Table 1 Demographic information presented separately for males and females.

From: The impact of placental genomic risk for schizophrenia and birth asphyxia on brain development

Males

        

Pairwise comparisons

 
 

HC (n = 467)

 

SZ (n = 254)

 

Main effect Group

 

SZ vs HC

 
 

ASPH-

ASPH+

F/χ2 (df)

ASPH-

ASPH+

F/χ2 (df)

F/χ2 (df)

p

Mean differences (SE)

p

Sex, No. Males (%)

393 (84%)

74 (16%)

4.98 (1, 870)a*

226 (89%)

28 (11%)

0.57 (1, 433)

3.15 (1, 721)

0.076 b

 

(HC > SZ)

Ancestry, No. non-European (%)

5 (1%)

1 (1%)

0.00 (1, 467)

31 (14%)

4 (14%)

0.00 (1, 254)

47.89 (1, 721)

< 0.001

 

(SZ > HC)

Handedness, No. NR (%)

46 (12%)

6 (8%)

0.85 (1, 464)

31 (15%)

2 (8%)

0.92 (1, 230)

1.41 (1, 694)

0.235

 

-

Age, mean years (SD)

31.71 (7.88)

30.82 (7.17)

0.80 (1, 467)

27.00 (6.55)

28.14 (6.68)

0.76 (1, 254)

59.87 (1, 721)

< 0.001

−4.45 (0.58)

< 0.001

Education, years (SD)

14.51 (2.32)

14.16 (2.14)

1.46 (1, 464)

12.17 (2.56)

11.77 (1.68)

0.61 (1, 231)

151.33 (1, 695)

< 0.001

−2.33 (0.19)

< 0.001

Adult weight, kg (SD)

83.73 (12.57)

83.49 (14.14)

0.02 (1, 365)

84.78 (18.71)

89.55 (18.92)

1.56 (1, 242)

1.60 (1, 607)

0.207

1.62 (1.28)

0.207

Adult height, cm (SD)

182.80 (5.91)

180.69 (6.04)

6.39 (1, 367)*

180.48 (7.06)

180.07 (7.63)

0.08 (1, 244)

14.31 (1, 611)

< 0.001

−2.02 (0.53)

< 0.001

Adult ICV, cm3 (SD)

1654.71 (114.35)

1632.20 (109.57)

2.08 (1, 396)

1624.09 (122.06)

1692.82 (121.56)

2.93 (1, 133)

3.53 (1, 529)

0.061

−21.88 (11.64)

0.061

Gestational age, weeks (SD)

39.69 (1.86)

39.81 (2.75)

0.21 (1, 440)

39.49 (2.43)

38.62 (4.38)

2.44 (1, 237)

2.79 (1, 677)

0.095

−0.31 (0.18)

0.095

Birth weight, grams (SD)

3595.46 (555.48)

3555.68 (746.94)

0.28 (1, 466)

3545.67 (548.22)

3287.86 (896.24)

4.67 (1,253)*

2.42 (1, 719)

0.120

−72.01 (46.31)

0.120

SGA, No. SGA (%)

48 (13%)

4 (6%)

2.74 (1, 439)

19 (9%)

5 (19%)

2.63 (1, 236)

0.43 (1, 675)

0.511

 

-

Neonatal head circumference, cm (SD)

35.54 (1.57)

35.35 (1.50)

0.55 (1, 275)

35.41 (1.44)

35.87 (1.64)

1.37 (1, 175)

0.17 (1, 450)

0.685

−0.06 (0.15)

0.685

Females

        

Pairwise comparisons

 
 

HC (n = 403)

 

SZ (n = 179)

 

Main effect Group

 

SZ vs HC

 
 

ASPH-

ASPH+

F/χ2 (df)

ASPH-

ASPH+

F/χ2 (df)

F/χ2 (df)

p

Mean differences (SE)

p

Sex, No. Females

360 (89%)

43 (11%)

4.98 (1, 870)a*

155 (87%)

24 (13%)

0.57 (1, 433)

0.91 (1, 582)

0.340

 

-

Ancestry, No. non-European (%)

8 (2%)

0 (0%)

0.98 (1, 402)

14 (9%)

4 (17%)

1.34 (1,179)

18.85 (1, 581)

< 0.001

 

(SZ > HC)

Handedness, No. NR (%)

35 (10%)

3 (7%)

0.30 (1, 400)

17 (12%)

2 (11%)

0.01 (1, 159)

0.75 (1, 559)

0.388

 

-

Age, mean years (SD)

30.97 (7.99)

28.70 (6.60)

3.22 (1, 403)

27.17 (7.21)

26.42 (6.90)

0.23 (1, 179)

28.19 (1, 582)

< 0.001

−3.65 (0.69)

< 0.001

Education, years (SD)

14.58 (2.09)

14.60 (2.03)

0.00 (1, 400)

12.44 (2.74)

11.42 (1.61)

2.49 (1, 159)

115.39 (1, 559)

< 0.001

−2.27 (0.21)

< 0.001

Adult weight, kg (SD)

66.47 (10.69)

65.29 (12.54)

0.34 (1, 290)

73.42 (18.13)

65.83 (11.47)

3.94 (1, 170)*

20.62 (1, 460)

< 0.001

6.02 (1.33)

< 0.001

Adult height, cm (SD)

168.13 (6.19)

166.70 (4.47)

1.65 (1, 292)

167.40 (5.72)

167.42 (5.71)

0.00 (1, 173)

0.98 (1, 465)

0.323

−0.56 (0.57)

0.323

Adult ICV, cm3 (SD)

1455.92 (94.73)

1437.40 (84.81)

1.27 (1, 298)

1429.52 (118.51)

1446.44 (104.75)

0.22 (1, 84)

3.14 (1, 382)

0.077

−21.68 (12.23)

0.077

Gestational age, weeks (SD)

40.02 (1.57)

40.41 (1.61)

2.21 (1, 384)

39.89 (1.85)

39.82 (2.72)

0.03 (1, 167)

1.37 (1, 551)

0.242

−0.19 (0.16)

0.242

Birth weight, grams (SD)

3454.22 (497.64)

3383.26 (83.86)

0.79 (1, 403)

3469.28 (478.14)

3334.58 (842.66)

1.30 (1, 179)

0.10 (1, 582)

0.921

4.57 (45.81)

0.921

SGA, No. SGA (%)

38 (11%)

6 (14%)

0.37 (1, 384)

14 (10%)

5 (23%)

3.24 (1, 167)

0.00 (1, 675)

0.978

 

-

Neonatal head circumference, cm (SD)

34.96 (1.31)

34.91 (1.42)

0.04 (1, 257)

34.86 (1.20)

34.81 (1.64)

0.02 (1, 122)

0.50 (1, 379)

0.481

−0.10 (0.14)

0.481

  1. HC Healthy controls, SZ Patients with schizophrenia, NR Non-right-handed, SD Standard deviation, df degrees of freedom, SE Standard error of mean, ICV Intracranial volume, SGA Small for gestational age.
  2. aSignificantly more males with ASPH than females with ASPH.
  3. bSignificantly more HC males with ASPH than SZ males with ASPH using the One-sided Fisher’s Exact Test = 0.047.
  4. *p < 0.05.