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

Table 3 Regression analysis of influencing factors on individual perception of PM_2.5 among middle-aged and elderly residents (N = 398)^a

	Concern	Severity of air pollution	Severity of health effects	Knowledge	Familiarity	Dread of risk to oneself	Dread of risk to others	Controllability
Age	−0.28**	−0.4**	− 0.35**	−0.41**	− 0.32**	−0.37**	− 0.35**	− 0.31**
Gender	− 0.35	0.09	− 0.36	− 0.4	− 0.24	−0.27	− 0.29	0.08
Education	0.9**	0.54**	0.85**	0.93**	0.86**	0.9**	0.94**	0.45**
Average family income	0.53**	0.39**	0.72**	0.48**	0.55**	0.59**	0.63**	0.39*
History of cardiovascular disease	−0.42	−0.01	0.03	−0.27	−0.18	− 0.02	0.07	− 0.46
History of respiratory disease	0.84*	1.06**	1.33**	1.09**	1.17**	1.47**	1.4**	0.03

ISSN: 1471-2458