Outdoor Air Pollution and Cardiovascular Diseases in Lebanon: A Case-Control Study

Table 3

Exposure to outdoor air pollution and CVD.

Variable	Controls; = 219 (%)	Cases; = 121 (%)	OR (95% CI)
Highway proximity^a
>100 m	128 (58.4)	47 (38.8)
<100 m	91 (41.6)	74 (61.2)	2.21 (1.40–3.48)
Living duration near highway^b
Never	143 (65.3)	53 (4.38)	1.00
1 to 14 years	18 (8.2)	11 (9.1)	1.14 (0.73–3.72)
15 to 30 years	26 (11.9)	28 (23.1)	1.51 (1.12–4.28)
31 years or more	32 (14.6)	29 (24.0)	2.28 (1.62–5.77)
Local diesel generator proximity^c
No	166 (75.8)	61 (50.4)
Yes	53 (24.2)	60 (49.6)	3.08 (1.92–4.93)
Living duration near local diesel generator^d
Never	166 (75.8)	61 (50.4)	1.00
1 to 10 years	28 (12.8)	29 (24.0)	2.81 (1.55–5.11)
11 years and more	25 (11.4)	31 (25.6)	3.37 (1.84–6.16)

Are you living near a busy highway?; duration of living near a busy highway; Are you living close to local diesel generator?; ^dduration of living close to local diesel generator; OR: odds ratio; CI: confidence interval.