"Table 1 Description, Factor Levels, Coding System, and Basic Statistics of the Explanatory Variables",,,,,,,
Explanatory variables,Description,Factor levels,Coding system in GLIM,Min,Max,Mean,Median
MODEL 1,,,,,,,
QNMm,Nonmotorcycle flow on major road (nmpd),,QNMm,"14,527","50,529","31,389","32,354"
QNMn,Nonmotorcycle flow on minor road (nmpd),,QNMn,"2,133","20,129","11,276","11,129"
QMm,Motorcycle flow on major road (mpd),,QMm,"5,510","21,899","12,228","10,792"
QMn,Motorcycle flow on minor road (mpd),,QMn,"1,752","4,771","3,183","3,142"
QPED,Pedestrian flow (pedestrians/hour),  ,QPED,0,235,36,19
SPEED,Approach speed (km/hour),,SPEED,53.00,68.00,59.57,59.50
LWm,Average lane width on major road (m),,LWm,3.30,4.00,3.58,3.60
LWn,Average lane width on minor road (m),,LWn,3.40,4.00,3.69,3.60
LNm,Number of lanes on major road (lanes/traffic direction),,LNm,2,5,2.6,2.0
LNn,Number of lanes on minor road (lanes/traffic direction),,LNn,1,3,1.6,2.0
NL,Number of legs,2,"(1) 3-legged
(2) 4-legged",1,2,1.5,1.0
SHDW,Average shoulder width on major and minor roads,3,"(1) SHDW = 0.00 m
(2) 0.00 < SHDW ? 1.00 m
(3) SHDW > 1.00m
",1,3,1.7,2.0
LU,Land-use category ,2,"(1) Noncommercial area
(2) Commercial area",1,2,1.7,2.0
MODEL 2,,,,,,,
Qmajor ,Traffic flow on major road (vehicles/day),,Qmajor,"20,043","72,428","43,617","42,258"
Qmajor ,Traffic flow on minor road (vehicles/day),,Qminor,"4,504","24,900","14,459","14,293"
SHD,Average shoulder width on major and minor roads (m),,SHD,0,1.3,0.5,0.9
Key: km = kilometers; m = meters; mpd = motorcycles per day; nmpd = nonmotorcycles per day.,,,,,,,