From Cars to Bikes - the Feasibility and Effect of Using E-bikes, Traditional Bikes and Longtail Bikes for Transportation Among Parents of Children Attending Kindergarten: a Randomized Cross-over Trial
| Registry | NCT03131518 |
|---|---|
| Status | Completed |
| Phase | Not applicable |
| Study type | Interventional; randomized, crossover, masking: none, basic science |
| Enrollment | 36 (Actual) |
| Sponsor | University of Agder (Other); collaborators: Stiftelsen Helse og Rehabilitering, The National Association for Public Health, Norway |
| Conditions | Bicycling Distance, Bicycling Time, Physical Activity Level, Cardiorespratory Fitness, Body Composition |
| Interventions | Access to an e-bicycle with trailer, Access to a longtail bicycle, Access to a traditional bike with trailer (Behavioral) |
| Dates | start 2017-06-02, primary completion 2018-06-25, completion 2018-06-25, first posted 2017-04-27, last updated 2018-06-29 |
| Locations | 1 site in Norway |
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There is a need for a greater understanding of e-bikes and their role in the transportation network, and further effects on physical activity (PA) levels and health. Moreover, longtail bikes could meet certain practical needs not sufficiently fulfilled by e-bikes or traditional bikes, hence increased knowledge regarding their potential and feasibility should be obtained. No intervention study has investigated whether providing an e-bike or a longtail bike over an extended period in a sample of inactive parents of toddlers influence objectively assessed amount of cycling, total PA level, potential mode shifts, and effect on cardiorespiratory fitness, body composition and blood pressure.
Objectives:
To assess the effect of an intervention where participants have access to an e-bike (including a trailer), a longtail bike and a traditional bike (including a trailer) on the following parameters:
1. Objectively assessed amount of biking, total levels of PA, and mode shifts from car/motorized modes to bicycle.
2. Cardiorespiratory fitness, blood pressure, body composition, self-reported health and health-related quality of life (HRQoL).
3. Experiences with bicycling (el/longtail/traditional) and intrinsic motivation for bicycling.
4. How season and weather conditions influence the amount of bicycling (el/longtail/traditional).
Study sample:
A convenience sample consisting of 36 inactive parents of toddlers will be recruited among residents in Kristiansand municipality, Southern Norway.
Measures:
The following measures will be conducted:
1. A web-based questionnaire will assess socio-demographics (at baseline only), transportation habits, self-perceived health and HRQoL, and motivation for bicycling for transportation. For the intervention group: at baseline and post all intervention arms, i.e. four times. For the control group: at baseline and after 9 months, i.e. two times.
2. Cycling time and distance will be assessed through usage of a cycle computer throughout the entire project period, in total nine months.
3. Time spent in moderate-to-vigorous PA (MVPA) will be estimated with the monitor SenseWear Armband Mini (SWA) for seven consecutive days at study start and after 9 months (post-intervention).
4. Cardiorespiratory fitness will be measured performing treadmill walking/running, and dual-energy X-ray absorptiometry (DXA) will be used for assessing body composition. In addition, blood pressure, body weight and height (height only at baseline) will be measured at baseline and after 9 months (post-intervention).
5. Participants' experiences with and motivation for usage of the different bicycle types will be explored in semi-structured focus group interviews after 3 months, 6 months and 9 months.
6. Weather data (temperature, rainfall, snow, etc.) will also be collected.
Scientific contribution:
The present study will add knowledge to relevant and topical areas, i.e. issues related to public health and environmental sustainability, among parents of toddlers, representing an important target group.There is a call for research on the influence of e-bikes on travel behavior and level of MVPA, and whether voluntary cycling with e-bikes could improve health. Moreover, to our knowledge no scientific studies have assessed possible effects of using a longtail bike, on the selected parameters. If the current study reveals promising results, it should be replicated in a larger and more representative sample of parents of toddlers, as well as in other important target groups (e.g. older adults). If findings are positive, inclusion in national public health policies should be considered.
| Arm | Type | Interventions | Description |
|---|---|---|---|
| E-bicycle | Other | Behavioral: Access to an e-bicycle with trailer | Access to an e-bicycle will be provided. |
| Longtail bicycle | Other | Behavioral: Access to a longtail bicycle | Access to a longtail bicycle will be provided. |
| Traditional bicycle | Other | Behavioral: Access to a traditional bike with trailer | Access to a traditional bicycle will be provided. |
Sex: All, ages: 18 Years to 67 Years, accepts healthy volunteers
Inclusion Criteria: * being able to understand and read Norwegian * having one child born in 2013, 2014 or 2015 attending kindergarten * being responsible for bringing/picking up the "study child" in the kindergarten ≥5 times per week/at least half of the times * residing 2-10 km from the workplace * residing <3 km from the kindergarten and the grocery shop * having car-access * possessing a smartphone * being between 167-190 cm tall (due to the size of accessible bicycles) * having the opportunity to store the bicycles indoors Exclusion Criteria: * having bicycled more than once weekly during the last 12 months to either the workplace, the kindergarten, or the grocery shop. * suffering from severe cardiovascular diseases or upper respiratory tract diseases.
| Facility | City | Country | Status |
|---|---|---|---|
| University of Agder | Kristiansand | Norway |