Measuring physical activity-related environmental factors: reliability and predictive validity of the European environmental questionnaire ALPHA

Table 4 First field testing (N = 190): Pearson correlations between the ALPHA questionnaire and ALPHA short with long last 7 day IPAQ, stratified by sex (only statistically significant values are shown).

ALPHA & IPAQ
Name of the scale (number of items in the questionnaire)	Sex^a	Total PA	MVPA	Walking for transport	Cycling for transport	Total transport	Total walking	Leisure time PA	Home PA
Density score (1a, 1b, 1c)	Male
	Female			0.20*			0.21*
Distance to local facilities (2a to 2h)	Male	-		-0.33**				-0.32**
	Female	0.25*		-0.20*
Availability of sidewalks (3c, 3d)	Male			0.32*
	Female		-0.20*		-0.19*
Maintenance (4a, 4b, 4c, 4d)	Male					0.30*
	Female
Safety from traffic (reversed 5b, 5c, 5d)	Male
	Female			-0.31**		-0.30**	-0.22*	0.22*
Aesthetics (6b, 6c, 6d)	Male
	Female		0.19*	-0.25**		-0.23*
Cycling and walking network (7a, 7d)	Male						0.24*
	Female
Connectivity (7b, 7c, 7d)	Male						0.28*
	Female
Home environment (8a to 8f)	Male							0.38**
	Female								0.20*
Workplace or study environment (9a to 9j)	Male		0.33**		0.25*			0.34**
	Female
ALPHA short & IPAQ
Total sum of 11 items	Male		0.34**					0.25*
	Female				0.21*

^a men: N = 70, women: N = 120
Total_PA: total minutes PA/week (low, moderate, vigorous in all domains); MVPA:total minutes PA/week at moderate to vigorous intensity; walking for transport: total minutes transport-related walking/week; Cycling for transport: total minutes transport-related cycling/week; Total transport: total minutes PA/week by active transportation (walking and/or cycling for transport); Total walking: total minutes walking/week (job, transport, leisure time); Leisure time PA:total minutes PA/week in leisure time; Home PA: total minutes PA/week in and around the house (inclusive gardening); * p < 0.05; ** p < 0.01

ISSN: 1479-5868