Baseline

& the

1st course

Baseline

& the

2nd course

Baseline

& the 3rd course

The 1st course & the

2ndcourse

The 1st course & the

3rd course

The 2nd course

& the 3rd course

No improvement

−1.414b

−2.828b

−2.858b

−1.633b

−1.279b

−4.71c

P value

0.157

0.005

0.004

0.102

0.201

0.637

Z value

Under controlled

−1.857b

−6.607b

−6.532b

−5.427b

−5.105b

−0.200c

P value

0.063

0.000

0.000

0.000

0.000

0.841

Z value