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Table 3 Descriptive statistics for confounders and covariates

From: Maternal metabolic syndrome in pregnancy and child development at age 5: exploring mediating mechanisms using cord blood markers

 

MetS classification (n = 537)

No MetS classification (n = 10,495)

Mean (SD)/N (%)

Range

Mean (SD)/N (%)

Range

Confounders

Maternal age

29.33 (5.86)

16–45

27.14 (5.55)

15–49

Maternal education

  ≥ A’ levels

146 (29.7%)

 

3887 (44.2%)

 

  < A’ levels

345 (70.3%)

 

4898 (55.8%)

 

Maternal alcohol history

 Yes

180 (33.5%)

 

2915 (30.6%)

 

 No

357 (66.5%)

 

6615 (69.4%)

 

Maternal smoking history

 Yes

114 (21.2%)

 

1546 (16.2%)

 

 No

423 (78.8%)

 

7992 (83.3%)

 

Index of multiple deprivation

 80–100%

384 (71.5%)

 

6276 (65.7%)

 

 60–80%

85 (15.8%)

 

1739 (18.2%)

 

 40–60%

46 (8.6%)

 

1083 (11.3%)

 

 20–40%

16 (2.9%)

 

280 (2.9%)

 

 0–20%

6 (1.2%)

 

172 (1.9%)

 

Covariates

Maternal ethnicity

 White British

310 (52.1%)

 

5229 (47.6%)

 

 Pakistani

225 (37.8%)

 

4309 (39.2%)

 

 Others

60 (10.1%)

 

1455 (13.2%)

 

Child sex

 Male

274 (51.0%)

 

5087 (48.5%)

 

 Female

263 (48.9%)

 

5407 (51.5%)

 

Child gestational age (weeks)

38.7 (2.02)

27–42

39.1 (1.82)

25–44

Child birthweight (kg)

3.31 (0.67)

0.67–5.7

3.21 (0.56)

0.48–5.32

  1. SD standard deviation, IQR interquartile range