Table 3.
Means and differences for HIV stigma scores
| Sample means (SD) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
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| Control | Intervention | ||||||||
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| Wave | N | M | SD | N | M | SD | t | df | p |
| 1 | 234 | 2.88 | (0.48) | 269 | 2.79 | (0.51) | −1.82 | 501.5 | 0.25 |
| 2 | 219 | 2.83 | (0.51) | 241 | 2.61 | (0.58) | −4.83 | 494 | <0.0001 |
| 3 | 197 | 2.80 | (0.54) | 225 | 2.64 | (0.55) | −3.22 | 487 | 0.0055 |
| 4 | 179 | 2.77 | (0.57) | 206 | 2.59 | (0.59) | −3.74 | 473 | 0.0002 |
Notes: M=Mean; SD=Standard Deviation. t, df and p-values are estimated from SAS PROC MIXED with the Kenward-Roger degrees-of-freedom method, which features non-integer DF values. p-Values for paired comparisons of group means were adjusted for multiple comparisons using Sidak's method.