Table 3.
Regression coefficient of ST-height associated with 10 μg/m3 increment of PM2.5 concentration.
| ST Variable | Lag0 | 95% CI | Lag1 | 95% CI | Lag2 | 95% CI | Lag3 | 95%CI | Lag4 | 95% CI | Cumulative | 95% CI | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inferior Leads | |||||||||||||
| ST-II | M1 | 0.04 | (-0.12,0.20) | 0.13 | (0.02,0.24) | 0.19 | (0.05,0.33) | 0.21 | (0.04,0.38) | 0.19 | (-0.12,0.50) | 0.76 | (0.17,1.36) |
| M2 | 0.04 | (-0.12,0.20) | 0.14 | (0.03,0.25) | 0.20 | (0.06,0.33) | 0.22 | (0.05, 0.38) | 0.20 | (-0.11,0.51) | 0.79 | (0.20,1.39) | |
| ST-III | M1 | 0.02 | (-0.13,0.16) | 0.08 | (-0.01,0.18) | 0.13 | (0.01,0.25) | 0.14 | (-0.01,0.30) | 0.14 | (-0.14,0.41) | 0.50 | (-0.02,1.03) |
| M2 | 0.02 | (-0.12,0.16) | 0.09 | (-0.01,0.18) | 0.13 | (0.01,0.25) | 0.15 | (0.01,0.30) | 0.14 | (-0.13,0.41) | 0.52 | (0.01,1.05) | |
| ST-aVF | M1 | 0.03 | (-0.12,0.18) | 0.11 | (0.01,0.21) | 0.16 | (0.03,0.28) | 0.17 | (0.02,0.33) | 0.16 | (-0.12,0.44) | 0.63 | (0.06,1.17) |
| M2 | 0.03 | (-0.11,0.18) | 0.11 | (0.01,0.21) | 0.16 | (0.04,0.28) | 0.18 | (0.03,0.33) | 0.17 | (-0.11,0.45) | 0.65 | (0.11,1.19) | |
| Lateral Leads | |||||||||||||
| ST-I | M1 | 0.03 | (-0.05,0.10) | 0.05 | (0.01,0.10) | 0.06 | (0.01,0.13) | 0.07 | (-0.01,0.15) | 0.06 | (-0.08,0.21) | 0.27 | (-0.01,055) |
| M2 | 0.03 | (-0.05,0.10) | 0.05 | (0.01,0.10) | 0.07 | (0.01,0.13) | 0.07 | (-0.01,0.15) | 0.07 | (-0.08,0.21) | 0.29 | (0.01,0.56) | |
| ST-V5 | M1 | -0.01 | (-0.20,0.17) | 0.05 | (-0.08,0.17) | 0.10 | (-0.05,0.26) | 0.15 | (-0.04,0.34) | 0.19 | (-0.16,0.54) | 0.48 | (-0.20,1.15) |
| M2 | -0.01 | (-0.19,0.18) | 0.06 | (-0.07,0.18) | 0.11 | (-0.04,0.27) | 0.16 | (-0.03,0.35) | 0.20 | (-0.15,0.55) | 0.52 | (-0.16,1.20) | |
| ST-V6 | M1 | -0.01 | (-0.14,0.13) | 0.04 | (-0.05,0.14) | 0.10 | (-0.02,0.55) | 0.17 | (0.02,0.31) | 0.25 | (-0.02,0.51) | 0.55 | (0.04,1.06) |
| M2 | 0.01 | (-0.14,0.14) | 0.05 | (-0.05,0.14) | 0.10 | (-0.01,0.22) | 0.17 | (0.03,0.32) | 0.25 | (-0.01,0.52) | 0.58 | (0.07,1.09) | |
| Spetal Leads | |||||||||||||
| ST-V1 | M1 | -0.01 | (-0.16,0.15) | 0.05 | (-0.06,0.15) | 0.08 | (-0.05,0.21) | 0.08 | (-0.08,0.25) | 0.06 | (-0.23,0.36) | 0.26 | (-0.31,0.83) |
| M2 | -0.01 | (-0.16,0.15) | 0.05 | (-0.06,0.15) | 0.08 | (-0.05,0.21) | 0.09 | (-0.08,0.25) | 0.07 | (-0.23,0.36) | 0.27 | (-0.30,0.84) | |
| ST-V2 | M1 | -0.07 | (-0.31,0.17) | 0.11 | (-0.04,0.27) | 0.22 | (0.02,0.42) | 0.24 | (0.01,0.49) | 0.19 | (-0.27,0.64) | 0.69 | (-0.17,1.56) |
| M2 | -0.06 | (-0.30,0.17) | 0.12 | (-0.04,0.28) | 0.22 | (0.02,0.42) | 0.25 | (0.01,0.50) | 0.19 | (-0.26,0.65) | 0.72 | (-0.14,1.59) | |
| Anterior Leads | |||||||||||||
| ST-V3 | M1 | -0.11 | (-0.43,0.21) | 0.06 | (-0.15,0.27) | 0.14 | (-0.13,0.40) | 0.12 | (-0.21,0.05) | 0.01 | (-0.61,0.62) | 0.20 | (-0.94,1.35) |
| M2 | -0.09 | (-0.41,0.23) | 0.08 | (-0.13,0.29) | 0.16 | (-0.11,0.43) | 0.14 | (-0.19,0.47) | 0.04 | (-0.58,0.65) | 0.33 | (-0.82,1.47) | |
| ST-V4 | M1 | -0.09 | (-0.27,0.09) | 0.03 | (-0.09,0.16) | 0.11 | (-0.04,0.26) | 0.14 | (-0.05,0.33) | 0.13 | (-0.21,0.48) | 0.33 | (-0.34,1.00) |
| M2 | -0.08 | (-0.26,0.10) | 0.04 | (-0.09,0.16) | 0.12 | (-0.04,0.27) | 0.15 | (-0.04,0.34) | 0.14 | (-0.20,0.49) | 0.37 | (-0.30,1.04) | |
M1: Adjusted for age, sex, race, temperature, and relative humidity
2: Adjusted for age, sex, race, temperature, and relative humidity, diabetes, hypertension, and CVD