| Titre : | Impact of walking upon medical care expenditure in Japan : the Ohsaki Cohort Study. Commentary. (2003) |
| Auteurs : | Ichiro TSUJI ; Yukiko ANZAI ; Shigeru HISAMICHI ; Shinichi KURIYAMA ; Caroline-A MACERA ; Yoshikazu NISHINO ; Takayoshi OHKUBO ; Kohko TAKAHASHI ; Yoshitaka TSUBONO ; Yoko WATANABE ; Miyagi University School of Nursing. Sendai. JPN ; Tohoku University School of Medicine. Department of Public Health. Sendai. JPN |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 32, n° 5, 2003) |
| Pagination : | 809-815 |
| Langues: | Anglais |
| Mots-clés : | Soins ; Dépense ; Japon ; Asie ; Activité physique ; Economie santé ; Homme ; Prévention santé ; Appareil circulatoire [pathologie] ; Locomotion |
| Résumé : | [BDSP. Notice produite par INIST-CNRS R0xr818q. Diffusion soumise à autorisation]. Background : Physical activity is expected to reduce medical costs by lowering the risk for a variety of chronic diseases. However, little is known about the actual magnitude of medical cost saved by physical activity. We attempted to quantify the association between time spent walking and medical care costs, based on a 4-year prospective observation of National Health Insurance (NHI) beneficiaries in rural Japan. Methods : In 27 431 Japanese men and women, aged 40-79 years, who had no functional limitation or conditions interfering with physical activity at the baseline survey in 1994, we ascertained all hospitalizations, outpatient visits, and the costs through computerized linkage with NHI claims history files between January 1995 and December 1998. Results : Medical costs significantly reduced with longer time spent walking. Per capita medical cost was 111.80 per month (95% CI : 109.3,114.2) in those who walked for<=30 minutes/day, 108.10 (95% CI : 105.7,110.5) in those who walked for 30 minutes-1 hour, and 97.30 (95% CI : 95.5,99.0) in those who walked for>=1 hour, after multivariate adjustment of potential confounders. Conclusions : This prospective study in Japan indicated that time spent walking was significantly associated with lower medical costs. |
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