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Table 5 The mediating proportion of Life’s Essential 8 score on the association between socioeconomic status and clinically relevant depression among participants

From: The influence of Life’s Essential 8 on the link between socioeconomic status and depression in adults: a mediation analysis

 

Direct Effect

Indirect Effect

Total Effect

Proportion Mediated

β (95%CI)

P-Value

β (95%CI)

P-Value

β (95%CI)

P-Value

Total sample

       

  Model 1

-0.106 (-0.138 to -0.073)

< 0.01

-0.028 (-0.036 to -0.018)

< 0.01

-0.134 (-0.165 to -0.1)

< 0.01

21.26%

  Model 2

-0.096 (-0.132 to -0.062)

< 0.01

-0.03 (-0.041 to -0.019)

< 0.01

-0.126 (-0.159 to -0.096)

< 0.01

23.46%

  Model 3

-0.096 (-0.133 to -0.052)

< 0.01

-0.029 (-0.039 to -0.019)

< 0.01

-0.124 (-0.159 to -0.089)

< 0.01

22.13%

Sex

       

 Male

       

  Model 1

-0.086 (-0.128 to -0.043)

< 0.01

-0.023 (-0.035 to -0.012)

< 0.01

-0.109 (-0.153 to -0.063)

< 0.01

21.52%

  Model 2

-0.094 (-0.149 to -0.04)

< 0.01

-0.022 (-0.034 to -0.013)

< 0.01

-0.116 (-0.175 to -0.056)

< 0.01

19.17%

  Model 3

-0.09 (-0.138 to -0.044)

< 0.01

-0.02 (-0.036 to -0.008)

< 0.01

-0.111 (-0.16 to -0.068)

< 0.01

18.85%

 Female

       

  Model 1

-0.112 (-0.162 to -0.063)

< 0.01

-0.037 (-0.051 to -0.021)

< 0.01

-0.149 (-0.194 to -0.103)

< 0.01

25.56%

  Model 2

-0.104 (-0.165 to -0.041)

< 0.01

-0.04 (-0.057 to -0.025)

< 0.01

-0.144 (-0.203 to -0.086)

< 0.01

27.06%

  Model 3

-0.101 (-0.159 to -0.043)

< 0.01

-0.037 (-0.056 to -0.018)

< 0.01

-0.138 (-0.19 to -0.082)

< 0.01

27.02%

Age

       

 20–39

       

  Model 1

-0.05 (-0.107 to 0.009)

0.1

-0.024 (-0.038 to -0.009)

< 0.01

-0.069 (-0.119 to -0.024)

< 0.01

33.67%

  Model 2

-0.036 (-0.099 to 0.015)

0.28

-0.024 (-0.037 to -0.011)

< 0.01

-0.06 (-0.119 to -0.016)

0.02

36.32%

  Model 3

-0.033 (-0.083 to 0.018)

0.28

-0.024 (-0.039 to -0.01)

< 0.01

-0.056 (-0.106 to -0.009)

0.02

41.45%

 40–59

       

  Model 1

-0.139 (-0.197 to -0.08)

< 0.01

-0.04 (-0.056 to -0.02)

< 0.01

-0.179 (-0.232 to -0.121)

< 0.01

22.71%

  Model 2

-0.132 (-0.19 to -0.074)

< 0.01

-0.036 (-0.053 to -0.021)

< 0.01

-0.168 (-0.225 to -0.116)

< 0.01

21.63%

  Model 3

-0.133 (-0.185 to -0.084)

< 0.01

-0.029 (-0.043 to -0.016)

< 0.01

-0.162 (-0.211 to -0.112)

< 0.01

17.95%

 ≥60

       

  Model 1

-0.117 (-0.178 to -0.057)

< 0.01

-0.028 (-0.05 to -0.005)

0.02

-0.146 (-0.203 to -0.083)

< 0.01

19.60%

  Model 2

-0.132 (-0.196 to -0.072)

< 0.01

-0.032 (-0.053 to -0.013)

0.02

-0.164 (-0.23 to -0.109)

< 0.01

19.94%

  Model 3

-0.121 (-0.178 to -0.065)

< 0.01

-0.028 (-0.051 to -0.007)

0.02

-0.148 (-0.209 to -0.1)

< 0.01

19.19%

Race

       

 MA

       

  Model 1

-0.063 (-0.115 to 0.008)

0.08

-0.006 (-0.017 to 0.002)

0.16

-0.07 (-0.126 to 0.008)

0.08

-

  Model 2

-0.058 (-0.102 to 0.011)

0.12

-0.005 (-0.014 to 0.002)

0.16

-0.064 (-0.105 to 0.009)

0.08

-

  Model 3

-0.061 (-0.114 to 0.01)

0.06

-0.005 (-0.015 to 0.0001)

0.06

-0.067 (-0.123 to 0.003)

0.06

-

 Hispanic

       

  Model 1

-0.084 (-0.159 to 0.011)

0.08

-0.029 (-0.05 to -0.012)

< 0.01

-0.113 (-0.193 to -0.027)

0.04

22.92%

  Model 2

-0.08 (-0.143 to 0.027)

0.16

-0.028 (-0.052 to -0.013)

< 0.01

-0.108 (-0.173 to -0.009)

0.04

22.13%

  Model 3

-0.077 (-0.162 to 0.022)

0.12

-0.029 (-0.056 to -0.013)

< 0.01

-0.106 (-0.195 to -0.012)

0.04

24.07%

 NHW

       

  Model 1

-0.144 (-0.208 to -0.098)

< 0.01

-0.035 (-0.052 to -0.017)

< 0.01

-0.179 (-0.242 to -0.129)

< 0.01

19.64%

  Model 2

-0.111 (-0.177 to -0.048)

< 0.01

-0.035 (-0.053 to -0.021)

< 0.01

-0.146 (-0.211 to -0.084)

< 0.01

24.04%

  Model 3

-0.107 (-0.182 to -0.054)

< 0.01

-0.029 (-0.044 to -0.016)

< 0.01

-0.136 (-0.207 to -0.086)

< 0.01

21.00%

 NHB

       

  Model 1

-0.116 (-0.18 to -0.058)

< 0.01

-0.013 (-0.025 to -0.001)

< 0.01

-0.128 (-0.188 to -0.074)

< 0.01

9.85%

  Model 2

-0.101 (-0.158 to -0.031)

< 0.01

-0.018 (-0.036 to -0.003)

0.02

-0.119 (-0.174 to -0.056)

< 0.01

14.82%

  Model 3

-0.099 (-0.166 to -0.036)

< 0.01

-0.015 (-0.031 to -0.002)

0.02

-0.114 (-0.191 to -0.054)

< 0.01

13.23%

 Other Race

       

  Model 1

-0.093 (-0.216 to -0.001)

0.06

-0.052 (-0.085 to -0.021)

< 0.01

-0.145 (-0.275 to -0.057)

< 0.01

37.68%

  Model 2

-0.09 (-0.198 to 0.023)

0.18

-0.054 (-0.095 to -0.022)

< 0.01

-0.144 (-0.243 to -0.035)

< 0.01

35.27%

  Model 3

-0.1 (-0.246 to 0.008)

0.08

-0.054 (-0.097 to -0.025)

< 0.01

-0.154 (-0.297 to -0.053)

< 0.01

33.98%

  1. Abbreviations: MA: Mexican American; NHW: non-hispanic white; NHB: non-hispanic black; CI: confidence interval
  2. Model 1: not adjusted for covariates
  3. Model 2: adjusted for sex, age, race, marital status, and family size
  4. Model 3: adjusted for sex, age, race, marital status, family size, alcohol consumption and stroke