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Table 3 Regression models predicting fruit and juice intake

From: Distance to food stores & adolescent male fruit and vegetable consumption: mediation effects

 

Step One (Personal characteristic

Step Two (Step 1 + nearest environmental variables)

Step Three (Step 1 + psychosocial variables)

Step Five (Step 1 + nearest environmental & psychosocial variables)

Variable

Coeff)

Z

P

Coeff

Z

P

Coeff

Z

P

Coeff

Z

P

BMI %tile

0.00

1.04

0.299

0.01

1.23

0.220

0.01

1.29

0.198

0.01

1.46

0.145

Age

-0.22

-1.24

0.216

-0.22

-1.26

0.207

-0.10

-0.65

0.516

-0.11

-0.72

0.474

PG (ref GED)

-0.35

-0.39

0.693

-0.07

-0.08

0.938

-0.69

-0.88

0.381

-0.47

-0.60

0.548

College

-0.99

-1.10

0.270

-0.76

-0.85

0.397

-1.22

-1.56

0.119

-1.04

-1.32

0.186

Tech College

-1.42

-1.49

0.135

-1.17

-1.26

0.209

-1.26

-1.51

0.130

-1.09

-1.33

0.182

Ethnicity (ref Anglo)

-0.49

-1.10

0.271

-0.72

-1.59

0.111

-0.38

-0.95

0.341

-1.39

-1.39

0.164

Social Desirability

0.03

1.12

0.262

0.03

1.09

0.277

0.02

0.94

0.347

0.03

0.97

0.332

Distance to Small Food Store

-

-

-

0.00

3.07

0.002

 

-

-

0.00

2.63

0.008

Distance to Fast Food

-

-

-

-0.00

-2.76

0.006

 

-

-

-0.00

-2.52

0.012

FJ Home Availability

-

-

-

-

-

-

0.27

6.37

< 0.001

0.27

6.38

< 0.001

FJ Preferences

-

-

-

-

-

-

0.06

2.80

0.005

0.05

2.31

0.021

Within Troop R 2

0.0468

0.0937

0.2495

0.2877

Between Troop R 2

0.0297

0.1317

0.5398

0.5380

Overall R 2

0.0523

0.1064

0.2485

0.3155

  1. Step Four:
  2. Distance to the nearest Small Food Store (SFS) was associated with FJ preferences (z = 2.17, p = 0.030) but not availability of fruit and juice (z = 0.04, p = 0.968).
  3. Distance to the nearest fast food restaurant was not associated with FJ preferences (z = 0.35, p = 0.724) or FJ availability (z = -0.57, p = 0.570)
  4. Sobel test indicated that Fruit and Juice preferences partially mediated (34%) the relationship between distance to nearest Small Food Store (SFS) and low fat vegetable intake (z = 1.805, p = 0.071)