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Table 1 Sample characteristics, Hospital Anxiety and Depression Scale, and Mother-to-Infant Bonding Scale scores

From: Relationships among autistic traits, depression, anxiety, and maternal–infant bonding in postpartum women

 

Phenotypes defined by AQ

Statistics

Normal

BAP*

MAP**

 

AQ score range

0 – 23

24 – 30

31 –

 

Number

2239

369

84

 

Sample characteristics

 Primiparous / multiparous (n)

1033 / 1206

189 / 180

41 / 43

χ2 = 3.41, P = 0.18

 Natural conception / others (n)

1984 / 224

329 / 37

78 / 6

χ2 = 0.81, P = 0.67

 Full term / preterm delivery (n)

2151 / 60

353 / 12

77 / 6

χ2 = 5.91, P = 0.052

 Vaginal delivery / caesarean section (n)

1864 / 363

306 / 59

72 / 12

χ2 = 0.24, P = 0.89

HADS

 Total mean scores [SD]

10.95 (6.00)

14.98 (6.71)

17.35 (6.73)

F = 105.56, P < 0.001#

 Anxiety mean scores [SD]

5.06 (3.60)

7.26 (4.15)

8.40 (4.13)

F = 83.17, P < 0.001#

 Depression mean scores [SD]

5.89 (3.24)

7.73 (3.57)

8.94 (3.62)

F = 78.28, P < 0.001#

MIBS

 Total mean scores [SD]

1.98 (2.41)

3.24 (3.19)

3.76 (3.06)

F = 54.60, P < 0.001#

 Lack of affection mean scores [SD]

0.93 (1.43)

1.50 (1.79)

1.86 (1.94)

F = 35.69, P < 0.001#

 Anger and rejection mean scores [SD]

0.33 (0.83)

0.66 (1.27)

0.79 (1.19)

F = 28.37, P < 0.001#

  1. Abbreviations: AQ Autism-Spectrum Quotient, BAP Broader Autism Phenotype, MAP Medium Autism Phenotype, HADS Hospital Anxiety and Depression Scale, MIBS Mother-to-Infant Bonding Scale, SD standard deviation
  2. BAP* is defined as AQ scores of 1 to 2 SDs above the mean. MAP** is defined as AQ scores of 2 SDs above the mean [30]
  3. #Level of significance set at P < 0.005 based on Bonferroni correction of 10 statistical tests