Does Living near Trees and Other Vegetation Affect the Contemporaneous Odds of Asthma Exacerbation among Pediatric Asthma Patients?

Roos, Anneclaire J. De; Kenyon, Chén C.; Yen, Yun-Ting; Moore, Kari; Melly, Steven J.; Hubbard, Rebecca A.; Maltenfort, Mitchell; Forrest, Christopher B.; Roux, Ana V. Diez; Schinasi, Leah H.

doi:10.1007/s11524-022-00633-7

Cited by 9 publications

(3 citation statements)

References 23 publications

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“…The reviewed studies all used different methods to assess participants' exposure to greenness, including normalized difference vegetation index (NDVI), soil-adjusted vegetation index (SAVI) ( 68 ), green view index (GVI) ( 67 ), light detection and ranging (LiDAR) imagery ( 29 , 31 , 39 , 46 , 56 ), land cover classification maps ( 50 , 58 ), and questionnaire ( 43 ), with varying buffer levels. The most common method is NDVI, which was used in 33 studies.…”

Section: Resultsmentioning

confidence: 99%

“…Two studies used images from spring, summer, fall and winter to calculate NDVI ( 51 , 53 ). Some studies also used annual or seasonal median NDVI values to represent greenness ( 29 , 42 , 59 ). Overall, the diversity of exposure measurement makes it difficult to compare the effect estimates reported in these studies.…”

Section: Resultsmentioning

confidence: 99%

“…However, this approach may not be sufficiently detailed when assessing impacts on allergic diseases, because it does not allow for differentiation of specific vegetation types. Five studies have used LiDAR and obtained inconsistent conclusions ( 29 , 31 , 39 , 46 , 56 ). Compared to NDVI, LiDAR can provide higher resolution images and distinguish between different types of greenness, such as tree canopy, shrub, and grass cover ( 31 ).…”

Section: Discussionmentioning

confidence: 99%

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Association between exposure to greenness and atopic march in children and adults—A systematic review and meta-analysis

Wang

Zhou²,

Zhi³

2023

Front. Public Health

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IntroductionAllergic diseases are a global public health problem. Food allergy, atopic dermatitis (AD), allergic rhinoconjunctivitis, allergic rhinitis (AR) and asthma represent the natural course of allergic diseases, also known as the “atopic march”. In recent years, a large number of studies have been published on the association between greenness exposure and allergic diseases. However, systematic reviews on the association between greenness exposure and multiple allergic diseases or atopic march are lacking.MethodsIn this study, PubMed, EMBASE, ISI Web of Science, and Scopus were systematically searched. Meta-analyses were performed if at least three studies reported risk estimates for the same outcome and exposure measures.ResultsOf 2355 records, 48 studies were included for qualitative review. Five birth cohort studies, five cross-sectional studies, and one case-control study were included for asthma meta-analysis, respectively. Four birth cohort studies were included for AR meta-analysis. Our results support that exposure to a greener environment at birth reduces the risk of asthma and AR in childhood. In addition, higher greenness exposure was associated with decreased odds of current asthma in children.DiscussionThere was a large heterogeneity among the included studies and most of them did not specify the vegetation type and causative allergens. Therefore the study results need to be further validated. In addition, a small number of studies evaluated the association between greenness and food allergy, AD and allergic rhinoconjunctivitis. More research is needed to strengthen our understanding of the association between greenness and allergic diseases.

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