Table 2.
12 Months | 16 Months | 18 Months | 24 Months | 36 Months | 48 Months | 60 Months | 72 Months | |
---|---|---|---|---|---|---|---|---|
Fruit and vegetable | ||||||||
Theory | ||||||||
Combination (SCT + other) | Steptoe,a,b Kristal,a,b Toft,a,c McCarthya | Winetta | Campbell,a Lina,b | Tofta | Tofta,c | |||
SCT | Mosher,a Peters,b Pakiz,a Pierce,a Stevensa,b | Haegmana | Piercea | Piercea | ||||
SDT | Browna | |||||||
TTM | Proschaska,a,b Racette,b Johnsona | Proschaska,a,b Johnsona | ||||||
Fat | ||||||||
Theory | ||||||||
Combination (SCT + other) | Steptoe,b Kristal,a,b Toft,b McCarthyb | Linb | Toftb | Tofta,b | ||||
SCT | Mosher,a Peters,b Pakiz,a Pierce,a Stevensa,b | Haegmana | Piercea | Piercea | ||||
SDT | Browna | |||||||
TTM | Riebe,b Proschaska,a,b Racette,b Johnsona | Riebe,b Proschaska,a,b Johnsona |
Abbreviations: SCT, social cognitive theory; SDT, self-determination theory; TTM, transtheoretical model.
Difference between intervention and control group at time point (between-group difference).
difference from baseline at timepoint (within-group difference).
Vegetable only.