Table 1 Means and VIF scores of dependent and explanatory variables

Dependent variables

Fruit intake

1if eating fruits one or more servings per day, 0 otherwise

0.473 (0.499)

–

Vegetable intake

1if eating vegetables one or more servings per day, 0 otherwise

0.571 (0.495)

–

Independent variables: (0/1) Dummy variables

Gender

1 if male, 0 otherwise

0.456 (0.498)

1.898

Married

1 if married, 0 otherwise

0.686 (0.464)

1.468

No school

1 if no school, 0 otherwise (reference group)

0.128 (0.335)

–

Elementary school

1 if elementary school diploma,0 otherwise

0.329 (0.470)

2.532

Secondary school

1 if secondary school diploma,0 otherwise

0.174 (0.379)

2.253

High school

1 if high school diploma,0 otherwise

0.190 (0.392)

2.308

Community college

1 if a two-year community college, 0 otherwise

0.055 (0.227)

1.538

College

1 if college degree including post-graduate, 0 otherwise

0.125 (0.331)

2.295

Student & Military

1 if the individual is a student or in military service, 0 otherwise

0.076 (0.265)

–

Wage Job

1 if the person is paid, 0 otherwise

0.287 (0.453)

4.817

Employer

1 if the individual is the employer, 0 otherwise

0.095 (0.294)

2.859

Job seekers

1 if the person seeks a job, 0 otherwise

0.059 (0.235)

1.855

Retired

1 if retired, 0 otherwise

0.143 (0.350)

4.721

Homemaker

1 if the person works as a homemaker, 0 otherwise

0.340 (0.474)

5.738

Normal weight

1 if the individual has a normal weight, 0 otherwise (reference group)

0.419 (0.494)

–

Overweight

1 if BMI > 25and BM I ≤ 30, 0 otherwise

0.358 (0.479)

1.323

Obese

1 if BMI > 30and BMI ≤ 35, 0 otherwise

0.165 (0.371)

1.305

Morbidly obese

1 if BMI > 35, 0 otherwise

0.058 (0.235)

1.156

General health insurance

1 if general health coverage, 0 otherwise

0.921 (0.270)

0.946

Private health insurance

1 if pays health expenses out of pocket, 0 otherwise

0.037 (0.190)

1.125

Cycling

1 if cycling for 10 min at least a day a week, 0 otherwise

0.171 (0.376)

1.054

Walking < 10 min

1 if the person walks less than 10 min on a normal day, 0 otherwise

0.168 (0.374)

–

Walking 10–29 min

1 if the person walks less than 10–29 min on a normal day, 0 otherwise

0.392 (0.488)

2.010

Walking 30–59 min

1 if the person walks less than 30–59 min on a normal day, 0 otherwise

0.269 (0.444)

1.949

Walking 1–2 h

1 if a person walks for 1–2 h on a normal day, 0 otherwise

0.118 (0.323)

1.566

Walking > 2 h

1 if the person walks for more than 2 h on a normal day, 0 otherwise

0.050 (0.218)

1.291

Resting

1 if the person sits and rests less than 4 h is a day, 0 otherwise

0.356 (0.479)

1.085

Light physical job

1 if the person works in a mostly sitting or standing job, 0 otherwise (reference group)

0.636 (0.481)

–

Moderate physical job

1 if the person works in a job that often requires walking or moderate physical strength, 0 otherwise

0.323 (0.468)

1.146

Demanding physical job

1 if the person works in jobs that require heavy work or physical strength, 0 otherwise

0.040 (0.196)

1.131

Low income

1 household income less than 992₺, 0 otherwise

0.047 (0.211)

1.058

Middle income

1 household income between 992–8913₺, 0 otherwise (reference group)

0.898 (0.303)

–

High income

1 household income greater than 8913 ₺, 0 otherwise

0.056 (0.229)

1.153

Eastern Anatolia

1 the Eastern Anatolia resident, 0 otherwise (reference group)

0.072 (0.259)

–

Marmara

1 if Marmara resident, 0 otherwise

0.284 (0.451)

3.164

Aegean

1 if Central Aegean resident, 0 otherwise

0.055 (0.228)

1.575

Mediterranean

1 if Mediterranean region resident, 0 otherwise

0.101 (0.301)

2.027

Black Sea

1 if Black Sea region resident, 0 otherwise

0.284 (0.451)

3.144

Central Anatolia

1 if Central Anatolia region resident, 0 otherwise

0.161 (0.368)

2.469

Southeastern Anatolia

1 if Southeastern Anatolia region resident, 0 otherwise

0.042 (0.201)

1.447

Independent variables: Continuous variables

Age

Age of the person in years

43.954 (17.673)

2.441

Sports Time

Time devoting sports on a day

0.264 (1.355)

1.054

Tobacco

Amount of packs used per day

0.011 (0.022)

1.193

Alcohol

Number of glasses used per day

1.800 (3.159)

1.246

Number of children under 7

The number of children between the ages of 0–6

0.343 (0.674)

1.248

Number of kids ages 7–14

The number of children between the ages of 7–14

0.434 (0.767)

1.113

Number of adults

The number of persons 15 years or older

2.561 (1.137)

0.963

# of individuals

17,084

# of families

8166