorous activity (MOS scores of 2-4); and capable of only low physical activity (MOS scores of 0 or 1).…”

Section: Exposure Datamentioning

confidence: 99%

Participation in health check-ups and mortality using propensity score matched cohort analyses

Hozawa

Kuriyama

Watanabe

et al. 2010

Preventive Medicine

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“…The validity and reproducibility of the question on walking time have been reported elsewhere. 20 We also presented the results of analyses of BMI or patterns of increase in BMI category with further adjustment for green vegetables, total fruit and total energy intake (as a continuous variable), and green tea intake (less than 1 cup day À1 , 1-2, 3-4 and 5 or more cups day…”

Section: Increase In Body Mass Index Category and Mortality T Shimazumentioning

confidence: 99%

Increase in body mass index category since age 20 years and all-cause mortality: a prospective cohort study (the Ohsaki Study)

et al. 2009

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Background: It is still unclear whether weight gain from early to late adulthood affects longevity. Furthermore, no study has addressed its association with all-cause and cause-specific mortality in an Asian population. Methods: We prospectively assessed the association between an increase in body mass index (BMI) category since age 20 years and risk of all-cause, cardiovascular disease (CVD) and cancer mortality. Self-reported information pertaining to BMI was collected from 38 080 Japanese men and women aged 40-79 years at study entry in 1994 after exclusion of participants with a BMI of o18.5 kg/m 2 at age 20 years or at study entry. We defined six patterns of increase in BMI category at age 20 years and study entry: stable normal, overweight and obese, normal to overweight or obese, and overweight to obese. Results: During 7 years of follow-up, 2617 participants died. After adjustment for potential confounders, we observed a significantly increased risk of all-cause mortality for the pattern of normal weight at age 20 years and obese at study entry and of stable obese compared with stable normal in BMI category, the multivariate HRs (95% confidence interval (CI)) being 1.42 (1.08-1.88) and 2.26 (1.45-3.51), respectively. For the pattern of overweight at age 20 years and obese at study entry, the multivariate hazard ratio (95% CI) was 1.35 (0.92-1.98). In contrast, we did not observe an increased risk of all-cause mortality for normal weight at age 20 years and overweight at study entry, and stable overweight. For CVD and cancer mortality, these results were consistently observed. Conclusion: We observed an increased risk of all-cause mortality both among participants who had been persistently obese since early adulthood and participants who showed an increase in BMI category from normal to obese, compared with participants with a stable normal BMI category.

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Validation of Walking Questionnaire for Population-based Prospective Studies in Japan: Comparison with Pedometer.

Abstract: The single-item questionnaire on walking is reasonably reproducible and valid, and useful in studying the health effects of walking among the Japanese population.

Cited by 52 publications

References 19 publications

Modifiable Factors for the Length of Life with Disability before Death: Mortality Retrospective Study in Japan

Modifiable Factors for the Length of Life with Disability before Death: Mortality Retrospective Study in Japan

Participation in health check-ups and mortality using propensity score matched cohort analyses

Increase in body mass index category since age 20 years and all-cause mortality: a prospective cohort study (the Ohsaki Study)

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