Table 2.

Simple logistic regression of demographic variables with significant supplement associations.

Variable		No. (%)	β	WALD	OR	95% CI AOR		P value
						Lower	Upper
Parity	Multiparous	54 (42.5)	Referent
	Nulliparous	73 (57.5)	1.118	8.968	3.059	1.429	6.549	.004a
Education	<high school	23 (18.5)	Referent
	High school	34 (26.8)	0.742	1.826	0.716	2.100	6.173	.177
	TAFE	22 (17.3)	1.243	3.806	3.472	0.994	12.048	.051
	University	48 (37.8)	1.475	7.382	4.367	1.508	12.658	.007a
Smokers	No	118 (92.9)	Referent
	Yes	9 (7.1)	−1.882	5.017	0.152	0.029	0.790	.025a

Abbreviation: AOR, adjusted odds ratio.

^aStatistically significant.