Table 4 |
||||
|
Time series analysis between rate of respiratory disease and pollutant. |
||||
| Variables |
Coefficient |
Std. Error |
T-statistics |
p-value |
|
|
||||
| AR |
0.1052 |
0.0527 |
1.9979 |
0.0465 |
| Pollutant(t-1) |
0.0054 |
0.0028 |
1.9621 |
0.0505 |
| Rain(t-1) |
-0.0081 |
0.0029 |
-2.8477 |
0.0047 |
| Constant |
1.2382 |
0.0586 |
21.1162 |
0.0000 |
|
|
||||
| Variables |
Coefficient |
Std. Error |
T-statistics |
p-value |
|
|
||||
| AR |
0.1113 |
0.0526 |
2.1163 |
0.0350 |
| TSP(t-1) |
0.0398 |
0.0178 |
2.2307 |
0.0262 |
| Rain(t-1) |
-0.0082 |
0.0028 |
-2.8861 |
0.0041 |
| Constant |
1.2523 |
0.0509 |
24.5845 |
0.0000 |
|
|
||||
| Variables |
Coefficient |
Std. Error |
T-statistics |
p-value |
|
|
||||
| AR |
0.0994 |
0.0528 |
1.8825 |
0.0606 |
| SO2(t) |
0.0123 |
0.0056 |
2.1986 |
0.0285 |
| Rain(t-1) |
-0.0079 |
0.0028 |
-2.7681 |
0.0059 |
| Constant |
1.2468 |
0.0526 |
23.7134 |
0.0000 |
|
|
||||
| Variables |
Coefficient |
Std. Error |
T-statistics |
p-value |
|
|
||||
| AR |
0.1094 |
0.0525 |
2.0829 |
0.0380 |
| N0x(t-1) |
0.0124 |
0.006 |
2.0837 |
0.0379 |
| Rain(t-1) |
-0.008 |
0.0028 |
-2.83 |
0.0049 |
| Constant |
1.2272 |
0.0607 |
20.2065 |
0.0000 |
|
|
||||
|
AR = auto-correlation term, pollutant(t-1) = total pollutant concentration on previous day, rain(t-1) = rainfall at previous day, TSP (t-1) = total suspended particle at previous day, SO2(t) = sulfur dioxide at the same day, NOx(t-1) = nitrogen oxide at previous day. |
||||
|
Jadsri et al. International Journal of Health Geographics 2006 5:48 doi:10.1186/1476-072X-5-48 |
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