research of losing weight

* Gender
* Age
* 1. Have you ever experienced weight loss or intend to lose weight?
* 2. Do you think it is necessary for you to weight loss?
3. Have you tried any of the following ways to lose weight? 【Multiple】
4.1 Have you ever succeed in losing weight?
4.2 If yes, which of the following ways do you use? 【Multiple】
5.1 How do you lose weight by diet? (leave it if you do not have the experience)
* 5.2 What is your opinion about diet? 【Multiple】
6.1 How do you lose weight by sports? (leave it if you do not have the experience)
* 6.2 What is your opinion about sports? 【Multiple】
7.1 How do you lose weight by weight-reducing aid?
* 7.2 What is your opinion about weight-reducing aid? 【Multiple】
* 8. What is your opinion about bariatric surgery? 【Multiple】
* 9. Which way do you think is the best way to slim down? 【Multiple】
10. What makes you not choose weight-reducing aid to lose weight? 【Multiple】
* 11. Would you like to try new weight-reducing way if it is evented?
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