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 |