Table 2
Results of the Koenker’s studentised test, n=31
Pairwise test of trials
Preintervention trials
Postintervention trials
Χ
2
P value
Χ
2
P value
1–2
1.33
0.25
0.41
0.52
2–3
0.05
0.83
1.38
0.24
1–3
0.28
0.60
0.20
0.66