Time series analysis of anxiety and depression during pregnancy to postpartum depression based on cross-lagged model

Table 4 Correlation analysis of anxiety scores and depression scores at different time points from pregnancy to 6 weeks postpartum (r)

Variable	1	2	3	4	5	6	7
Early pregnancy anxiety score	1.000
Early pregnancy depression score	0.6171	1.000
Mid pregnancy anxiety score	0.7251	0.5421	1.000
Mid pregnancy depression score	0.3451	0.4311	0.6081	1.000
Late pregnancy anxiety score	0.2741	0.4581	0.4911	0.5491	1.000
Late pregnancy depression score	0.3131	0.3521	0.3741	0.4831	0.5071	1.000
Postpartum depression score	-0.2751	-0.4451	-0.5431	-0.5431	-0.4761	-0.4191	1.000

¹P < 0.001.