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オーストラリアの統計領域の空間的に一貫した年間社会経済指標 (SEIFA) データ,1996年-2021年
Rebecca A Reid1, Suzanne Mavoa2, Sarah Foster3
1Institute for Health and Sport, Victoria University, Footscray, Australia.
Annals of epidemiology
|August 22, 2025
まとめ
この研究により,1996年から2021年までの地域ごとに地理的に一貫した社会経済指標 (SEIFA) が作成されました. これは,社会経済的要因を時間とともに追跡するための稀な国勢調査データの限界を克服します.
科学分野:
- 社会経済分析
- 地理空間統計
- 公衆衛生研究
背景:
- 地域レベルでの社会経済的な洞察には,国勢調査のデータが不可欠です.
- データ収集の頻度が低いことと,行政の境界が変化していることが,縦断的な分析を制限している.
- 現存する国勢調査データは,社会経済的傾向を追跡する上で課題を提示しています.
研究 の 目的:
- 地理的に一貫した地域社会経済指標 (SEIFA) の年間データを生成する.
- オーストラリア統計局 (ABS) のデータを用いて縦断的な社会経済分析のための解決策を提供すること.
- 1996年から2021年の期間をカバーし,データ制限に対処します.
主な方法:
- 地理情報システム (GIS) は,歴史的な空間データを現代的な境界線に調和させるために使用されました.
- 線形インターポレーションは,国勢調査以外の年のSEIFA値を推定するために使用されました.
- データは一貫性のために2021年統計領域1 (SA1) の境界線に標準化されました.
主要な成果:
- SEIFAデータがない地域を除いて,59,421の統計領域1 (SA1) の包括的なデータセットが生成されました.
- 方法論は年間SEIFAデータを成功裏に生成しました.
- 結果として得られたデータは,1996年から2021年まで空間的に一貫しています.
結論:
- 地域規模でのSEIFAの年間データは,地域レベルの社会経済要因を追跡する課題を効果的に解決します.
- 数年にわたるデータを標準化することで,地理的単位の一貫性が確保されます.
- このアプローチは,縦断的な社会経済研究のための国勢調査データの有用性を高めます.
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