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Table 2 Associations between per 10 μg/m3 increase of ambient PM2.5 and YLL

From: Impact of birth season on the years of life lost from respiratory diseases in the elderly related to ambient PM2.5 exposure in Ningbo, China

Variables Whole year (95%CI) Spring-born (95%CI) Summer-born (95%CI) Autumn-born (95%CI) Winter-born (95%CI)
Single-pollutant model 1.61 (0.12, 3.10) − 0.14 (− 0.76, 0.48)* 0.34 (− 0.32,0.99) * − 0.13 (− 0.91,0.66) * 1.54 (0.75, 2.34)
Two-pollutant model
 +NO2 0.83 (− 1.16,2.83) − 0.58 (− 1.32, 0.15) * 0.26 (− 0.62, 1.13) * − 0.29 (− 1.34,0.76) * 1.76 (0.70, 2.82)
 +SO2 0.47 (− 1.35, 2.29) − 0.29 (− 1.05, 0.46) * − 0.15 (− 0.95,0.65) * − 0.46 (− 1.42,0.50) * 1.38 (0.41, 2.35)
 +O3 1.05 (− 0.57, 2.66) − 0.41 (− 1.07, 0.26) * 0.29 (− 0.42, 1.00) * − 0.24 (− 1.09, 0.62) * 1.40 (0.54, 2.26)
  1. Results are presented at mv04. The unit of the values is years. *p < 0.05 compared with the years of life lost in the winter-born elderly population