Life satisfaction among elderly patients in Nepal: associations with nutritional and mental well-being

Table 3 Mediation analysis for the association between nutrition and life satisfaction, mediated by depression

	Model 1		Model 2		Model 3
	β	BCa 95% CI	β	BCa 95% CI	β	BCa 95% CI
Total effect, (c)	0.92	0.67, 1.16	0.94	0.69, 1.18	0.78	0.52, 1.03
Direct effect, (c’)	0.53	0.33, 0.74	0.56	0.36, 0.76	0.48	0.27, 0.69
Indirect effect, (a X b)	0.39	0.23, 0.57	0.37	0.21, 0.56	0.30	0.13, 0.49
^aRatio of indirect to total effect mediated, (a X b/c)	0.42	0.27, 0.60	0.40	0.25, 0.57	0.38	0.19, 0.60
^aRatio of indirect to direct effect, (a X b/c’)	0.72	0.37, 1.51	0.67	0.33, 1.33	0.62	0.24, 1.49

Model 1: unadjusted mediational model; Model 2: adjusted for age, and sex; Model 3: adjusted for age, sex, ethnicity, marital status, smoking, alcohol use, educational status, perception of ignored/hated, perceived health status compared to peers
Number of bootstrap samples for bias-corrected bootstrap confidence intervals: 5000
β: Unstandardized coefficient; BCa: Bias-corrected and accelerated
^aValues are ratios of regression coefficients

ISSN: 1477-7525