Table 2 Descriptions of independent variables included in the Stepwise Multiple Linear and Binary Logistic Regression Models (n = 384)

 Gender (X₁)

Male (0), Female (1)

Dummy

2

–

 Location of residence (X₂)

Suburb (0), Core area (1)

Dummy

2

–

 Age (X₃)

Respondents’ age (years)

Continuous

–

42.4

 Education (X₄)

Primary School (1), Secondary School (2), Bachelor’s Degree (3), Master’s Degree and higher (4)

Categories

4

–

 Occupation (X₅)

Not permanently employed (0), Permanently employed (1)

Dummy

2

–

 Household income (X₆)

Less than 25,000 Baht (1), 25,000–50,000 Baht (2), 50,001–75,000 Baht (3), 75,001–100,000 Baht (4), Higher than 100,000 Baht (5)

Categories

5

–

 Household size (X₇)

Number of household members

Continuous

–

3.9

 Children HHM (X₈)

No (0), Yes (1)

Dummy

2

–

 Elderly HHM (X₉)

No (0), Yes (1)

Dummy

2

–

 HHM with health problem (X₁₀)

No (0), Yes (1)

Dummy

2

–

 Vegetarian HHM (X₁₁)

No (0), Yes (1)

Dummy

2

–

 Access to information on OV (X₁₂)

Index of intensity

Continuous

5

0.55

 Knowledge on characteristics of OV (X₁₃)

Incorrect (0), Correct (1)

Dummy

2

–

 Environmental benefits (X₁₄)

Index of perception

Continuous

5

0.72

 Health benefits (X₁₅)

Index of perception

Continuous

5

0.78

 Quality (X₁₆)

Index of satisfaction

Continuous

5

0.77

 Labelling/certification (X₁₇)

Index of satisfaction

Continuous

5

0.75

 Access to market/stores (X₁₈)

Index of satisfaction

Continuous

5

0.55

 Variety (X₁₉)

Index of satisfaction

Continuous

5

0.56

 Price (X₂₀)

Index of satisfaction

Continuous

5

0.60