Table 4 T-test by centre
Variable | Centre | n | Mean | SD | T-test | df | P-value Sig. |
|---|---|---|---|---|---|---|---|
PK | Yes | 72 | 5.21 | 1.82 | −.73 | 507.00 | .463 |
No | 437 | 5.35 | 1.49 | ||||
SB | Yes | 72 | 2.40 | 1.81 | 2.74 | 507.00 | .006 |
No | 437 | 1.93 | 1.24 | ||||
PR | Yes | 72 | 2.98 | 1.78 | 1.49 | 507.00 | .138 |
No | 437 | 2.69 | 1.50 | ||||
PB | Yes | 72 | 5.80 | 1.78 | −1.55 | 507.00 | .121 |
No | 437 | 6.09 | 1.45 | ||||
NA | Yes | 72 | 2.13 | 1.52 | .73 | 507.00 | .463 |
No | 437 | 2.00 | 1.35 | ||||
OI | Yes | 72 | 2.54 | 1.87 | 3.50 | 507.00 | .001 |
No | 437 | 1.90 | 1.34 |