Vitalum study design: RCT evaluating the efficacy of tailored print communication and telephone motivational interviewing on multiple health behaviors

Table 1 Vitalum sample description (N = 1,629)

	%/Mean, SD (range)
Gender
% male	55
Age	57.1, 7.1 (44.9–70.9)
Native country
% the Netherlands	95
Education level*
% low	54
% intermediate	23
% high	23
Hypertension
% Hypertensive	52
Body Mass Index	27.4, 4.6 (15.2–46.7)
% < 18.5	1
% 18.5–25	31
% 25–30	45
% >= 30	22
Smoking behavior
% nonsmokers	78
Alcohol consumption**
Glasses/day	1.1, 1.4 (0–9)
% meeting guideline	86
Saturated fat intake
Fat score	17.8, 5.9 (2–37)
% meeting guideline	30
PA
Hours/week moderately physically active	4.7, 3.8 (0–20.2)
% >= 2.5 hours/week moderately physically active	61
Days/week moderately physically active	2.2, 1.6 (0–7)
% >= 5 days/week moderately physically active	6
% meeting guideline combined	0
Fruit consumption
Pieces of fruit/day	2.1, 1.6 (0–8.9)
% >= 2 pieces/day	41
Days/week at least 2 pieces/day	3, 2.5 (0–7)
% >= 7 days/week at least 2 pieces/day	13
% meeting guideline combined	11
Vegetable consumption
Grams of vegetables/day	165.2, 82.4 (0–494.7)
% >= 200 grams/day	31
Days/week at least 200 grams/day	4.1, 2.0 (0–7)
% >= 7 days/week at least 200 grams/day	11
% meeting guideline combined	7

* Education level was classified as: low in participants with no education, primary, lower secondary vocational, preparatory vocational or junior general secondary education; intermediate in participants with senior secondary vocational, technical secondary, upper vocational secondary, senior general secondary or university preparatory education; and high in participants with higher professional or university education [125-127].
** Participants were classified as meeting the alcohol consumption guideline if they consumed fewer than 3 glasses a day (men) or fewer than 2 glasses a day (women) [10].

ISSN: 1471-2458