Skip to main content

Table 2 Odds ratios for adult emergency department visits for asthma per 5°C by season

From: Seasonal modification of the association between temperature and adult emergency department visits for asthma: a case-crossover study

 

Mean Daily Average Ambient Temperature (°C)

Odds Ratioa(95% Confidence Interval)

Test for heterogeneity( χ  2, DF, p-value)

Overall

15.9

1.01 (1.00, 1.02)

 

Season

  

18.94, 3, p<0.001

Winter

6.9

1.03 (1.01, 1.05)

 

Spring

15.3

0.97 (0.95, 0.99)

 

Summer

25.0

1.04 (0.99, 1.09)

 

Fall

16.0

1.01 (0.98, 1.03)

 
  1. aOdds ratio per 5°C increase in temperature adjusted for holidays, based on log-linear conditional logistic regression models fitted separately for each season.
Back to article page

Environmental Health

ISSN: 1476-069X