Data on home building characteristics and indoor environment factors.

a

Higher number stands for warmer climate.

b

Subjects have reported one of the following dampness problems: water leakage, floor dampness, visible molds or moldy odor in the last 12 months.

c

Dampness index, number of “yes” answers to “any dampness in the last 12 months” and “any dampness in the last 5 year”: 0, answers were both “no”; 1, only one answer was “yes”; 2, answers were “yes” to both questions.

d

Higher number stands for more window opening.

e

Subjects with missing data on gender (n = 73) were excluded.

f

Subjects with missing data on age (n = 49) were excluded.

g

p value by Chi-square test.