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Table 3 Associations of gender and parental socioeconomic factors with gestational age acceleration. N = 863

From: Epigenetic gestational age acceleration: a prospective cohort study investigating associations with familial, sociodemographic and birth characteristics

Exposure Mean difference in gestational age acceleration (days)
Mean difference 95% CI p
Female − 0.8 − 1.4, − 0.1 0.024
High/non-manual parental social class 0.1 − 0.9, 1.0 0.91
Maternal education
 Degree (Ref)   0.72
 A level 0.8 − 0.1, 1.8  
 O level − 0.1 − 1.0, 0.8  
 Less than O level − 0.3 − 1.4, 0.8  
Paternal education
 Degree (Ref)   0.51
 A level − 0.8 − 1.6, 0.1  
 O level − 0.2 − 1.2, 0.7  
 Less than O level 0.3 − 0.7, 1.2  
Housing tenure
 Owned/mortgaged (Ref)   0.42
 Rented (private) 0.7 − 1.1, 2.5  
 Rented (council/HA) 0.2 − 1.1, 1.5  
Financial difficulties
 None (Ref)   0.55
 Some − 0.1 − 0.8, 0.6  
 Many − 0.4 − 1.3, 0.6  
  1. Results are from multiply imputed data; coefficients are mean differences adjusted for sex (except for when sex is the exposure) and cell type proportion