gender
0 = female
1 = male

province
1 = 安徽
2 = 北京
3 = 福建
4 = 甘肃
5 = 广东
6 = 广西
7 = 江西
8 = 贵州
9 = 江苏
10 = 海南
11 = 河北
12 = 河南
13 = 黑龙江
14 = 湖北
15 = 湖南
16 = 吉林
17 = 山东
18 = 辽宁
19 = 内蒙古
20 = 宁夏
21 = 青海
22 = 山西
23 = 陕西
24 = 上海
25 = 四川
26 = 台湾
27 = 天津
28 = 西藏
29 = 香港
30 = 新疆
31 = 云南
32 = 浙江
33 = 重庆

To what extent have you been positively affected by news coverage of COVID-19?
1 = almost none
2 = general
3 = extreme

Classmates and friends often say that I spend too much time on my smartphone.
1 = strongly disagree
2 = disagree
3 = not sure
4 = agree
5 = strongly agree

In the past two weeks, how often have I been bothered by some trifles in my life?
0 = rarely or none of the time (less than 1 day)
1 = not much time（1-2 days）
2 = sometimes or half the time（3-4 days）
3 = most or all of the time (5-7 days)

In the past two weeks, how often have I felt nervous, anxious or anxious in my life?
0 = never
1 = several days
2 = more than 1 week
3 = almost every day