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Table 3 The fit indices of the structural equation model (SEM)

From: The influencing factors of hearing protection device usage among noise-exposed workers in Guangdong Province: a structural equation modeling-based survey

Model

Reference index

Model 1a

Model 2b

Model 3c

CMIN/DF

< 5 acceptable, < 2 ideal

1.650

3.083

2.869

RMSEA

< 0.08 acceptable, < 0.05 ideal

0.035

0.063

0.060

GFI

> 0.8 acceptable, > 0.9 ideal

0.948

0.926

0.926

AGFI

> 0.8 acceptable, > 0.9 ideal

0.931

0.901

0.902

IFI

> 0.8 acceptable, > 0.9 ideal

0.814

0.930

0.929

CFI

> 0.8 acceptable, > 0.9 ideal

0.802

0.929

0.929

  1. P < 0.05. a: the SEM is based on demographic, work-related factors, hearing protection knowledge and attitudes, and HPD wearing behavior. b: the first-order model of HPD wearing comfort and HPD wearing behavior. c: the second-order model of HPD wearing comfort and HPD wearing behavior.
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BMC Public Health

ISSN: 1471-2458

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