Glycaemic control among Bulgarian children and adolescents with type 1 diabetes – an impact of the social status and the educational level of the parents

Figures & data

Table 1. Gender distribution of participants in the two studies.

		Study
Gender		First	Second	Total	p
Boys	N	422	261	683	0.595
	%	50.9%	52.4%	51.5%
Girls	N	407	237	644
	%	49.1%	47.6%	48.5%
Total	N	829	498	1327
	%	100.0%	100.0%	100.0%

Table 2. Average age of the girls and the boys in total in the two studies.

Gender	N	Mean age	SD	Min	Max	p
Boys	683	11.9	4.2	1.0	19.0	0.258
Girls	644	11.6	4.2	2.0	18.0
Total	1327	11.8	4.2	1.0	19.0

Table 3. Distribution of the fathers according to their educational level.

Father's education		First study	Second study	Total	p
Elementary	N	110	50	160	0.185
	%	13.5%	10.1%	12.2%
Secondary	N	453	284	737
	%	55.7%	57.5%	56.4%
University	N	250	160	410
	%	30.8%	32.4%	31.4%
Total	N	813	494	1307
	%	100.0%	100.0%	100.0%

Table 4. Distribution of the mothers according to their educational level.

Mother's education		First study	Second study	Total	p
Elementary	N	119	52	171	0.015
	%	14.4%	10.4%	12.9%
Secondary	N	410	231	641
	%	49.5%	46.4%	48.3%
University	N	299	215	514
	%	36.1%	43.2%	38.8%
Total	N	828	498	1326
	%	100.0%	100.0%	100.0%

Figure 1. Comparison between the mean level of HbA_1c among the children and adolescents with type 1 diabetes according to the educational level of their parents (indicator is the mother's qualification) in both studies.

Table 5. Distribution of parents according to their social status in both studies.

		First study	Second study	Total	p
Both employed	N	645	404	1049	0.227
	%	78.4%	81.5%	79.5%
Father employed	N	89	44	133
	%	10.8%	8.9%	10.1%
Mother employed	N	59	38	97
	%	7.2%	7.7%	7.4%
Both unemployed	N	30	10	40
	%	3.6%	2.0%	3.0%
Total	N	823	496	1319
	%	100.0%	100.0%	100.0%

Figure 2. Comparison of the mean HbA_1c in the two consecutive studies among the groups of patients according to the social status of their parents.