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Table 5 Mediation analysis of the association between socioeconomic status at birth and of FEV1 (mL) at 15 years of age among girls (N = 2036)

From: Socioeconomic trajectory from birth to adolescence and lung function: prospective birth cohort study

Variable (model) Beta (SE) Change in beta value (%) p-value
Socioeconomic status at birth (1) 70.0 (11.8) 0 < 0.001 1.7
1 + height (2) 31.0 (10.1) -55.7 0.002 29.5
2 + weight (3) 30.6 (9.8) -56.3 0.002 33.0
3 + skin color (4) 16.8 (9.8) -76.0 0.087 35.0
4 + pubertal stage (5) 18.5 (10.0) -73.6 0.064 35.1
5 + allergy (6) 19.1 (10.0) -72.7 0.057 35.2
6 + parental smoking in 2004 (7) 28.9 (11.8) -58.7 0.014 35.2
7 + parental wheezing in 2004 (8) 29.3 (11.9) -58.1 0.014 34.6
8 + adolescent wheezing (9) 30.1 (11.9) -57.0 0.012 34.9
9 + adolescent smoking (10) 31.3 (12.0) -55.3 0.009 34.9
10 + age (11) 31.3 (12.0) -55.3 0.009 34.9
11 + physical activity (12) 31.3 (12.0) -55.3 0.009 34.9
  1. 1993 Pelotas (Brazil) Birth Cohort, 2008.