ERF of indoor dampness on respiratory health effects

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Moderator:Ulla H-S (see all)
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Scope

What is the association between exposure to indoor dampness and mould in homes and respiratory health effects?

Definition

Data

Odds ratios for different health effects in homes with vs. without visible dampness and/or mold or mold odor.

Outcome	Subjects	No. studies	Odds ratio central estimate (95 % CI)	Estimated % increase in damp homes
Upper respiratory tract symptoms	All	13	1.70 (1.44–2.00)	52
Cough	All	18	1.67 (1.49–1.86)	50
	Adults	6	1.52 (1.18–1.96)	–
	Children	12	1.75 (1.56–1.96)	–
Wheeze	All	22	1.50 (1.38–1.64)	44
	Adults	5	1.39 (1.04–1.85)	–
	Children	17	1.53 (1.39–1.68)	–
Current asthma	All	10	1.56 (1.30–1.86)	50
Ever-diagnosed asthma	All	8	1.37 (1.23–1.53)	33
Asthma development	All	4	1.34 (0.86–2.10)	30

Unit

OR per yes/no visible dampness and/or mold or mold odor

Formula

• Generates random samples of possible ORs.
  • Normal distribution assumed, sd estimated from confidence interval using sd = (upper bound - lower bound)/3.92

n <- 10000
erf <- rnorm(n, 1.56, (1.86-1.30)/3.92)
dim(erf) <- c(n, 1, 1)
dimnames(erf) <- list(obs=1:n, Outcome="Current asthma", "Age"="All")
erf <- as.data.frame(as.table(erf))

Result

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See also

• heande:Moisture damage
• Assessment of building policies' effect on dampness and asthma in Europe

Related files

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