Table 3.

Unadjusted MetS-associated hospital admission rates (per 100,000 person-years) and unadjusted relative risks of hospital admission in relation to residential proximity to environmental sources of POP.

Population characteristics	Unadjusted MetS-associated hospital admission rates (95% CI), per 100,000 person-years	Unadjusted RR (95% CI)	p value
Race:
African Americans
non-POP (reference)	1.37 (0.56–2.18)	1.0
POP	1.79 (0.22–3.35)	1.303 (0.268–3.360)	0.623
Caucasians
non-POP (reference)	2.09 (1.84–2.34)	1.0
POP	2.97 (2.44–3.49)	1.421 (1.137–1.746)	<0.001
Gender:
females
non-POP (reference)	2.04 (1.71–2.37)	1.0
POP	3.28 (2.55–4.10)	1.609 (1.204–2.099)	<0.01
males
non-POP (reference)	2.06 (1.71–2.40)	1.0
POP	2.46 (1.78–3.13)	1.194 (0.840–1.618)	0.280
Age:
25–34 years
non-POP (reference)	0.31 (0.11–0.51)	1.0
POP	0.31 (0.06–0.65)	0.993 (0.015–2.920)	0.992
35–44 years
non-POP (reference)	0.74 (0.44–1.03)	1.0
POP	0.96 (0.36–1.55)	1.299 (0.512–2.523)	0.486
45–54 years
non-POP (reference)	2.50 (1.91–3.10)	1.0
POP	3.95 (2.58–5.32)	1.580 (0.995–2.347)	0.186
55–64 years
non-POP (reference)	3.58 (2.74–4.42)	1.0
POP	5.60 (3.71–7.48)	1.563 (0.998–2.302)	0.186
65–74 years
non-POP (reference)	3.85 (2.88–4.83)	1.0
POP	4.68 (2.85–6.52)	1.216 (0.717–1.873)	0.411
75+ years
non-POP (reference)	3.82 (2.75–4.89)	1.0
POP	5.32 (3.19–7.44)	1.391 (0.806–2.200)	0.183