Table 2

 Percentage increases and 95% CIs for asthma hospital admissions using moving averages of total suspended particle concentrations

TSP moving averagePercentage increase (95% CI)
TSP, total suspended particles.
2-day (lag0–lag1)6.96 (1.4 to 12.86)
3-day (lag0–lag2)9.09 (3.12 to 15.40)
4-day (lag0–lag3)10.28 (4.05 to 16.90)
5-day (lag0–lag4)11.63 (5.46 to 19.18)
5-day (lag1–lag5)11.63 (5.42 to 17.73)
6-day (lag0–lag5)12.61 (5.68 to 20.00)
7-day (lag0–lag6)12.56 (5.47 to 20.13)