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Table 1 Sociodemographic and clinical characteristics of 797 women with postpartum depression (PPD) and 39 women with a history of postpartum psychosis (PPP), N(%) unless otherwise specified

From: The PPD-ACT app in Canada: feasibility and a latent class analysis of participants with postpartum depression recruited to a psychiatric genetics study using a mobile application

Variable

PPD (n = 797)

PPP alone (n = 39)

Demographics

 Mean age (SD) in years

34.8 (7.9)

34.5 (8.8)

 Race/Ethnicitya

 White

691 (86.7)

33 (84.6)

 Asian

40 (5.0)

4 (10.3)

 Indigenous

23 (2.9)

< 5

 Black

8 (1.2)

< 5

 Hispanic

8 (1.2)

< 5

 Other

23 (2.0)

< 5

Time (SD) in years since index episode

4.7 (7.0)

5.7 (4.5)

Episode occurred in the past year

154 (19.3)

6 (15.4)

Clinical and Health Service Use Characteristics

 Mean (SD) Edinburgh postnatal depression scale (EPDS)

22.3 (3.8)

23.1 (4.5)

 Mean (SD) EPDS Anxiety Subscaleb

7.9 (1.4)

8.0 (1.5)

 EPDS Suicidalityc

298 (37.4)

21 (54.0)

 Self-reported physician diagnosis of psychosis

108 (13.6)

39 (100)

 Sought professional help for mental illness

552 (69.3)

35 (89.7)

 Hospitalized for mental illness

50 (6.3)

10 (25.6)

 Received medication for mental illness

393 (49.3)

29 (74.4)

PPD Characteristics

 Onset of depressive symptoms

 During first trimester of pregnancy

119 (14.9)

< 5

 During second trimester of pregnancy

73 (9.2)

< 5

 During third trimester of pregnancy

75 (9.4)

< 5

 0–4 weeks after delivery of pregnancy

380 (47.7)

6 (15.4)

 1–3 months after delivery of pregnancy

150 (18.8)

< 5

Length of depressive symptoms

 Less than 2 weeks

< 5

 2–4 weeks

76 (9.5)

< 5

 1–3 months

137 (17.2)

7 (17.9)

 3 or more months

584 (71.8)

28 (71.8)

Interference of depressive symptoms

 Never or rarely

4 (0.5)

0 (0)

 Rarely

58 (7.3)

4 (10.3)

 Sometimes

299 (37.5)

9 (23.1)

 Often

436 (54.7)

26 (66.7)

  1. aMissing n = 4 in PPD cases. Cells with < 5 suppressed for anonymity. bEPDS anxiety subscale calculated from items 3–5, (3:“I have blamed myself unnecessarily when things went wrong”), (4:“I have been anxious or worried for no good reason”), and (5:“I have felt scared or panicky for no very good reason”) cResponses of sometimes or often on EPDS item 10 (‘the thought of harming myself has occurred to me’)