Table 1.

Objectives of behavior change, target groups, sample sizes, lengths of follow-up periods, and attrition rates of the selected intervention studies

Author(s) and Year of Publication (n = 23)	Study Focus	Objectives of Behavior Change (Measurement Method)	Target Group	Sample Size	Length of the Study Follow- up in Months	Percent Attrition at Follow-up
Block et al, 2004 [53]	Nutrition	Fruit and vegetable consumption, fat intake, determinants of fruit and vegetable consumption and fat intake (self-report)	Adults	84	3	44
de Vet et al, 2008 [68]	Nutrition	Fruit and vegetable consumption (self-report)	Adults	775	Baseline + 1 week	18
Di Noia et al, 2008 [61]	Nutrition	Fruit and vegetable consumption, determinants of fruit and vegetable consumption (self-report)	Adolescents, minority	549	1	8
Irvine et al, 2004 [57]	Nutrition	Fruit and vegetable consumption, fat intake, determinants of dietary intake (self-report)	Healthy adults	517	2	10
Kroeze et al, 2008 [21]	Nutrition	Fat intake, dietary intake (self-report)	Healthy adults	442	6	13
Luszczynska et al, 2007 [58]	Nutrition	Fruit and vegetable consumption, determinants of fruit and vegetable consumption (self-report)	Healthy adults	285	6	30
Oenema et al, 2001 [23]	Nutrition	Determinants of fruit and vegetable consumption and fat intake (self-report)	Adults	204	Baseline	Immediately posttest
Oenema et al, 2005 [15]	Nutrition	Fruit and vegetable consumption, fat intake, determinants of fruit and vegetable consumption and fat intake (self-report)	Healthy adults	782	1	21
Papadaki and Scott, 2008 [62]	Nutrition	Mediterranean diet score, Fruit and vegetable consumption (self-report) blood lipids (objectively measured)	Women	72	9	27
Park et al, 2008 [63]	Nutrition	Determinants of fruit and vegetable consumption (self-report)	Young adults	160	1	14
Dunton and Robertson, 2008 [54]	Physical activity	Physical activity, determinants of physical activity (self-report)	Women, minority	156	3	29
Hageman et al, 2005 [56]	Physical activity	Physical activity (self report) cardiovascular fitness, % body fat, weight, flexibility (objectively measured)	Older women	31	3	3
Marcus et al, 2007 [59]	Physical activity	Physical activity (self-report), cardiovascular fitness (objectively measured)	Sedentary adults	249	12	12
Napolitano et al, 2003 [60]	Physical activity	Physical activity (self-report)	Sedentary adults	65	3	20
Spittaels et al, 2007 [65]	Physical activity	Physical activity (self-report) weight, blood pressure, % body fat (objectively measured)	Healthy adults	526	6	29
Spittaels et al, 2007 [72]	Physical activity	Physical activity (self-report)	Healthy adults	434	6	34
Wanner et al, 2009 [70]	Physical activity	Physical activity (objectively measured and self-report), determinants of physical activity (self-report)	Adults	1531	13	50
Frenn et al, 2005 [55]	Nutrition and physical activity	Fat intake, physical activity (self-report)	Adolescents, minority	178	1	23
Oenema et al, 2008 [71]	Nutrition and physical activity	Fat intake, physical activity (self-report)	Adults	2159	1	19
Booth et al, 2008 [22]	Weight management	Weight, waist circumference (objectively measured), dietary intake, physical activity (self-report)	Overweight or obese adults	73	3	27
Rothert et al, 2006 [64]	Weight management	Weight (self-report)	Overweight or obese adults	2862	6	80
Tate et al, 2001 [67]	Weight management	Weight, waist circumference (objectively measured), fat intake, dietary intake (self-report)	Overweight or obese adults	91	6	22
Tate et al, 2006 [66]	Weight management	Weight (objectively measured) dietary intake, fat intake, physical activity (self-report)	Overweight or obese adults	192	6	20