Psychometric properties of screening questionnaires to detect depression in primary healthcare setting in rural Ethiopia

Table 3 Rotated factor loadings of the exploratory factor analysis of PHQ-15a and PHQ-15b

Item	Factor loading
	PHQ-15a			PHQ-15b
	Factor 1	Factor 2	Factor 3	Factor 1	Factor 2
Stomach pain		0.69			0.66
Back pain		0.54			0.61
Pain in your arms, legs, or joints	0.52				0.46
Menstrual cramps or other problems with periods			0.70
Headaches		0.60			0.54
Chest pain	0.57			0.42
Dizziness		0.42	0.45	0.55
Fainting spells	0.48		0.52	0.71
Heart pound or race	0.75			0.69
Shortness of breath	0.70			0.68
Pain or problems during sexual intercourse	0.49
Constipation, loose bowels		0.61			0.60
Nausea		0.61			0.64
Tired or having low energy	0.61			0.64
Trouble sleeping	0.47			0.46

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