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Table 3 Analysis of mediating effect of health behaviors

From: Optimism and survival: health behaviors as a mediator—a ten-year follow-up study of Chinese elderly people

 

Path

β

95% Bootstrap CI

p value

Proportion of effect (%)

Model 4 (Outcome: mortality)

 Optimism

c (Total effect)

-0.070

(-0.12 − -0.02)

0.008

100.00

Model 5 (Outcome: health behaviors)

 Optimism

a

0.086

(0.07 − 0.14)

0.030

–

Model 6 (Outcome: mortality)

 Optimism

c’ (Direct effect)

-0.065

(-0.09 − -0.05)

0.014

92.85

 Health behaviors

b

-0.053

(-0.09 − -0.05)

 < 0.001

–

 Mediating effect

a x b (Indirect effect)

-0.005

(0.03 − 0.09)

–

7.15

  1. Note: CI Confidence Interval. Model 4, optimism → mortality; Model 5, optimism → health behaviors; Model 6, optimism, health behaviors → mortality
  2. #Overall test of association adjusted for gender, age, education level, marital status, residence, ADL, chronic diseases, decision-making power in the family, family economic status, number of children, co-residence with family members, medical insurance and pension insurance. The effects of covariates were omitted
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BMC Public Health

ISSN: 1471-2458

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