Table 1

General characteristics and their associations with scores in different areas of diabetic knowledge among the college students (±s)

Characteristic	Number	Per cent	General (0–4)	Risk factors (0–5)	Symptoms (0–4)	Diagnosis and treatment (0–4)	Complications (0–5)	Total score (0–22)
Gender
Men	173	33.2	2.5±0.94	2.9±1.38	3.0±1.22	2.1±0.69	2.3±1.58	12.8±3.79
Women	348	66.8	2.7±0.84	3.1±1.28	3.2±1.07	2.2±0.72	2.3±1.47	13.5±3.23
p Value			0.037	0.08	0.07	0.20	0.63	0.023
Age
≤20	288	55.3	2.5±0.83	2.9±1.37	3.0±1.16	2.1±0.70	2.1±1.40	12.6±3.22
>20	233	44.7	2.8±0.85	3.2±1.23	3.2±1.23	2.2±0.71	2.7±1.59	14.1±3.41
p Value			<0.001	0.020	0.001	0.27	<0.001	<0.001
Grade
Grade 1	126	24.2	2.3±0.77	2.8±1.33	3.0±1.15	2.1±0.67	1.8±1.27	12.0±2.97
Grade 2	138	26.5	2.4±0.86	2.7±1.47	2.8±1.19	2.2±0.68	2.1±1.49	12.2±3.45
Grade 3	170	32.6	2.8±0.78	3.3±1.17	3.3±1.00	2.1±0.74	2.6±1.47	13.9±3.06
Grade 4	87	16.7	2.9±1.00	3.6±1.05	3.4±1.07	2.3±0.76	3.2±1.47	15.4±3.43
p Value			<0.001	<0.001	<0.001	0.09	<0.001	<0.001
Specialty
Medical	228	43.8	2.8±0.89	3.2±1.25	3.4±0.94	2.2±0.72	2.8±1.54	14.4±3.25
Non-medical	293	56.2	2.7±0.84	2.9±1.35	2.9±1.20	2.1±0.71	2.0±1.38	12.4±3.33
p Value			<0.001	0.006	<0.001	0.06	<0.001	<0.001
Academic performance
Worse	39	7.5	2.3±1.07	2.8±1.42	2.9±1.2	2.1±0.73	2.3±1.57	12.4±3.66
Good	342	65.6	2.6±0.83	3.0±1.31	3.1±1.11	2.1±0.69	2.3±1.51	13.1±3.37
Better	140	26.9	2.6±0.91	3.1±1.30	3.2±1.11	2.3±0.75	2.6±1.46	13.9±3.48
p Value			0.06	0.24	0.39	0.07	0.10	0.025
BMI
<18.5	192	36.9	2.6±0.88	2.9±1.31	3.1±1.08	2.1±0.72	2.3±1.55	13.1±3.52
18.5–23.9	287	55.1	2.6±0.83	3.0±1.33	3.2±1.14	2.2±0.69	2.4±1.52	13.3±3.32
>23.9	15	2.9	3.0±0.85	3.3±1.33	3.2±1.15	2.5±0.74	3.2±1.01	15.2±3.12
Missing value	27	5.2	2.6±1.22	3.0±1.3	3.0±1.22	2.2±0.85	2.3±1.24	13.1±4.09
p Value			0.15	0.59	0.94	0.11	0.08	0.06
Skipping breakfast (>2 days/week)
Yes	69	13.2	2.5±0.95	3.1±1.26	3.1±1.09	2.2±0.72	2.5±1.35	13.5±3.10
No	452	86.8	2.6±0.86	3.0±1.32	3.1±1.13	2.2±0.71	2.4±1.53	13.2±3.49
p Value			0.52	0.33	0.91	0.60	0.41	0.47
Physical activity (<3 days/week)
Yes	311	59.7	2.6±0.82	3.0±1.31	3.1±1.13	2.1±0.72	2.4±1.51	13.2±3.34
No	210	40.3	2.6±0.95	3.0±1.32	3.2±1.11	2.2±0.69	2.4±1.50	13.3±3.60
p Value			0.43	0.95	0.78	0.043	0.98	0.78
Sleep time (<7 hours/day)
Yes	166	31.9	2.6±0.90	2.9±1.30	3.1±1.16	2.2±0.70	2.4±1.46	13.2±3.52
No	355	68.1	2.6±0.86	3.1±1.32	3.2±1.10	2.1±0.72	2.4±1.53	13.3±3.41
p Value			0.56	0.23	0.42	0.14	0.76	0.66
Relatives or friends with diabetes
Yes	176	33.8	2.7±0.85	3.1±1.27	3.2±1.08	2.1±0.71	2.5±1.41	13.6±3.28
No	242	46.4	2.6±0.89	3.1±1.29	3.1±1.12	2.2±0.74	2.3±1.54	13.3±3.49
Unknown	103	19.8	2.5±0.87	2.7±1.40	3.1±1.17	2.1±0.63	2.3±1.61	12.7±3.57
p Value			0.21	0.010	0.40	0.49	0.57	0.07
Overall	521		2.6±0.87	3.0±1.32	3.1±1.12	2.2±0.71	2.4±1.51	13.3±3.44

BMI, body mass index.