Table 3. Independent t-test comparing mean post-pre change scores between study groups.
Outcome measure | Study group | N | Mean change | SD | SEM | t value | P value |
---|---|---|---|---|---|---|---|
HbA1c (%) change score | Control | 10 | −0.050 | 0.347 | 0.110 | 3.63** | 0.002 |
Intervention | 9 | −0.600 | 0.308 | 0.103 | |||
Diabetes knowledge change score | Control | 10 | 0.100 | 1.52 | 0.482 | −3.28** | 0.004 |
Intervention | 9 | 2.44 | 1.59 | 0.530 | |||
Self-efficacy change score | Control | 10 | −0.035 | 0.252 | 0.080 | −4.94*** | 0.000 |
Intervention | 9 | 0.994 | 0.578 | 0.193 |
**, P<0.01, ***, P<0.001. SD, standard deviation; SEM, standard error of the mean.