Table 5.

Scores of cognition, behavior and status of health-related behaviors in the Omaha system (x̅ ± sd, scores)

Group	Control group (n=43)	Research group (n=43)	t	P
Cognition
At the time of enrollment	15.16±3.21	15.68±3.56	0.711	0.479
12 months after enrollment	20.26±5.18***	27.94±7.76***	5.398	<0.001
Behavior
At the time of enrollment	16.64±4.29	16.08±4.37	0.600	0.550
12 months after enrollment	23.37±6.02***	29.97±8.02***	4.316	<0.001
Status
At the time of enrollment	16.02±3.06	17.12±3.16	1.640	0.105
12 months after enrollment	21.19±3.37***	27.74±4.16***	8.023	<0.001

Note: Compared with this group when it was entered into the group;

^***P<0.001.