Table 2.

Comparison of PTSD score and presence of PTSD according to various characteristics of the participants

		PTSD total score
		Mean ± SD	U	p*
Educational status	Secondary school or below	45.8 ± 18.7	-2.604	0.009
	High school or higher	38.9 ± 15.7
Employment status	Employed	38.6 ± 16.6	2.734	0.006
	Unemployed	44.4 ± 17.7
Marital status	Married	40.7 ± 16.7	3.908	< 0.001
	Widowed	67.8 ± 9.0
Residence place	Tent	47.6 ± 17.4	-4.533	< 0.001
	Other	35.2 ± 14.9
Presence of death in the family	Yes	49.5 ± 17.3	-5.011	< 0.001
	No	37.2 ± 15.8
Continuing breastfeeding	Yes	37.0 ± 16.4	5.805	< 0.001
	No	54.7 ± 12.9
Breastfeeding duration	0–6 months	51.4 ± 14.5	-7.705	< 0.001
	7–24 months	30.9 ± 13.6
Use of assistive devices while breastfeeding	Yes	41.2 ± 19.9	-0.141	0.888
	No	42.2 ± 16.4
Complementary food	Yes	35.8 ± 15.8	5.438	< 0.001
	No	51.5 ± 15.4
Reduced breast milk supply because of earthquake	Yes	46.1 ± 17.3	-5.625	< 0.001
	No	26.7 ± 4.3
Received breastfeeding training status	Yes	32.5 ± 11.0	10.193	< 0.001
	No	62.8 ± 8.3

Abbreviations: PTSD Post-traumatic stress disorder, U Mann–Whitney U test statistic

^*Mann Whitney U test was applied