The purpose of this study is to determine whether a theory- and evidence-based intervention aiming to promote active transport for short distance travel among older adolescents is effective in increasing attitude, subjective norm, self-efficacy, awareness and habit towards active transport, and intention to use active transport after obtaining a driving license.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Masking
NONE
Enrollment
860
Change in perceived benefits towards active transport
Perceived benefits towards active transport (e.g. health, cost, parking lot, independence,...) will be assessed via seventeen items with a five-point answer format.
Time frame: The outcome will be measured at baseline (before start intervention), posttest (1 week after the intervention) and follow-up (8 weeks after the intervention)
Change in perceived barriers towards active transport
Perceived barriers towards active transport (e.g. time, accidents, weather, sweating,...) will be assessed via twenty-one items with a five-point answer format.
Time frame: The outcome will be measured at baseline (before start intervention), posttest (1 week after the intervention) and follow-up (8 weeks after the intervention)
Change in subjective norm towards active transport
Subjective norm towards active transport will be assessed via three items (family, friends, partner) with a five-point answer format.
Time frame: The outcome will be measured at baseline (before start intervention), posttest (1 week after the intervention) and follow-up (8 weeks after the intervention)
Change in self-efficacy towards active transport
Self-efficacy towards active transport (e.g. bad weather, darkness, when tired,...) will be assessed via eleven items with a five-point answer format.
Time frame: The outcome will be measured at baseline (before start intervention), posttest (1 week after the intervention) and follow-up (8 weeks after the intervention)
Change in awareness towards active transport
Awareness towards active transport (e.g. ecology, health benefits, private car ownership,...) will be assessed via eight items with a five-point answer format.
Time frame: The outcome will be measured at baseline (before start intervention), posttest (1 week after the intervention) and follow-up (8 weeks after the intervention)
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Change in habit towards active transport
Habit towards active transport (e.g. walking or cycling for transport is something I automatically do) will be assessed via four items with a five-point answer format.
Time frame: The outcome will be measured at baseline (before start intervention), posttest (1 week after the intervention) and follow-up (8 weeks after the intervention)
Change in intention to use active transport after obtaining a driving license
Intention to use active transport after obtaining a driving license will be assessed via three items with a five-point answer format (e.g. how much do you want to keep using active transport for short distances after obtaining a driving licence).
Time frame: The outcome will be measured at baseline (before start intervention), posttest (1 week after the intervention) and follow-up (8 weeks after the intervention)