Table 4. Characteristics of the studies included in the analysis of risk of depression in patients with diabetes.

References	Country	Subjects	Age	Weight (%)	OR	95% CI
van Dooren 2016 [45]	Netherlands	862	40-75	0.26	3.15	1.49-6.67
Westra 2016 [46]	Netherlands	527	60-87	0.66	1.96	0.94-4.10
Meurs 2015 [47]	Netherlands	90686	18-93	6.41	1.39	1.10-1.76
Deschênes 2015 [48]	Canada	17623	15+	6.89	1.18	0.92-1.52
Bruce 2015 [49]	Australia	184	70.2±10.1	0.16	2.77	1.00-7.70
Islam 2015 [50]	Australia	1182	50.4±11.4	0.09	6.40	3.40-12.30
Chen 2013 [17]	China	33914	60.1±13.2	6.81	1.43	1.16-1.77
Hamer 2011 [51]	UK	4338	62.9±9	3.04	1.52	1.01-2.30
Pan 2010 [22]	US	7415	50-75	9.88	1.29	1.18-1.40
O'Connor 2009 [52]	US	17076	40+	6.81	1.46	1.19-1.80
Almawi 2008 [53]	Bahrain	275	31-60	0.09	3.82	1.43-10.25
Golden 2008 [26]	US	5201	45-84	4.09	1.52	1.09-2.12
Luijendijk 2008 [54]	Netherlands	2931	61+	0.87	2.07	1.11-3.85
Maraldi 2007 [55]	Italy	2522	70-79	7.38	1.31	1.07-1.61
Engum 2007 [28]	Norway	37291	30-89	3.36	1.24	0.78-1.98
Engum 2007 [28]	Norway	37291	30-89	0.97	1.56	0.73-3.31
Kim 2006 [56]	South Korean	521	65+	1.39	1.00	0.40-2.50
de Jonge 2006 [57]	Spain	4803	55+	5.75	1.41	1.08-1.83
Brown 2006 [58]	Canada	88776	20-95	9.94	1.04	0.94-1.15
Polsky 2005 [59]	US	8387	51-61	8.30	1.17	0.98-1.41
Palinkas 2004 [35]	US	971	50-89	4.85	0.73	0.41-1.30
Bisschop 2004 [60]	Netherlands	1839	55-85	7.96	0.73	0.53-1.00
Rajala 1997 [61]	Finland	734	55	0.83	2.10	1.20-4.00
Wing 1990 [62]	US	64	30-70	2.84	1.96	0.70-2.05
Weyerer 1989 [63]	Hungary	1536	15+	0.39	3.15	1.69-5.87