Trends in the prevalence of self-reported diabetes in Brazilian capital cities and the Federal District, 2006–2014

Table 2 Crude prevalence of self-reported diabetes in adults (age 18 years and over) in the years 2006 and 2014, and annual increase over this period overall and in specific strata

Strata	2006	2014	Annual increase
Strata	% (95 % CI)	% (95 % CI)	%	(95 % CI)	P	R²
Total	5.5 (5.1–5.9)	8.0 (7.5–8.5)	0.26	0.16–037	0.001	0.83
Sex
Men	4.6 (4.0–5.2)	7.3 (6.5–8.1)	0.26	0.18–0.34	<0.0001	0.89
Women	6.3 (5.7–6.8)	8.7 (8.0–9.4)	0.25	0.10–0.40	0.006	0.69
Age
18–24	0.9 (0.5–1.3)	1.0 (0.4–1.6)	0.20	−0.06 to 0.09	0.57	0.05
25–34	1.1 (0.6–1.7)	1.6 (1.0–2.1)	0.01	−0.12 to 0.15	0.81	0.01
35–44	2.9 (2.3–3.6)	3.9 (3.0–4.9)	0.12	0.06–0.18	0.002	0.78
45–54	7.1 (6.0–8.2)	11.5 (9.9–13.0)	0.36	0.08–0.64	0.019	0.57
55–64	15.7 (13.6–17.8)	18.2 (16.2–20.1)	0.32	0.01–0.62	0.044	0.46
≥65	18.9 (17.0–20.8)	24.4 (22.4–26.5)	0.57	0.28–0.85	0.002	0.76
Educational attainment (years)
≥12	2.8 (2.2–3.3)	3.7 (3.2–4.3)	0.12	0.00–0.23	0.051	0.44
9–11	2.8 (2.4–3.2)	5.1 (4.5–5.7)	0.25	0.11–0.39	0.005	0.70
0–8	8.8 (8.0–9.6)	14.2 (13.1–15.4)	0.59	0.40–0.79	<0.0001	0.88
BMI category
<25 kg/m²	3.3 (3.0–3.7)	5.4 (4.8–6.0)	0.15	0.04–0.27	0.017	0.58
25 kg/m² ≤ BMI < 30 kg/m²	6.9 (6.1–7.7)	8.6 (7.7–9.5)	0.22	0.10–0.34	0.003	0.73
≥30 kg/m²	12.8 (10.8–14.7)	14.0 (12.5–15.5)	0.14	0.17–0.46	0.32	0.14

Vigitel, Brazilian capital cities and the Federal District
Prevalences are weighted to reflect the sociodemographic distribution of the adult population of the sampled cities in each year of the survey
Significance level: 5 %
BMI body mass index

ISSN: 1758-5996