BI-HELM1-DD.HTM

Documentation of BI-HELM1 data sets.

Variable Type Len Description
SCHOOL Real  8 1=Kennedy (Santa Clara County) 
2=Los Arboles (Santa Clara County) 
3=Cassell (Santa Clara County) 
4=Miner (Santa Clara County) 
5=Sakamoto (Santa Clara County) 
6=Toyon (Santa Clara County) 
7=Lietz (Santa Clara County) 
8=Sedgewick (Santa Clara County) 
9=Belshaw (Santa Clara County) 
10=Disco Bay (Contra Costa County) 
11=Fair Oaks (Contra Costa County) 
12=Grant (Contra Costa County) 
13=Walnut Acres (Contra Costa County) 
14=Standwood (Contra Costa County) 
15=Downer (Contra Costa County)
COUNTY Integer  2 1 = Santa Clara  
2 = Contra Costa
HELMETUSE Integer 1 Rider wearing helmet: 1 = yes / 2 = no 
MATCHVAR Integer 1 Matching variable based on percent of school population receiving reduced or free meals at school; a surrogate measure of neighborhood SES. School pairs (Santa Clara school / Contra Costa school) as follows:: 
3: Miner / Fair Oaks 
4: Sedgewick / Strandwood 
5: Sakamoto / Walnut Acres 
6: Toyon / Disco Bay 
7: Lietz / Belshaw