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Table 5 Regression analysis of pulmonary function outcomes on individual perception of PM2.5 among residents aged 66–90 (N = 203) a

From: Associations between individual perceptions of PM2.5 pollution and pulmonary function in Chinese middle-aged and elderly residents

 

Severity of air pollution

Severity of health effects

Knowledge

Familiarity

Dread of risk to oneself

Dread of risk to others

FEV1, L

–

–

–

0.65*

–

–

FVC, L

–

–

–

0.55*

–

–

FEF75%, L/s

–

0.21

0.25*

0.28*

0.29*

0.23*

  1. a: *P < 0.05
  2. -: removed by stepwise regression selection
  3. All initial models included age, education, average family income and history of respiratory disease, and then underwent stepwise regression selection