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Table 1 Datasets to be linked and used in project Vitamin G1

From: Vitamin G: effects of green space on health, well-being, and social safety

  Subjects Variables included Geo coding Source
Dataset 1. Health and well-being 1 All people listed in 104 GP practices. N = 300.000. Representative for Dutch population. • perceived general health •basic socio-economic and demographic variables, including ethnic background •all diagnose-coded contacts and interventions with general practice during 12 months in 2000/1. 6-digit postcode Second National Survey of Morbidity and Interventions in General Practice, 2001 [49]
Dataset 2. Health and well-being 2 Random sample of patients listed in 104 GP practices. N = 13.000. Representative for Dutch population. This is a subset of the subjects the first dataset. as dataset 1, plus: • extensive health information •health behavior (e.g. smoking, nutrition, physical activity) •extensive socio-economic and demographic characteristics •other relevant control variables (e.g. having a private garden, housing conditions) 6-digit postcode Second National Survey of Morbidity and Interventions in General Practice, 2001 [49].
Dataset 3. Feelings of safety Random population sample. N = 90.000 •feelings of safety • perceived neighborhood problems •having been victim of crime •socio-economic and demographic characteristics, incl. ethnicity 4-digit postcode Politiemonitor Bevolking 2003 [40]
Dataset 4. Green space The Netherlands, 25*25 meter grid cells land use data (type of green, water surface, built-up area). x- and y- coordinates grid cells LGN4 data