Skip to main content

Table 1 Summary of participant characteristics, baseline travel behaviour and exposure to intervention

From: Changes in mode of travel to work: a natural experimental study of new transport infrastructure

   All participants at wave 1 Analysis sample (valid wave 1 and wave 4) Participants in wave 1, but not wave 4 (drop-out)a
   n % mean st.d. n % mean st.d. n % mean st.d.
Distance from home to busway (km) 1155   6.6 7.8 466   6.5 7.9 659   6.7 7.7
Proximity to busway (-√km) 1155   −2.2 1.4 466   −2.1 1.4 659   −2.2 1.4
Commute distance (km) 1158   11.1 9.4 469   10.9 9.4 659   11.4 9.5
Change in commute distance (km)      450   0.2 4.9     
Change in travel time to work by public transport (min)      443   −0.1 11.1     
Change in proximity to busway (km)      450   0.2 4.9     
Moved home No      359 76.4       
  Yes      111 23.6       
Moved workplace No      357 76       
  Yes      113 24       
Gender Male 367 31.5    157 33.4    205 30.9   
  Female 797 68.5    313 66.6    459 69.1   
Age ≤30 197 17    58 12.4    135 20.4   
  31–40 327 28.2    111 23.7    207 31.3   
  41–50 305 26.3    139 29.6    160 24.2   
  51–60 246 21.2    122 26    114 17.2   
  61+ 85 7.3    39 8.3    46 6.95   
Education level Degree 837 72.3    350 74.6    471 71.4   
  Less than degree 321 27.7    119 25.4    189 28.6   
Housing tenure Not owner 319 27.5    103 22    204 30.9   
  Owner 840 72.5    365 78    457 69.1   
Driving licence No 113 9.7    37 7.9    72 10.9   
  Yes 1049 90.3    432 92.1    591 89.1   
Access to a bicycle No 182 15.7    63 13.5    191 28.8   
  Yes 974 84.3    404 86.51    473 71.2   
Children in household No 820 70.5    324 68.9    473 71.2   
  Yes 344 29.6    146 31.1    191 28.8   
New child in household No      444 94.5       
  Yes      26 5.5       
Physical health (PCS-8) 1156   53.7 6.3 468   53.9 6.3 658   53.6 6.4
Mental health (MCS-8) 1156   50.6 8.1 468   51.7 7.1 658   49.9 8.6
Limiting health condition No 1040 89.7    429 91.7    582 88.1   
  Yes 119 10.3    39 8.3    79 12   
Difficulty walking No 1143 98.5    464 98.9    651 98.3   
  Yes 18 1.6    5 1.1    11 1.7   
Type of settlement Urban (>10,000) 767 66    316 67.4    427 64.3   
  Town & Fringe 226 19.4    80 17.1    144 21.7   
  Village, Hamlet & Isolated Dwellings 170 14.6    73 15.6    93 14.0   
Car parking at work No 371 32.3    151 32.4    208 31.8   
  Yes, paid 351 30.6    143 30.7    201 30.7   
  Yes, free 427 37.2    172 36.9    245 37.5   
Change in car parking at work from parking to no parking No      405 86.2       
  Yes      65 13.8       
Car ownership No car 175 15.0    57 12.1    112 16.9   
  One car 525 45.1    225 47.9    287 43.2   
  Two or more cars 464 39.9    188 40.0    265 39.9   
Baseline proportion of trips involving any active travelb 1141   0.67 0.43 467   0.69 0.42 648   0.65 0.44
Baseline proportion of trips involving any public transportb 1141   0.15 0.32 467   0.15 0.32 648   0.14 0.32
Baseline proportion of trips made entirely by carb 1141   0.27 0.4 467   0.24 0.38 648   0.29 0.42
Baseline number of commute tripsc 1164   9.2 2.8 470   9.3 2.6 664   9.2 2.8
  1. aSignificant differences were found between the analysis sample and those excluded owing to dropout or other exclusion criteria in age, housing tenure, MCS-8, presence of a limiting health condition, and baseline car commute share
  2. bIf no trips had been made, the mode share was coded as missing
  3. cIncluding reports of zero trips where these were deemed to be true zeroes rather than missing values
\