Table 3 Estimates of and test for additive interaction between objective and subjective aging indicators and frailty

From: Joint association of objective and subjective aging with premature mortality

Variables

Relative excess risk due to interaction

Attributable proportion

Synergy index

Estimate

P-values

Frailty

0.43 (0.22–0.64)

0

16.08 (7.91–24.25)

1.35 (1.12–1.62)

  1. Model adjusted for chronological age, sex, race, education levels, Townsend deprivation index, body mass index, smoking status, moderate alcohol consumption, intensity of physical activity, healthy sleep patterns, healthy diet, hypertension, type 2 diabetes, high cholesterol, anti-hypertensive drug use, insulin use, and lipid-lowering drug use
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