Table 2. Descriptive odds ratio across all relative age quarters.  | 
   
  
    
 | 
Total | 
 | 
 
| Quarter | 
x2 | 
p | 
OR [95% CI] | 
 
| Q1:Q2 | 
8.377 | 
.004 | 
2.73 [1.68, 4.45] | 
 
| Q1:Q3 | 
12.832 | 
<.001 | 
3.65 [2.19, 6.08] | 
 
| Q1:Q4 | 
17.672 | 
<.001 | 
4.86 [2.85, 8.30] | 
 
  | 
   
 
  
    Note: bolded values indicate significance of odds ratio (if 95% CI does not include 1). OR=odds ratio; CI = confidence interval  | 
   
 
	 |