Table 2 Basic information of scales and descriptive item statistics

GAD-7

Nervous

1.Feeling nervous, anxious or on edge

0.86(0.73)

59%

Control Worry

2.Not being able to stop or control worrying

0.79(0.79)

66%

Worry A Lot

3.Worrying too much about different things

0.89(0.82)

63%

Relax

4.Trouble relaxing

0.81(0.82)

60%

Restless

5.Being so restless that it is hard to sit still

0.53(0.70)

50%

Irritable

6.Becoming easily annoyed or irritable

0.76(0.77)

57%

Afraid

7.Feeling afraid as if something awful might happen

0.54(0.71)

49%

PHQ-9

Anhedonia

1.Little interest or pleasure in doing things

0.87(0.73)

43%

Sad Mood

2.Feeling down, depressed or hopeless

0.83(0.69)

54%

Sleep

3.Trouble falling asleep, staying asleep, or sleeping too much

0.89(0.86)

41%

Energy

4.Feeling tired or having little energy

1.01(0.80)

56%

Appetite

5.Poor appetite or overeating

0.85(0.84)

37%

Guilt

6.Feeling bad about yourself – or that you’re a failure or have let yourself or your family down

0.77(0.79)

47%

Concentration

7.Trouble concentrating on things, such as reading the newspaper or watching television

0.88(0.85)

47%

Motor

8.Moving or speaking so slowly that other people could have noticed;or, the opposite – being so fidgety or restless that you have been moving around a lot more than usual

0.53(0.72)

44%

Suicide

9.Thoughts that you would be better off dead or of hurting yourself in some way

0.29(0.57)

31%