Table 2.
Estimated change (and 95% CI) in fasting blood glucose level (mg/dL) per interquartile range increase in PM2.5 concentration averaged over the corresponding time window before each visit.
| PM2.5 concentration | Participants n | Observations n | PM2.5 interquartile range (IQR) | Estimated change (95% CI) in FBG per IQR increase in PM2.5 concentrations | p-Value |
|---|---|---|---|---|---|
| Results from linear mixed-effects regression models accounting for correlation across multiple visits and adjusted for age, BMI, race, regular patterns of physical activity, smoking status, pack-years smoked, alcohol consumption, education level, statin use, temperature, and seasonality. Participants with diabetes were excluded. | |||||
| 1-day moving average | 551 | 1,152 | 5.71 μg/m3 | 0.57 (0.02, 1.11) | 0.04 |
| 7-day moving average | 551 | 1,152 | 4.28 μg/m3 | 1.02 (0.41, 1.63) | 0.001 |
| 28-day moving average | 551 | 1,152 | 3.09 μg/m3 | 0.89 (0.32, 1.47) | 0.003 |