Table 3.

The mediating effect of models.

Path	Estimate	Percentile 95% CI		P
		lower	upper
Model 1
NEMP → SDS → PCL-C	0.02	−0.10	0.15	0.66
NEMP → SAS → PCL-C	0.55	0.08	1.17	0.02
NEMP → SDS → SAS → PCL-C	0.42	0.11	0.85	0.01
Total indirect effects	0.99	0.40	1.79	0.00
Total	0.77	0.16	1.51	0.01
Model 2
NDLM → PSQI → PCL-C	0.11	−0.01	0.37	0.12
NDLM → SAS → PCL-C	0.83	0.42	1.41	0.00
NDLM → PSQI → SAS → PCL-C	0.31	0.01	0.74	0.045
Total indirect effects	1.25	0.60	2.14	0.00
Total	0.82	0.15	1.57	0.02
Model 3
Animal-based protein → SAS → PCL-C	−1.97	−4.39	−0.42	0.01
Animal-based protein → SDS → PCL-C	0.06	−0.41	0.52	0.78
Animal-based protein → PSQI → PCL-C	−0.41	−1.15	0.07	0.10
Total indirect effects	−2.32	−4.90	−0.69	0.00
Total	−2.65	−5.07	−0.91	0.00

Model 1, Serial multiple mediation model of effect of NEMP on PTSD; Model 2, Serial multiple mediation model of effect of NDLM on PTSD; Model 3, The multiple mediation model of effect of animal-based protein pattern on PTSD; NDLM, last meal jet lag between night shift and day shift; NEMP, Night shift eat midpoint.