Table 3

Associations between exposure to moisture damage and visible mould in primary school buildings and respiratory symptoms in Finnish pupils (n=4062)

Non-damaged, no visible mouldDamaged, no visible mouldDamaged, visible mouldp Value for linear trend
Number of schools872
Number of pupils21591612291
Wheezing last 12 months1 (referent)1.36 (1.03 to 1.80)1.37 (0.86 to 2.19)0.047
Asthma medication last 12 months1 (referent)1.11 (0.87 to 1.42)1.63 (1.09 to 2.42)0.035
Congestion or phlegm last 12 months1 (referent)1.24 (0.87 to 1.76)1.44 (0.87 to 1.76)0.13
Dry cough at night last 12 months1 (referent)1.27 (0.91 to 1.77)1.58 (0.93 to 2.67)0.053
Nasal symptoms last 12 months1 (referent)1.33 (1.03 to 1.72)1.39 (0.92 to 2.11)0.027
School absence last 12 months1 (referent)1.38 (1.00 to 1.89)2.21 (1.34 to 3.62)0.001
Respiratory infections last 12 months1 (referent)1.03 (0.82 to 1.31)1.27 (0.86 to 1.87)0.31
Asthma attacks last 12 months1 (referent)0.91 (0.63 to 1.30)1.48 (0.83 to 2.63)0.55
  • ORs and 95% CIs adjusted for sex, age, parental educational level, moisture damage at home and school (group variable).