From: Optimism and symptoms of anxiety and depression among Chinese women with breast cancer: the serial mediating effect of perceived social support and benefit finding
Mean (SD)
Min
Max
Possible range
Cronbach alpha
OPS
39.05 (9.61)
19
55
11–55
0.94
MSPSS
64.95 (11.25)
21
84
7–84
0.95
BFS
32.11 (13.52)
17
79
17–85
0.97
HADS
 Anxiety
6.23 (3.91)
0
0–21
0.87
 Depression
5.61 (4.21)
16
0.90