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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Psychosom Med. 2015 Feb-Mar;77(2):176–185. doi: 10.1097/PSY.0000000000000147

Table 4.

Test of mediation including percent variance explained by mediating factors, bootstrapped point estimate for indirect effects, and 95% confidence intervals for indirect effects (n=1,180).

M1
Baseline + Educational Attainment
M2
Baseline + Social Relationships
M3
Baseline + Health Behaviors
M4
Full Model
Early Life Socioeconomic Adversity (all)
 Percent explained 38.40 18.67 12.08 60.73
 Estimate of indirect effect 0.0360 0.0175 0.0113 0.0569
 Bootstrapped 95% confidence intervals for indirect effect (0.0138 0.0582) (−0.0001 0.0351) −0.0078 0.0305) (0.0254 0.0885)
Early Life Physical Abuse
 Percent explained 8.22 13.87 10.78 24.65
 Estimate of indirect effect 0.0216 0.0365 0.0284 0.0649
 Bootstrapped 95% confidence intervals for indirect effect (−0.0079 0.0512) (−0.0092 0.0822) −0.0111 0.0678) (0.0097, 0.1200)

Notes: Results of OLS regression models. Percent explained and indirect effects of adversity on allostatic load were calculated using the -khb- module in Stata12, developed by Karlson, Holm and Breen, with bootstrapped confidence interval. Standard errors in parentheses. Standard errors adjusted for families with multiple respondents. All models control for age, sex, race, Milwaukee, and site of data collection. In addition, Model 1 controls for educational categories; Model 2 for adult social support and adult social strain, Model 3 for smoking, drinking, and physical activity; and Model 4 is the full model with all controls, including educational attainments, social relationships, and health behaviors.

+

p<.10,

*

p<.05,

**

p<.01