Table 2.

Effects of the intervention on the physical activity levels

Variable	IG	CG	P value
PA levels (month 0)	(n=220)	(n=202)
MET min/week, mean (SD)
Vigorous PA	11 (104)	12 (125)	0.917
Moderate PA	139 (351)	171 (533)	0.463
Walk	583 (624)	731 (716)	0.030
Total PA	749 (775)	886 (876)	0.092
PA levels (month 3)	(n=220)	(n=202)
MET min/week, mean (SD)
Vigorous PA	172 (647)	180 (1145)	0.928
Moderate PA	882 (1139)	520 (1778)	0.012
Walk	1362 (1594)	967 (988)	0.003
Total PA	2416 (2154)	1666 (2819)	0.002
PA levels (month 9)	(n=200)	(n=158)
MET min/week, mean (SD)
Vigorous PA	109 (489)	136 (705)	0.668
Moderate PA	516 (980)	255 (1364)	0.034
Walk	1494 (1598)	904 (1057)	0.000
Total PA	2120 (1994)	1295 (2154)	0.000
PA levels (month 15)	(n=195)	(n=144)
MET min/week, mean (SD)
Vigorous PA	48 (300)	67 (451)	0.636
Moderate PA	387 (1167)	206 (788)	0.084
Walk	937 (956)	646 (818)	0.002
Total PA	1373 (1845)	919 (1454)	0.009

CG, control group; IG, intervention group; MET, metabolic equivalent; PA, physical activity.