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Table 1 Personal characteristics and pregnancy/delivery information

From: Mother–infant interaction quality and sense of parenting competence at six months postpartum for first-time mothers in Taiwan: a multiple time series design

  CG (n = 40) EG (n = 41) t / χ2 value p value
Mother’s age, yrs 32.35 ± 2.80 33.49 ± 3.38 2.720 0.103
BMI, kg/m2 20.46 ± 2.17 20.49 ± 3.03 0.002 0.962
BW increase during pregnancy, kg 14.51 ± 3.90 15.29 ± 6.56 0.430 0.514
Father’s age, yrs 34.68 ± 3.94 36.15 ± 4.39 2.517 0.117
Infant BW, kg 3278.38 ± 377.06 3096.34 ± 371.54 4.789 0.032
Mother’s education    2.483 0.283
 High school 1 (2.5) 4 (9.8)   
 Junior college 26 (65.0) 21 (51.2)   
 College or above 13 (32.5) 16 (39.0)   
Mother’s work status    2.614 0.282
 Housewife 6 (15.0) 10 (24.4)   
 Part-time Job 2 (5.0) 0   
 Full-time job 32 (80.0) 31 (75.6)   
Father’s education    3.952 0.165
 High school 0 4 (9.7)   
 Junior college 20 (50.0) 17 (41.5)   
 College or above 20 (50.0) 21 (48.8)   
Father’s work status    1.307 0.513
 None 1 (2.5) 0   
 Part-time Job 3 (7.5) 2 (4.9)   
 Full-time job 36 (90.0) 39 (95.1)   
Abortion history 12 (30.0) 5 (12.2) 3.871 0.049
Pregnancy planned 27 (67.5) 29 (70.7) 0.099 0.753
Received parenting information 37 (92.5) 38 (92.7) 0.001 1.000
Delivery    2.102 0.147
 NSD 16 (40.0) 23 (56.1)   
 C/S 24 (60.0) 18 (43.9)   
Infant gender    0.307 0.579
 Boy 21 (52.5) 19 (46.3)   
 Girl 19 (47.5) 22 (53.7)   
  1. CG control group, EG experimental group
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