Table 1 Summary of demographics for the neuroimaging dataset and the dataset with complete neuroimaging and adversity scores data

From: The influence of early-life adversity on the coupling of structural and functional brain connectivity across childhood

 

Dataset

P value

Full MRI

Adversity + MRI

N = 549

N = 354

Sex

    

0.73

 Female

280

(51.0%)

176

(49.7%)

 

 Male

269

(49.0%)

178

(50.3%)

 

Ethnicity

    

0.58

 Chinese

295

(53.7%)

179

(50.6%)

 

 Indian

92

(16.8%)

56

(15.8%)

 

 Malay

161

(29.3%)

118

(33.3%)

 

 Other

1

(0.2%)

1

(0.3%)

 

Gestational age (weeks)

38.8

(±1.4)

38.9

(±1.3)

0.64

Maternal age at birth (years)

31.1

(±5.2)

30.8

(±5.1)

0.33

Highest maternal education

    

0.28

 None/primary

30

(5.5%)

19

(5.4%)

 

 Secondary/technical

218

(39.7%)

144

(40.7%)

 

 GCE ‘A’ levels/university

295

(53.7%)

191

(54.0%)

 

 Missing (NA)

6

(1.1%)

0

(0.0%)

 

Household monthly income (SGD)

    

0.28

 <2,000

80

(14.6%)

49

(13.8%)

 

 2,000–5,999

309

(56.3%)

211

(59.6%)

 

 ≥6,000

124

(22.6%)

81

(22.9%)

 

 Missing (NA)

36

(6.6%)

13

(3.7%)

 
  1. Continuous variables are presented as the mean ± s.d. (in parentheses). Two-sample t-tests were used to assess group differences for continuous variables. Fisher’s exact test for proportions was used to assess group differences for categorical variables. The P values reported are two-tailed. MRI, Magnetic resonance imaging; NA, Not available; SGD, Singapore dollars.
Back to article page