A randomized controlled trial of a senior centre group programme for increasing social support and preventing depression in elderly people living at home in Norway

Table 2 Descriptive mean score, Standard deviations on the scales of life satisfaction, health, social support and Beck Depression Inventory at baseline and after 12 months, n total = 92 *

Instruments and scoring range	Baseline				After 12 months			Differences Baseline-12 months			Effect size
	Groups	n	Mean score	S.D.	n	Mean score	S.D.	n	Mean change	S.D.	Cohen’s d
Life satisfaction	Intervention	37	3.65	0.82	37	3.59	0.76	37	-0.06	0.78	0.22
1-5	Control	55	3.84	0.71	54	3.61	0.79	54	-0.22	0.74
Health	Intervention	36	2.44	0.65	37	2.24	0.72	36	-0.20	0.74	0.07
1-4	Control	55	2.55	0.60	55	2.40	0.63	55	-0.15	0.52
Social support	Intervention	37	9.32	2.02	37	9.97	2.05	37	0.65	1.46	0.12
3-14	Control	53	9.21	2.00	54	9.69	2.09	52	0.48	1.72
BDI	Intervention	36	10.14	6.63	37	10.70	5.95	36	0.56	5.45	0.03
	Control	53	8.70	4.85	55	9.44	4.19	53	0.74	4.72

* n differs, both in intervention group and in control group because not all the participants answered all the questions at both baseline and after 12 months.

ISSN: 1471-2318