Table 1.

Factor Loadings of Depression Search Index in Baidu.^a

Variables	Factor	Uniqueness
Depression	0.92	0.16
Melancholia	0.83	0.30
Obsessive-compulsive disorder (OCD)	0.88	0.22
Postpartum depression	0.82	0.32
Eigenvalue	3.00
Variance, %	74.98
Cronbach α	0.79

^a Principal component factor analysis. KMO = 0.83. Bartlett’s test of sphericity = 2.16e+05 (6), P < .001.