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Table 3 The descriptives statistics of MFA and PPD, and the comparisons between the smokers who quit and the persistent smokers

From: Correction to: The association of maternal-fetal attachment with smoking and smoking cessation during pregnancy in The FinnBrain Birth Cohort Study

  Quit smoking Continued smoking Between-groups difference
  N = 354 N = 255
  n Mean (SD) Median (range) n Mean (SD) Median (range) pa r
24 gwks
 MFAS 257 88.6 (10.0) 88 (57–113) 152 87.0 (10.0) 87 (44–112) 0.102 0.08
  Role taking 258 16.6 (2.7) 17 (8–20) 152 16.7 (2.6) 17 (7–20) 0.237 0.06
  Differentiation 258 15.7 (2.4) 16 (9–20) 152 15.6 (2.3) 16 (7–20) 0.644 0.02
  Interacting 258 17.1 (3.1) 17 (8–24) 152 17.0 (2.9) 17 (9–24) 0.574 0.03
  Attributing 257 19.1 (3.2) 19 (11–29) 152 19.0 (3.2) 19.0 (11–29) 0.773 0.01
  Giving 258 19.8 (2.4) 20 (13–25) 152 18.8 (2.6) 19 (8–25) < 0.001** 0.18
 EPDS 256 5.6 (4.1) 5 (0–20) 152 6.8 (4.5) 6 (0–23) 0.006** 0.14
 SCL-90 Anxiety 256 4.3 (4.5) 3 (0–24) 152 5.4 (4.7) 4 (0–20) 0.007** 0.13
34 gwks
 MFAS 236 93.9 (9.7) 93 (67–115) 137 91.8 (10.9) 91 (55–117) 0.093 0.09
  Role taking 236 17.3 (2.5) 18 (8–20) 138 17.0 (2.5) 17 (8–20) 0.136 0.08
  Differentiation 236 16.2 (2.3) 16 (10–20) 138 16.1 (2.2) 16 (10–20) 0.883 0.01
  Interacting 236 18.5 (2.7) 19 (12–25) 138 18.4 (3.0) 18 (10–25) 0.555 0.03
  Attributing 236 21.9 (3.3) 22 (12–28) 137 21.6 (3.7) 22 (12–30) 0.542 0.03
  Giving 236 20.1 (2.5) 20 (12–25) 138 18.8 (2.5) 18 (10–25) < 0.001** 0.26
 EPDS 235 5.4 (4.2) 5 (0–20) 138 6.8 (4.9) 6 (0–23) 0.007** 0.14
 SCL-90 Anxiety 235 3.5 (4.5) 2 (0–33) 139 4.5 (4.7) 3 (0–26) 0.016* 0.12
   n/N %   n/N % Χ2p Cramer’s ϕ
24 gwks EPDS≥10   36/256 14.1%   37/152 24.3% 0.009** 0.13
34 gwks EPDS≥10   42/235 17.9%   42/138 30.4% 0.005** 0.15
  1. The estimates are based on the original data, not the imputed dataset
  2. Attrition in the MFAS questionnaire responses was higher among the persistent smokers in comparison with the women who quit smoking during pregnancy (24gwks: 40.9% vs. 26.0, χ2 = 14.5, p < 0.001; 34 gwks: 46.8% vs. 29.6%, χ2 = 18.2, p < 0.001, respectively)
  3. MFAS Maternal-Fetal Attachment Scale and the subscales of Maternal-Fetal Attachment Scale: Role taking, Differentiation Differentiation of self from fetus, Interacting Interacting with the fetus, Attributing Attributing characteristics to the fetus and Giving Giving of self, EPDS Edinburgh (Pre) Postnatal Depression Scale, SCL-90 Anxiety Symptom Checklist − 90, the Anxiety Subscale
  4. * p-value <.05, **p-value <.01
  5. a Mann-Whitney U test