| Content of the item | Response category | Descriptives |
---|---|---|---|
Demographic characteristics | Â | Â | Â |
Age: mean (SD) | Â | Â | 14.5 (0.9) |
Gender: % | Â | Â | Â |
Male | Â | Â | 49.5 |
Female | Â | Â | 50.5 |
Employment status: % | Â | Â | Â |
Both employed | Â | Â | 68.5 |
One parent unemployed | Â | Â | 26.7 |
Both unemployed | Â | Â | 4.9 |
Educational level: % | Â | Â | Â |
Mother: | Â | Â | Â |
Less than high school | Â | Â | 9.9 |
Completed high school | Â | Â | 25.1 |
Completed college | Â | Â | 40.4 |
Completed University | Â | Â | 24.6 |
Father: | Â | Â | Â |
Less than high school | Â | Â | 7.5 |
Completed high school | Â | Â | 36.0 |
Completed college | Â | Â | 26.6 |
Completed University | Â | Â | 29.8 |
Psychosocial variables: mean (SD) | Â | Â | Â |
Modeling (2 items) | How frequently participate family and friends in PA? | 5-point scalea | 3.6 (0.8) |
Social norm (2 items) | Does the family and friends think that they should participate regularly in PA? | 5-point scaleb | 3.5 (1.1) |
Social support from family (3 items) | Social support from family towards PA (e.do PA together, invite to do PA together, encourage to do PA) | 5-point scalec | 2.6 (0.9) |
Social support from friends (3 items) | Social support from friends towards PA (e.do PA together, invite to do PA together, encourage to do PA) | 5-point scalec | 3.0 (0.9) |
Self-efficacy towards internal barriers (7 items) | Confidence to do PA under potentially difficult situations (internal: e.g. feeling stressed, being unwell | 5-point scaled | 3.5 (0.8) |
Self-efficacy towards external barriers (6 items) | Confidence to do PA under potentially difficult situations (external: e.g. after a long and exhausting day, early in the morning) | 5-point scaled | 3.3 (0.9) |
Perceived benefits towards PA (18 items) | Agreement with possible positive effects of PA (e.g. losing weight, having fun) | 5-point scaleb | 3.7 (0.6) |
Perceived barriers towards PA (26 items) | Agreement with possible barriers, preventing the adolescent to do PA (e.g. external obstacles, lack of time, lack of interest) | 5-point scalec | 2.1 (0.6) |
Perceived neighborhood environmental attributes: mean (SD) | Â | Â | Â |
Residential density (5 items) | Presence of different types of residences (e.g. detached single family residences, row houses, apartments | 5-point scale e | 155.5 (45.2) |
Land use mix diversity (22 items) | Distance to local facilities (e.g. supermarket, post office, park, library) | 5-point scale f | 3.0 (0.8) |
Land use mix access (4 items) | Access to neighborhood services (e.g. ease to walk to public transport, possibilities to do shopping in local area) | 4-point scale g | 3.4 (0.6) |
Distance to school (1item) | Distance to the school of the adolescent | 5-point scale f | 2.30 (1.37) |
Connectivity (3 items) | Connectedness of street network (e.g. presence of intersections, dead-end streets, alternate routes) | 4-point scaleg | 2.9 (0.6) |
Walking infrastructure (4 items) | Availability and quality of walking infrastructure (e.g. footpaths on most streets, maintenance of footpaths, footpaths separated from streets) | 4-point scaleg | 2.9 (0.8) |
Cycling infrastructure (5 items) | Availability and quality of cycling infrastructure (e.g. cycling lanes in most streets, maintenance of cycling lanes, cycling lanes separated from streets) | 4-point scaleg | 2.2 (0.7) |
Safety for cycling (2 items) | Prevalence of bicycle theft and precautionary measures against bicycle theft | 4-point scaleg | 2.6 (0.8) |
Aesthetics (4 items) | Presence of aesthetic features (e.g. green spaces, attractive buildings, streets free from litter and graffiti) | 4-point scaleg | 2.6 (0.6) |
Safety for traffic (8 items) | Perceived safety from traffic problems (speed of traffic in neighborhood, availability of pedestrian crossings and traffic signals, exhaust fumes from cars) | 4-point scaleg | 2.8 (0.5) |
Safety for crime (5 items) | Perceived safety from crime (e.g. crime prevalence in the neighborhood, perceived safety from walking and cycling during the day and night) | 4-point scaleg | 3.4 (0.6) |
Convenience of recreation facilities (18 items) | Distance to PA facilities (e.g. soccer field, squash court, running track, swimming pool) | 5-point scalef | 2.9 (0.8) |
Active transport variables: | Â | Â | Â |
Active transport to and from school: mean min/day (SD) | Â | Â | 11.5 (14.5) |
Active transport to and from school: % that uses active transport to go to school | Â | Â | 54.5 |
Walking for transport during leisure time: mean min/day (SD) | Â | Â | 9.7 (11.7) |
Walking for transport during leisure time: % that walks for transport during leisure time | Â | Â | 65.8 |
Cycling for transport during leisure time: mean min/day (SD) | Â | Â | 8.2 (10.7) |
Cycling for transport during leisure time: % that cycles for transport during leisure time | Â | Â | 63.5 |