Associations between environmental exposures and asthma control and exacerbations in young children: a systematic review.

BMJ Open · 2014 · PMC3927936 · PMID 24523420

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A further longitudinal study-related exposures to PM 2.5–10 and PM 2.5 in the bedrooms of 150 young children with asthma or asthma-related symptoms over 6 months 18 : each 10 μg/m 3 increase in exposure to PM 2.5–10 was associated with a mean 6% rise in symptoms (95% CI 1 to 12) and a similar rise in PM 2.5 was linked to a mean rise of 3% which approached significance (95% CI −1 to 7).

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