| Autor: |
Takaaki Mori, Takumi Aoki, Kan Oishi, Tetsuo Harada, Chiaki Tanaka, Shigeho Tanaka, Hideki Tanaka, Kazuhiko Fukuda, Yasuko Kamikawa, Nobuhiro Tsuji, Keisuke Komura, Shohei Kokudo, Noriteru Morita, Kazuhiro Suzuki, Masashi Watanabe, Ryoji Kasanami, Taketaka Hara, Ryo Miyazaki, Takafumi Abe, Koji Yamatsu, Daisuke Kume, Hedenori Asai, Naofumi Yamamoto, Taishi Tsuji, Tomoki Nakaya, Kojiro Ishii |
| Jazyk: |
angličtina |
| Rok vydání: |
2022 |
| Předmět: |
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| Zdroj: |
BMC Public Health, Vol 22, Iss 1, Pp 1-11 (2022) |
| Druh dokumentu: |
article |
| ISSN: |
1471-2458 |
| DOI: |
10.1186/s12889-022-14052-5 |
| Popis: |
Abstract Background Relative age effect is defined as a phenomenon where children born early generally perform better than children born later in the same cohort. Physical activity is an important factor that might be influenced by the relative age effect. Socioeconomic factors (e.g., parent’s income, education level) are also associated with the adolescent’s physical activity. However, no existing study has examined whether socioeconomic factors moderate the relative age effect on the adolescent’s physical activity. This study aims to clarify whether and how birth month and socioeconomic factors relate to organized sports and physical activity among adolescents in Japan. Methods We conducted a questionnaire survey targeting 21,491 adolescents who live in a widespread neighborhood. We included 8102 adolescents (4087 males and 4015 females: mean age 13.1 ± 1.4) in the analysis. Based on the participants’ birth months, we divided them into four groups (April to June, July to September, October to December, January to March). We asked participants to report their organized sports participation. Using the International Physical Activity Questionnaire for Japanese Early Adolescents, we identified their moderate to vigorous physical activity (MVPA). Neighborhood-level socioeconomic factors (areal deprivation, average annual income, education level) were analyzed based on national surveys, such as the population census. We performed multilevel logistic and linear regression analysis for organized sports participation and MVPA, respectively. Moreover, a simple slope analysis was implemented if the interaction between birth month and socioeconomic factor was significant in the multilevel linear regression analysis. Results Among males, relatively younger adolescents (adolescents who were born later in the same grade) were less likely to participate in organized sports activites (OR=0.90, 95% CI 0.82–0.97, p |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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