The Contribution of Home, Neighbourhood and School Environmental Factors in Explaining Physical Activity among Adolescents

Table 1

Summary of environmental scales, items, response categories, intraclass correlations (reliability), and pearsons’ correlations (Validity).

Scale (composition)	Item	Response category	ICC	Pearson r
Convenience of facilities for adolescents (6 items)	About how long would it take to get from your home to: school, the sports room, the football court, the cinema, the playground and the swimming pool?	5-point scale (a)	0.63^‡	0.46*
Density (3 items)	How common is each type of residence in your neighborhood: Detached single-family residence, Row house, Apartment	3-point scale(b)	0.49^†	0.55^†
Sedentary equipment (3 items)	How many computers/TV’s do you have at home? Do you have a playstation?	5-point scale(c) Yes/No	0.95^‡	0.95^‡
Physical activity equipment (13 items)	Indicate which items you have at home: Bicycle, running shoes, trampoline, table tennis, swimming pool, fitness equipment, step, roller blades, tennis/badminton rackets, basketball goal, rope, football, skateboard	Yes/No	0.88^‡	0.91^‡

(a)Five-point scale: 1–5, 6–10, 11–20, 21–30, >30 minutes; (b)Threethree-point scale: none, much, a lot; (c)Fivefive-point scale: 0,1,2,3,4,>4. *𝑃≤.05, ^†𝑃≤.01, ^‡𝑃≤.001.