Table 3.

Association of Variables Under Multivariate Logistic Regression Analysis, N = 240

Variables	β	SE	Wald χ2	OR (95% CI)	P-value
History of abortion	−2.13	0.70	9.3	0.12 (0.03, 0.47)	0.00**
History of tattooing	−1.56	0.56	7.85	0.21 (0.07, 0.62)	0.00**

Note: **Significant.

Abbreviations: β, beta; SE, standard error; OR, odds ratio; CI, confidence interval.