1. Theme 1: Personal influence
   1. Sub-theme 1: Vegetable preference
   2. Sub-theme 2: Convenience
   3. Sub-theme 3: Price
2. Theme 2: Social environmental influence
   1. Sub-theme 1: Parent influence
3. Theme 3: Physical environmental influence
   1. Sub-theme 1: Vegetable availability at home
   2. Sub-theme 2: Vegetable availability in school
   3. Sub-theme 3: Vegetable availability in community