Table 1.
Demographic data from baseline study (2010) comparing questionnaire data for participants (N = 1325) and non-participants (N = 809) in the two-year follow-up study.
Table 2.
The prevalence of asthma, allergy, smoking and weekly symptoms in the last 3 months 2010 and 2012 among junior high school students in Taiyuan.
Table 3.
The number of cases and percentage of new onset and remission of SBS symptoms during the two-year follow-up (N = 1325).
Table 4.
Average indoor and outdoor climate and concentration of air pollutants, measured at baseline (2010).
Table 5.
Correlation between indoor exposures (Pearson correlation) (N = 39).
Table 6.
Annual means of outdoor exposures measured at monitoring stations.
Table 7.
Associations between measured environmental factors and the prevalence of weekly symptoms at baseline in 2010 (N = 2134).
Table 8.
Associations between measured environmental factors and onset (incidence) of weekly symptoms during the two-year follow-up from 2010 to 2012 (N = 1283).
Table 9.
Associations between measured environmental factors and remission of weekly symptoms during the two-year follow-up from 2010 to 2012 (N = 1283).
Table 10.
Associations between gender, pollen or pet allergy, parental allergy or asthma and weekly symptoms in cross-sectional and longitudinal analysis.