Table III.

Correlation between independent variables and the 2-minute walk test (2MWT) and 6-minute walk test (6MWT) distances

Independent variables	Belgium (n = 239)		Vietnam (n = 303)
	2MWT	6MWT	2MWT	6MWT
Age	–0.421 (< 0.001)	–0.390 (< 0.001)	–0.637 (< 0.001)	–0.630 (< 0.001)
Height	0.297 (< 0.001)	0.306 (< 0.001)	0.439 (< 0.001)	0.460 (< 0.001)
Sex	–0.255 (< 0.001)	–0.259 (< 0.001)	–0.291 (< 0.001)	–0.309 (< 0.001)
BMI	–0.281 (< 0.001)	–0.286 (< 0.001)	–0.147 (0.030)	–0.136 (0.052)
Weight	–0.077 (0.233)	–0.075 (0.250)	0.141 (0.014)	0.163 (0.004)
IPAQ-SF	–0.011 (0.864)	–0.045 (0.492)	0.029 (0.643)	0.041 (0.502)

IPAQ-SF: International Physical Activity Questionnaire Short Form.