Table 4.

Comparison analyses on outcomes from baseline to follow-up on the completer sample

	Baseline		Follow-up		Comparison Statistics		Effect size
	(n = 62)		(n = 62)
	M	SD	M	SD	t or Z	p	r or d
HF MPS-45
Self-oriented	79.52	13.59	71.73	14.69	t = 5.862	p = .001	d = 0.55
Socially-prescribed	55.40	14.21	51.63	13.65	t = 2.677	p = .010	d = 0.27
Other-oriented	54.08	12.37	52.37	13.35	t = 1.250	p = .216	d = 0.13
Rejection sensitivity	11.28	4.57	9.53	4.85	t = 5.472	p < .001	d = 0.37
BSI-53
Depression (Mdn, IQR)	1.00	1.37	0.83	1.04	Z = −3.287	p = .001	r = −0.42
Anxiety (Mdn, IQR)	0.83	1.67	0.50	1.04	Z = −2.181	p = .029	r = −0.28
Hostility (Mdn, IQR)	0.60	1.00	0.40	0.80	Z = −3.545	p < .001	r = −0.45
Perceived social support (Mdn, IQR)	5.87	1.27	6.00	1.17	Z = −2.691	p = .007	r = −0.34
Objective social support	2.27	0.68	2.28	0.78	t = −0.184	p = .854	d = 0.01

HF MPS-45 = Hewitt and Flett Multidimensional Perfectionism Scale-45. BSI-53 = Brief Symptom Inventory-53. CERQ = Cognitive Emotion Regulation Questionnaire