Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percent change in low birth weight per 1 µg m−3 change in PM2.5 stratified by percent poverty in California census tracts.
| Overall 2 (n = 7785) | <50% Poverty 3 (n = 5682) | ≥50% Poverty 3 (n = 2103) | |
|---|---|---|---|
| β (95% CI) | β (95% CI) | β (95% CI) | |
| PM2.5 1 | 0.03 (0.01, 0.04) | 0.02 (0.00, 0.03) | 0.06 (0.03, 0.08) |
1 Particulate matter less than 2.5 microns in diameter. 2 Adjusted for poverty, race/ethnicity, and toxic releases from facilities. 3 Adjusted for race/ethnicity and toxic releases from facilities.
