Table 2 Observed means & standard deviations (SD) (times/week) at all three time points and estimated intervention effect (intervention group (IG) vs. control group (CG)) at Time 1 and Time 2 (regression coefficients (Beta (B)) with 95% confidence intervals (CI)) for intake of the various fruit, vegetables and unhealthy snack items (times/week) based on multiple linear regression analyses

Model 1

N

N

N

Mean (SD) BL^¥

Mean (SD) Time 1

B

95% CI

p-value

Vegetables at dinner

IG

55

4.55 (2.71)

52

4.82 (2.35)

157

−.34

−1.00, .31

.304

CG

107

4.93 (2.52)

106

5.31 (2.37)

Vegetables on sandwiches

IG

55

2.52 (2.51)

52

3.12 (2.44)

155

.29

−.43, 1.00

.428

CG

105

2.68 (2.68)

106

2.87 (2.49)

Other vegetables

IG

55

3.62 (2.62)

51

4.14 (2.37)

156

−.03

−.84, .77

.936

CG

107

3.92 (2.60)

106

4.21 (3.10)

Fruit

IG

55

4.52 (2.56)

52

4.84 (2.39)

156

−.01

−.78, .76

.984

CG

106

5.35 (2.75)

106

5.23 (2.75)

Other fruits

IG

55

2.65 (2.32)

50

3.21 (2.35)

154

.36

−.43, 1.15

.369

CG

106

3.83 (2.75)

106

3.50 (2.71)

Potato chips

IG

52

1.36 (1.29)

52

1.33 (1.05)

152

.26

−.01, .53

.057

CG

106

1.33 (.98)

106

1.10 (.76)

Candy

IG

52

1.55 (1.02)

52

1.41 (.93)

151

.22

−.01, .45

.062

CG

105

1.46 (1.17)

106

1.20 (.69)

Soda with sugar

IG

49

1.95 (1.94)

51

1.47 (1.61)

143

.04

−.35, .43

.841

CG

102

1.64 (1.78)

103

1.33 (1.30)

Fruit squash

IG

52

2.27 (2.42)

51

1.75 (2.27)

148

.08

−.49, .65

.779

CG

103

1.59 (1.96)

106

1.40 (1.90)

Model 1

N

N

N

Variable

Mean (SD) BL^¥

Mean (SD) Time 2

B

CI

p-value

Vegetables at dinner

IG

55

4.55 (2.71)

52

4.95 (2.55)

158

−.02

−.73, .77

.959

CG

107

4.93 (2.52)

108

5.10 (2.57)

Vegetables on sandwiches

IG

55

2.52 (2.51)

52

3.68 (2.65)

155

1.11

.38, 1.85

.003*

CG

105

2.68 (2.68)

107

2.63 (2.28)

Other vegetables

IG

55

3.62 (2.62)

52

4.25 (2.56)

158

.50

−.31, 1.32

.225

CG

107

3.92 (2.60)

108

3.79 (2.68)

Fruit

IG

55

4.52 (2.56)

52

4.94 (2.59)

157

.18

−.62, .98

.656

CG

106

5.35 (2.75)

108

5.11 (2.71)

Other fruits

IG

55

2.62 (2.32)

52

3.15 (2.12)

157

.33

−.38, 1.04

.363

CG

106

3.83 (2.75)

108

3.04 (2.16)

Potato chips

IG

52

1.36 (1.29)

52

1.08 (.86)

153

.05

−.17, .27

.648

CG

106

1.33 (.98)

107

1.04 (.85)

Candy

IG

52

1.55 (1.02)

52

1.38 (1.39)

151

.24

−.08, .55

.135

CG

105

1.46 (1.17)

106

1.18 (.72)

Soda with sugar

IG

49

1.95 (1.94)

52

1.57 (1.79)

145

.36

−.05, .77

.084

CG

102

1.64 (1.78)

105

1.07 (1.02)

Fruit squash

IG

52

2.27 (2.42)

51

1.94 (2.31)

149

.21

−.39, .81

.498

CG

103

1.59 (1.96)

107

1.59 (2.05)