Variable Label (VAR)	Variable Name	Category	N(%)	N(Missing)	Mean(SD)	Median(Q1,Q3)	Range of Values	
A1. Blind_ID	BLIND_ID			241(0)	461.62(270.94)	445.00(218.00,707.00)	2.00-919.00	
								
A2. Study visit	VISIT	Study visit 9 (age 6 years)	241(100.0)					
								
A4. Subject gender	GENDER	Female	94(39.0)					
								
		Male	147(61.0)					
								
A5. Who completed the form	RELATIVES	Father	19(7.9)					
								
		Missing	1(0.4)					
								
		Mother	212(88.0)					
								
		Other primary caregiver	9(3.7)					
								
A6. Patient age (years) at instrument completion by parent or caregiver	PATIENT_AGE_INSTRUM			241(0)	6.23(0.41)	6.08(6.04,6.27)	6.00-8.89	
								
A7. Was any portion of this form completed by phone? --  --	PHONE	Missing	36(14.9)					
								
		No	155(64.3)					
								
		Yes	50(20.7)					
								
A7a. Patient age (years) at phone interview	PATIENT_AGE_PHONE			50(191)	6.53(0.68)	6.34(6.09,6.64)	6.00-8.89	
								
Form Version	VER_ID	A	36(14.9)					
								
		B	122(50.6)					
								
		UNKNOWN	83(34.4)