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Table 2 Prevalence and characteristics of Pre-SBS group

From: Prevalence and risk factors of pre-sick building syndrome: characteristics of indoor environmental and individual factors

 Group at low risk of SBS, n (%)Group at high risk of SBS, n (%) = pre-SBS, 282 (18.8)
 NeverRareSometimesOftenAlwaysTotal
Headache, heaviness in head, tinnitus1181 (79.1)192 (12.9)78 (5.2)22 (1.5)20 (1.3)120 (8.0)
Itching, burning, irritation, drying of the eyes1187 (79.5)198 (13.3)81 (5.4)13 (0.8)14 (0.9)108 (7.2)
Irritated, stuffy, or runny nose1020 (68.3)278 (18.6)144 (9.7)37 (2.5)14 (0.9)195 (13.1)
Cough and sneezes991 (66.4)310 (20.7)152 (10.2)28 (1.9)12 (0.8)192 (12.9)