Table 1 Attributes and levels in the discrete choice experiment
Attributes | Levels | Description |
|---|---|---|
Average daily exercise time | 30听尘颈苍 | Average daily exercise time is 30听尘颈苍 |
| 听 | 1听h | Average daily exercise time is one hour |
| 听 | 1.5听h | Average daily exercise time is one and half hour |
| 听 | 2听h | Average daily exercise time is two hours |
Major Exercise Location | School | Major exercise place is at school |
| 听 | Home | Major exercise place is at home |
| 听 | Fitness Centre | Major exercise place is at fitness centre |
| 听 | Outdoor | Major exercise place is outdoor |
Average Sleep Duration | 7听h | Average daily sleeping duration is 7听h |
| 听 | 8听h | Average daily sleeping duration is 8听h |
| 听 | 9听h | Average daily sleeping duration is 9听h |
| 听 | 10听h | Average daily sleeping duration is 10听h |
| 听 | 11听h | Average daily sleeping duration is 11听h |
| 听 | 12听h | Average daily sleeping duration is 12听h |
Major Diet Mode | Low-fat diet | A low-fat diet is a dietary approach that restricts the intake of foods high in fat, particularly saturated and trans fats. It emphasizes the consumption of foods low in fat content, such as fruits, vegetables, whole grains, lean proteins, and low-fat dairy products. |
| 听 | Low-carbohydrate diet | A low-carbohydrate diet is a dietary approach that restricts the consumption of carbohydrates, particularly refined carbohydrates and sugars. It focuses on reducing the intake of foods like bread, pasta, rice, cereals, sweets, and sugary beverages. Instead, it emphasizes foods rich in protein, healthy fats, and non-starchy vegetables. |
| 听 | High-protein diet | A high-protein diet is a dietary approach that emphasizes the consumption of foods rich in protein while reducing the intake of carbohydrates and fats. It typically involves consuming foods such as lean meats, poultry, fish, eggs, dairy products, legumes, and certain plant-based protein sources. |
| 听 | Mediterranean Diet | The Mediterranean diet is a dietary pattern inspired by the traditional eating habits of people in countries bordering the Mediterranean Sea, such as Greece, Italy, and Spain. It is characterized by the consumption of plant-based foods, such as fruits, vegetables, whole grains, legumes, nuts, and seeds. Olive oil is the primary source of fat, replacing butter and other saturated fats. The diet also includes moderate amounts of fish, poultry, and dairy products, while red meat is consumed sparingly. |
| 听 | Ketogenic Diet | The ketogenic diet, often referred to as the keto diet, is a low-carbohydrate, high-fat diet that aims to induce a metabolic state called ketosis in the body. It involves drastically reducing carbohydrate intake and replacing it with an increased consumption of dietary fats and a moderate amount of protein. |
Early-/Late-Eating Mode | Early-eating mode | Having meals around 9 AM, 1 PM, and 5 PM. |
| 听 | Late-eating mode | Having meals around 1 PM, 5 PM, and 9 PM. |
Willingness to Spend Extra Expenses on Program | RMB 0 | Willing to pay nothing to the body weight control program |
| 听 | RMB 100 | Willing to pay 100 RMB to the body weight control program |
| 听 | RMB 200 | Willing to pay 200 RMB to the body weight control program |
| 听 | RMB 300 | Willing to pay 300 RMB to the body weight control program |
| 听 | RMB 400 | Willing to pay 400 RMB to the body weight control program |
| 听 | RMB 500 | Willing to pay 500 RMB to the body weight control program |