Association between the sense of coherence 13-item version scale score of pregnant women in the second trimester of pregnancy and threatened premature birth

Table 3 Logistic regression model for threatened premature birth (n = 150)

Variable	Regression	p value	OR	95 % CI
Age^a
≥25, ≤34/≤24	0.707	0.248	2.027	0.611–6.726
≥35/≤24	0.640	0.428	1.896	0.389–9.239
Childbirth history^b	−0.517	0.253	0.596	0.246–1.447
Smoking habits^c
Currently not smoking, but with a previous history of smoking/no history of smoking	0.145	0.749	1.156	0.476–2.804
With history of smoking/no history of smoking	0.103	0.897	1.108	0.234–5.253
History of miscarriage, premature birth, or threatened premature birth in previous pregnancies^d	0.036	0.951	1.036	0.328–3.270
SPS^e	−0.050	0.913	0.951	0.389–2.330
SOC-13^f	−0.103	0.000	0.903	0.862–0.945
Coefficient	5.343	0.003

OR odds ratio, 95 % CI 95 % confidence intervals
^aAge (1; ≤24, 2; ≥25, ≤34, 3; ≥35)
^bChildbirth history (1 = primiparas, 2 = multiparas)
^cSmoking habits (1 = No history of smoking, 2 = Currently not smoking, but with a previous history of smoking, 3 = Currently smoking)
^dHistory of miscarriage, premature birth, or threatened premature birth in previous pregnancies (1 = no history, 2 = with history)
^eSPS (1 = values; <22, 2 = values; ≥22)
^fSOC-13 (the score of the sense of coherence 13-item version scale)

ISSN: 1347-4715