Skip to main content
. Author manuscript; available in PMC: 2016 Feb 3.
Published in final edited form as: Environ Pollut. 2015 Jul 10;206:175–182. doi: 10.1016/j.envpol.2015.06.037

Table 2.

Descriptive statistics of the individual characteristics of the study subjects.

URI LRI

n subjects % n subjects %
Diseases
Otitis 64,253 7.4 Pneumonia 18,567 2.1
Pharynx 358,155 41.4 Bronchitis 321,307 37.2
Larynx 56,425 6.5
Sinusitis 45,513 5.3

Period
 Warm 258,707 29.9 126,963 14.7
 Cold 265,639 30.7 212,911 24.6

Age
 Children 190,242 22. 217,610 25.2
 Youth 180,755 20.9 62,916 7.3
 Adult 140,611 16.3 47,562 5.5
 Elderly 12,738 1.5 11,786 1.4

Educationa
None 3,999 1.9
Elementary 86,122 40.5
Secondary 75,656 35.6
University 46,920 22.1

Socio-economicb
Overcrowded 101,982 7.8
Living conditions 19,578 1.5
Housing conditions 11,545 0.9
a

adults (> 18 years old) at home that completed each level

b

proportion of homes with unfavorable conditions