Table 1.

Comparison of knowledge cognition between two groups before intervention, 6 and 12 months of intervention (‾x ± s, points)

Norm	Period of intervention	Groups	n	x ± s, points	t	P
Basic blood glucose intervention	Before intervention	Control group	104	10.08 ± 1.26	0.471	0.638
		Research group	104	10.16 ± 1.19
	Intervention for 6 months	Control group	104	16.55 ± 2.48*	2.884	0.004
		Research group	104	17.61 ± 2.81*
	Intervention for 12 months	Control group	104	18.45 ± 3.00*#	3.992	0.000
		Research group	104	20.15 ± 3.14*#
Healthy diet	Before intervention	Control group	104	8.02 ± 1.68	0.372	0.710
		Research group	104	8.15 ± 1.32
	Intervention for 6 months	Control group	104	15.86 ± 3.18*	2.670	0.008
		Research group	104	17.10 ± 3.51*
	Intervention for 12 months	Control group	104	17.41 ± 3.67*#	4.099	0.000
		Research group	104	19.67 ± 4.26*#
Reasonable exercise	Before intervention	Control group	104	12.15 ± 1.02	1.254	0.211
		Research group	104	12.34 ± 1.16
	Intervention for 6 months	Control group	104	17.11 ± 2.02*	3.260	0.001
		Research group	104	18.06 ± 2.18*
	Intervention for 12 months	Control group	104	19.97 ± 2.26*#	2.527	0.012
		Research group	104	20.82 ± 2.58*#
Proper medication	Before intervention	Control group	104	10.08 ± 1.68	0.404	0.687
		Research group	104	10.17 ± 1.53
	Intervention for 6 months	Control group	104	16.51 ± 2.53*	2.516	0.013
		Research group	104	17.43 ± 2.74*
	Intervention for 12 months	Control group	104	19.57 ± 2.98*#	2.647	0.009
		Research group	104	20.69 ± 3.12*#

Note: * Compared with before intervention in this group, P < 0.05; # Compared with this group after 6 months of intervention, P < 0.05. A 95% CI indicates that there is a 95% probability that the estimate will fall within that interval in repeated sampling