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Table 3 Univariate analysis for risk factors of acute PTSD profile

From: Post-traumatic stress disorder in parturients delivering by caesarean section and the implication of anaesthesia: a prospective cohort study

Risk factors

No PTSD-profile n = 155 N (%)

Confirmed PTSD-profile n = 20 N (%)

OR (95% CI)

P value a

Demographic characteristics and psycho-social factors

 Age

   < 31 yr

43 (27.7)

6 (30.0)

1 (reference)

0.88†

   ≥ 31 yrs. and <35 yrs

55 (35.5)

6 (30.0)

0.78 (0.23–2.59)

   > 36 yrs

57 (36.8)

8 (40.0)

1.0 (0.32–3.11)

 Pregnancy

  Past pregnancy

100 (64.5)

12 (60.0)

0.82 (0.31–2.14)

0.32

  Past childbirth

81 (52.3)

7 (35.0)

0.14 (0.18–1.29)

0.91

 Origin

  European

128 (82.6)

17 (85.0)

0.83 (0.22–3.05)

0.78

  Non-European

27 (17.4)

3 (15.0)

 Marital Status

  Married/In couple

148 (96.1)

18 (90.0)

0.36 (0.06–1.94)

0.22

  Single

6 (3.9)

2 (10.0)

 Education level parturient (ISCO-88)

    

  None to second level

68 (48.9)

12 (66.7)

0.47 (0.17–1.34)

0.15

  Third and fourth level

71 (51.1)

6 (33.3)

 Education level partner (ISCO-88)

  None to second level

66 (54.1)

9 (60.0)

0.78 (0.26–2.34)

0.66

  Third and fourth level

56 (45.9)

6 (40.0)

 Insurance

  None or standard

135 (87.1)

18 (90.0)

0.75 (0.16–3.47)

0.71

  High Premium

20 (12.9)

2 (10.0)

Anaesthesia-related procedurecharacteristics

 Type of anaesthesia

  General

5 (3.2)

2 (10.0)

1 (reference)

  Spinal

96 (61.9)

10 (50.0)

0.26 (0.04–1.52)

0.27†

  Spinal-epidural

54 (34.8)

8 (40.0)

0.37 (0.06–2.24)

 Certified anaesthetist

81 (52.3)

11 (55.0)

1.11 (0.43–2.84)

0.81

 Adjuvant to anaesthesia

  Midazolam, clonidine, ketamine

17 (11.0)

2 (10.0)

0.90 (0.19–4.23)

0.89

  Would have liked additional sedation

18 (11.8)

5 (25.0)

2.48 (0.80–7.64)

0.10

 Poor anaesthesia information(before, during, after procedure)

18 (11.8)

5 (25.0)

2.48 (0.80–7.64)

0.10

1st category of factors in PTSD model:Stressful event before or during childbirth

 Unexpected prematurity

22 (14.3)

4 (21.1)

1.6 (0.48–5.26)

0.43

 Emergency caesarean section

80 (51.6)

13 (65.0)

1.74 (0.65–4.59)

0.25

 Long duration of surgery (>50 min)

64 (41.3)

7 (38.9)

0.90 (0.33–2.46)

0.84

 Maternal prepartum complications

88 (56.8)

17 (85,0)

4.31 (1.21–15.33)

0.015

 Intra/postpartum maternal complications

95 (61.3)

17 (85.0)

3.57 (1.0–12.73)

0.03

 Anaesthetic complication

15 (9.7)

4 (20.0)

2.33 (0.69–7.88)

0.16

 Neonatal complications

26 (1.8)

5 (25.0)

1.65 (0.55–4.95)

0.36

2nd category of factors in PTSD model: Subjective appraisal of birth as being possibly traumatic

 Dissociation during C-section (PDEQ score)

  Low degree of dissociation

57 (37.5)

2 (10.5)

1 (reference)

  Intermediate degree of dissociation

51 (33.6)

8 (42.1)

4.47 (0.90–22.03)

0.02

  High degree of dissociation

44 (28.9)

9 (47.4)

5.83 (1.19–28.35)

3rd category of factors in PTSD model: Past morbidity or previous trauma and support from partner

 Past morbidity or previous trauma

  Past Psychiatric disorder

18 (11.7)

1 (5.0)

0.39 (0.05–3.1)

0.36

  Past traumatic experience

8 (7.6)

1 (9.1)

1.2 (0.13–10.7)

0.86

  Any other somatic disorder

94 (61.0)

17 (85.0)

3.6 (1.01–12.87)

0.03

  Past pregnancy abortion

73 (47.1)

7 (35.0)

0.60 (0.22–1.52)

0.53

  Past caesarean section

53 (34.2)

6 (30.0)

0.82 (0.30–2.27)

0.70

 Support from partner

  During pregnancy

149 (97.3)

19 (95.0)

0.51 (0.05–4.80)

0.95

  During caesarean section

138 (89.6)

18 (90.0)

1.04 (0.22–4.91)

0.54

  1. a Fisher exact test for values < 5
  2. P value for χ2 test for linear trend
  3. P value <0.05 in bold
  4. ┐┘P value of Chi square tests for trend