Table 1 Item and instrument descriptive statistics and reliability indices (n = 135)

Had little interest or enjoyment in doing things? (p1)

1.29

1.13

0.78

Felt down, depressed, or hopeless? (p2)

1.29

1.13

0.74

Had trouble falling or staying asleep, or sleeping too much? (p3)

1.55

1.22

0.75

Felt tired or having little energy? (p4)

1.35

1.10

0.73

Had a poor appetite or overeating? (p5)

1.45

1.18

0.76

Felt bad about yourself—or that you have let yourself or someone you cared about down? (p6)

1.02

1.18

0.77

Had trouble concentrating on things, such as reading or listening to music? (p7)

0.88

1.11

0.76

Moved more slowly, or the opposite, more quickly than usual? (p8)

1.00

1.22

0.74

PHQ-2

2.59

1.81

0.45

PHQ-8

9.91

6.00

0.78

Sequential screening

–

–

–