TABLE 2.

Per cent excess risk and 95% confidence intervals for emergency department visits per 13°F increase in overall daily maximum temperature over lags 0–5 days for children aged 0–18 years living in New York City, 2005–2011, overall and by age groups

Lag day	Overall (0–18 years)	Age 0–4 years	Age 5–12 years	Age 13–18 years
Lag0	1.06 (0.90, 1.23)	1.23 (0.99, 1.48)	0.93 (0.64, 1.22)	0.91 (0.58, 1.24)
Lag1	0.75 (0.63, 0.86)	0.89 (0.73, 1.06)	0.61 (0.41, 0.81)	0.64 (0.41, 0.87)
Lag2	0.43 (0.35, 0.51)	0.56 (0.44, 0.67)	0.29 (0.16, 0.43)	0.37 (0.22, 0.52)
Lag3	0.11 (0.04, 0.19)	0.22 (0.11, 0.33)	−0.02 (−0.15, 0.11)	0.10 (−0.05, 0.25)
Lag4	−0.20 (−0.31, −0.09)	−0.12 (−0.28, 0.05)	−0.33 (−0.53, −0.14)	−0.17 (−0.39, 0.05)
Lag5	−0.52 (−0.68, −0.36)	−0.45 (−0.69, −0.21)	−0.65 (−0.93, −0.36)	−0.44 (−0.76, −0.11)
Cumulative	1.63 (1.21, 2.06)	2.35 (1.71, 3.00)	0.83 (0.08, 1.59)	1.42 (0.56, 2.28)

All models adjusted for relative humidity using a national spline with 3 degrees of freedom.