A Bayesian Approach to Investigating Factors Influencing Polytechnic College Students’ Academic Achievement

Table 5

Summary statistics for significant covariates in the Bayesian logistic model.

Nodes	Mean (β)	Sd	Mc error	95.0% CI for mean (β)		OR ()
				Lower	Upper
Alpha (β1)	−3.09	1.2034	0.07616	−6.766	0.4397	0.0455
Gender (1) (β2)	1.083	0.2496	0.002366	0.5117	1.681	2.9535
Age (β3)	−0.1739	0.0621	0.002257	−0.3011	−0.03931	0.8403
Family monthly income (FMI)
FMI (1) (β5)	1.09	0.3652	0.003579	0.2596	1.924	2.9742
FMI (2) (β6)	1.235	0.3933	0.003761	0.364	2.12	3.4383
FMI (3) (β7)	1.546	0.3821	0.003686	0.7221	2.391	4.6926
Study hour (SH)
SH (1) (β15)	0.5826	0.3962	0.003344	−0.08787	1.264	1.7906
SH (2) (β16)	0.5556	0.3201	0.002956	−0.1781	1.307	1.7429
SH (3) (β17)	1.101	0.3487	0.002917	0.2417	1.972	3.0071
Usage of stimulant (TS)
TS (1) (β18)	−2.919	0.3874	0.003658	−3.624	−2.239	0.0539
TS (2) (β19)	−2.877	0.3992	0.003564	−3.714	−2.06	0.0563
TS (3) (β20)	−4.044	0.4524	0.004002	−5.211	−2.974	0.017527
English proficiency (EP)
EP (1) (β23)	0.8704	0.3211	0.003135	0.1296	1.629	2.3878
EP (2) (β24)	1.328	0.3021	0.002353	0.6559	2.02	3.7734
EGSECE score (β25)	1.849	0.5871	0.01502	0.5233	3.125	6.3534
Previous TVET Attitude (PTA) (β28)	0.5246	0.2649	0.00203	0.09542	1.132	1.689783
Satisfaction with teachers (SBT)
SBT (1) (β33)	0.3182	0.5201	0.004258	−0.8846	1.517	1.3746
SBT (2) (β34)	1.272	0.5321	0.004697	0.06755	2.478	3.5679
SBT (3) (β35)	1.346	0.3992	0.003946	0.3469	2.329	3.8420
SBT (4) (β36)	1.121	0.4218	0.00441	0.1086	2.12	3.0679
Satisfaction with department placement (SBDP)
SBDP (1) (β37)	0.9258	0.4187	0.003082	0.1026	2.163	3.067921
SBDP (2) (β38)	1.127	0.3921	0.003346	0.2228	2.036	3.0863
SBDP (3) (β39)	0.7933	0.3824	0.003051	0.1069	1.9	2.697971
SBDP (4) (β40)	1.034	0.4158	0.003549	0.1086	1.979	2.8122