Table 3.

Website visits and use of different website functionalities throughout the study in the reference (R) and intervention (I) program.

Month	Study population		Website visits		Viewed advice physical activity		Viewed advice fruit and vegetables		Self- monitor	fat FFQ	Asked question
	R	I	R	I	R	I	R	I	I only	I only	I only
	n	n	%	%	%	%	%	%	%	%	%
1-3b	386	412	74	71	30	27	30	25	7	n/a	0
4-12	468	456	6	27a	2	3	2	3	6	15	3
13-15c	385	344	76a	66	23	18	26a	17	1	n/a	1
16-24c	385	344	2	3	1	0	1	0	0	n/a	0
25-28d	294	264	89	85	18a	11	19a	10	2	n/a	1

^a Chi-square, P<0.05

^b for one company (executive branch of government) no information was available for website use in the first three months of the study.

^c participants not responding to the first and second follow-up questionnaire were considered as drop-outs and not included in the analysis for 13-24 months.

^d participants not responding to the second follow-up questionnaire were considered as drop-outs and not included in the analysis for 25-28 months.