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Table 1 Baseline demographics and exposure of air pollutants among participants

From: Association between gaseous air pollutants and idiopathic nephrotic syndrome in children: a 12-year population-based cohort study

N = 255,141   n %
Gender Boys 131,696 51.6
Age, years mean, SDa 6.43 3.38
 3–6   133,612 52.4
 7–12   103,217 40.5
  > 12   18,312 7.18
Monthly income (NTD)b  < 14,999 213,695 83.8
15,000 − 19,999 31,229 12.2
 ≥ 20,000 10,217 4.00
Urbanization level 1 (highest) 84,887 33.3
2 81,626 32.0
3 48,375 19.0
4 (lowest) 40,253 15.8
Exposure
 SO2 level (daily average) mean, SD 5.59 2.42
 THC level (daily average) mean, SD 2.42 0.23
 CH4 level (daily average) mean, SD 2.03 0.13
Participant follow-up years mean, SD 10.8 2.78
Outcome
 Nephrotic syndrome   264 0.10
  1. aSD standard deviation, bMonthly income: new Taiwan Dollar (NTD), 1 NTD is equal to 0.03 USD
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Italian Journal of Pediatrics

ISSN: 1824-7288

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