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. 2023 Jun 27;9:e44486. doi: 10.2196/44486

Table 5.

Mediation analysis and Karlson-Holm-Breen (KHB) decomposition of health literacy and health behaviors mediating the associations between dimensions of family health and frailty.


Health literacy Smoking status Sleep duration Breakfast
Family, social, or emotional health processes

Indirect effect, β −.007a −.002a −.003a −.007a

Direct effect, β −.029a −.034a −.034a −.030a

Total effect, β −.037a −.037a −.037a −.037a

KHB decomposition


Proportion of mediation effect (%) 10.78 2.89 6.20 13.23
Family healthy lifestyle

Indirect effect, β −.012a −.004a −.004a −.010a

Direct effect, β −.032a −.041a −.040a −.034a

Total effect, β −.044a −.044a −.044a −.044a

KHB decomposition


Proportion of mediation effect (%) 16.00 3.67 7.86 16.31
Family health resources

Indirect effect, β .003a .001b −.000 −.002a

Direct effect, β −.019a −.017a −.015a −.014a

Total effect, β −.016a −.016a −.016a −.016a

KHB decomposition


Proportion of mediation effect (%) −13.33 −3.99 2.47 7.57
Family external social supports

Indirect effect, β −.012a −.003a −.003a −.008a

Direct effect, β −.026a −.035a −.035a −.030a

Total effect, β −.038a −.038a −.038a −.038a

KHB decomposition


Proportion of mediation effect (%) 17.23 3.67 6.63 14.01

aP<.001.

bP<.01.