Short- and long-term effectiveness of a three-month individualized need-supportive physical activity counseling intervention at the workplace

Table 4 Short- and long-term intervention effects on participants meeting objectively assessed and self-reported MVPA and steps guidelines

	Intervention group			Reference group			Short-term intervention effect			Long-term intervention effect
	Baseline	Post (3 months)	Follow-up (9 months)	Baseline	Post (3 months)	Follow-up (9 months)	Main effect of time	2x2 interaction^a	ES	Main effect of time	3x2 interaction^b	ES
	%	%	%	%	%	%	χ ²	χ ²	d	χ ²	χ ²	d
SWA-based PA
Steps guideline^c, % meeting guideline
Weekdays	34	51	43	40	34	44	1.997	9.548**	0.37	3.658	10.107**	0.38
Weekend days	43	61	56	42	46	51	5.357*	1.580	0.15	6.071*	1.953	0.16
Average days	36	58	46	38	35	44	7.545**	12.422***	0.42	8.041*	13.910**	0.45
MVPA guideline^d, % meeting guideline
Weekdays	50	67	66	60	62	63	4.949*	2.804	0.20	5.617	2.787	0.20
Weekend days	63	72	69	43	62	58	8.751**	0.883	0.11	10.034**	1.048	0.12
Average days	55	76	71	53	69	63	21.261***	0.537	0.09	21.846***	0.721	0.10
Self-reported PA
MVPA guideline^d, % meeting guideline	61	83	76	63	66	81	10.167**	6.163*	0.29	15.406***	9.408**	0.36

SWA SenseWear Armband, PA physical activity, MVPA moderate-to-vigorous physical activity, ES Effect size
*p < .05, **p < .01, ***p < .001
^a2(time) x 2(group) interaction effect; ^b3(time) x 2(group) interaction effect; ^c ≥ 10,000 steps per day; ^d ≥ 30 min of daily moderate-to-vigorous physical activity

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