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Table 6 Sobel statistics and percent mediated. Women

From: The mediating sex-specific effect of psychological distress on the relationship between adverse childhood experiences and current smoking among adults

 

Sobel Testa

% mediatedb

ACE

Test Statistic (SE)

p-value

 

Abuse

   

Emotional

−3.36 (0.02)

0.0008

22.0%

Physical

−3.29 (0.02)

0.0010

16.8%

Neglect

   

Physical

−3.01 (0.02)

0.0026

14.0%

Household dysfunction

   

Parental sep/div

−2.88 (0.01)

0.0040

10.2%

  1. Note. Sobel test and proportion of mediation obtained from linear and logistic regression models adjusted for covariates including age group, race, education, parental smoking during childhood, and alcohol use in past month; P-values drawn from the normal distribution under the assumption of a 2-tailed z-test. The hypothesis is that the mediated effect equals zero.
  2. Excel spreadsheet created by Nathaniel R. Herr (February, 2006), Adopted from Kenny, 2006. Available at: http://nrherr.bol.ucla.edu/Mediation/logmed.html
  3. aSobel test. http://www.quantpsy.org/sobel/sobel.htm
  4. bequation (c-c’)/c.