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Table 3 The cumulative effects of diurnal temperature range on pediatric asthma, with diurnal temperature range of 15°C versus 10°C

From: Diurnal temperature range and childhood asthma: a time-series study

 

Relative risk (95% CI)

 

Lag 0

Lag 0–1

Lag 0–2

Lag 0–3

Lag 0–8

Lag 0–9

Lag 0–10

Lag 0–11

Total children

1.01 (0.97,1.06)

1.03 (0.97,1.13)

1.06 (0.98,1.19)

1.13 (1.02,1.25)*

1.31 (1.11,1.57)*

1.31 (1.11,1.58)*

1.31 (1.10,1.58)*

1.29 (1.06,1.57)*

0-4 children

0.99 (0.94,1.05)

0.98 (0.90,1.06)

1.00 (0.88,1.13)

1.02 (0.90,1.16)

1.17 (0.94,1.46)

1.18 (0.92,1.48)

1.15 (0.91,1.45)

1.12 (0.88,1.43)

5-9 children

1.09 (1.01,1.20)*

1.20 (1.05,1.37)*

1.29 (1.09,1.53)*

1.38 (1.13,1.69)*

1.75 (1.25,2.45)*

1.81 (1.26,2.58)*

1.86 (1.25,2.69)*

1.91 (1.26,2.83)*

10-14 children

1.01 (0.89,1.18)

1.07 (0.86,1.33)

1.15 (0.87,1.51)

1.24 (0.90,1.70)

1.54 (0.91,2.62)

1.49 (0.85,2.60)

1.38 (0.76,2.49)

1.23 (0.66,2.30)

Male children

1.02 (0.97,1.08)

1.06 (0.97,1.16)

1.12 (0.99,1.24)

1.18 (1.04,1.34)*

1.43 (1.15,1.77)*

1.42 (1.12,1.75)*

1.41 (1.08,1.74)*

1.35 (1.05,1.74)*

Female children

0.99 (0.92,1.03)

1.02 (0.91,1.13)

1.03 (0.90,1.19)

1.05 (0.90,1.24)

1.15 (0.88,1.52)

1.17 (0.88,1.56)

1.18 (0.87,1.59)

1.18 (0.86,1.63)

  1. *P-value<0.05.