Table 4 Overview of source data from three studies and harmonisation process for derivation of ICAD_SchoolTravel2
Source data | Harmonisation | ||||
|---|---|---|---|---|---|
Study Wave | Variable(s): name(s), description | Summary | Category | Processing | Summary |
SPEEDY Wave: 1 | Variable name: W1_school_travel Mode of travel to school | Car, n = 923 Bus/train, n = 127 Bicycle, n = 189 On foot, n = 814 Missing, n = 11 | Active mode | If [W1_school_travel] = Bicycle OR On foot | n = 1003 |
Other mode | If [W1_school_travel] = Car OR Bus/train | n = 1050 | |||
Missing | If [W1_school_travel] = Missing | n = 11 | |||
KISS Wave: 1 | Variable name: a_schulweg_hin_sommer Mode of travel to school during summer | Walk, n = 392 Cycle/scooter, n = 51 Car, n = 7 Bus/train/tram, n = 3 Missing, n = 87 | Active mode | If [a_schulweg_hin_sommer] = Walk OR Cycle/scooter | n = 443 |
Other mode | If [a_schulweg_hin_sommer] = Car OR Bus/train/tram | n = 10 | |||
Missing | If [a_schulweg_hin_sommer] = Missing | n = 87 | |||
Ballabeina Wave: 1 | Variable name: W1_a_schulweg Mode of travel to school | Walk, n = 546 Cycle/scooter, n = 1 Bus/tram, n = 4 Car, n = 32 Other, n = 24 Missing, n = 62 | Active mode | If [W1_a_schulweg] = Walk OR Cycle/scooter | n = 547 |
Other mode | If [W1_a_schulweg] = Bus OR Car OR Other | n = 60 | |||
Missing | If [W1_a_schulweg] = Missing | n = 62 | |||