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Table 2 Contacts schedule for each participant in the intervention group.

From: Design of a RCT evaluating the (cost-) effectiveness of a lifestyle intervention for male construction workers at risk for cardiovascular disease: The Health under Construction study

T in weeks Event
0 Invitation for first face-to-face encounter.
1 Face-to-face contact
4 Telephone contact
8 Face-to-face contact
12 Telephone contact
16 Telephone contact
20 Face-to-face contact
23 Telephone contact
26 First follow-up measurement
52 Second follow-up measurement.