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. 2015 Feb 26;38(1):115–121. doi: 10.1093/pubmed/fdv017

Table 3.

Descriptive statistics and the result of a paired-samples t-test for GHQ-12 scores by social support intervention

Before social support intervention
After social support intervention
n 95% CI for mean difference t df P
Outcome M SD M SD
15.20 7.60 10.27 5.51 15 −0.43, 10.30 1.97 14 >0.05