Figure 1.
Distribution of local politicians (district and/or county) between intervention and control local authorities and electoral wards.
Figure 2.
Flow of participants through the trial.
Table 1.
Response numbers and rates for all questionnaires and interviews with politicians.
Table 2.
Response numbers and rates from head teachers and road safety officers to the postal questionnaires.
Table 3.
Baseline characteristics of treatment groups. Values are numbers and % unless stated otherwise.
Table 4.
Primary outcome measures by treatment group at 25–30 months post intervention.
Table 5.
Secondary outcome measures by treatment group at 25–30 months post intervention.
Table 6.
Issues reported as being a ‘very big’ or ‘fairly big’ problem in their wards by local politicians at 1–3 months after baseline.