Network structure of depression and anxiety symptoms in Chinese female nursing students

BMC Psychiatry

Table 1 Mean scores, standard deviations, predictability and abbreviation for each symptom of the PHQ-9 and GAD-7

Symptoms	Abbreviation	M	SD	Pre
Depression symptoms (PHQ-9)
PHQ-1: Anhedonia	Anhedonia	0.52	0.73	0.59
PHQ-2: Depressed or sad mood	Sad mood	0.47	0.67	0.67
PHQ-3: Sleep difficulties	Sleep	0.54	0.80	0.55
PHQ-4: Fatigue	Fatigue	0.55	0.74	0.71
PHQ-5: Appetite changes	Appetite	0.44	0.73	0.54
PHQ-6: Feeling of worthlessness	Worthless	0.46	0.72	0.67
PHQ-7: Concentration difficulties	Concentration	0.50	0.74	0.62
PHQ-8: Psychomotor agitation/retardation	Motor	0.22	0.51	0.52
PHQ-9: Thoughts of death	Death	0.19	0.51	0.53
Anxiety symptoms (GAD-7)
GAD-1: Nervousness or anxiety	Nervous	0.63	0.72	0.60
GAD-2: Uncontrollable worry	Control worry	0.47	0.68	0.71
GAD-3: Worry too much	Worry too much	0.61	0.75	0.71
GAD-4: Trouble relaxing	Relax	0.44	0.68	0.67
GAD-5: Restlessness	Restless	0.28	0.55	0.55
GAD-6: Irritable	Irritable	0.59	0.78	0.66
GAD-7: Afraid something will happen	Afraid	0.33	0.59	0.62

ISSN: 1471-244X