| T1 | T2 | T3 | |||
---|---|---|---|---|---|---|
 | n(%) | Mean ± SD | n(%) | Mean ± SD | n(%) | Mean ± SD |
UPE | 67(100%) | Â | 45(67%) | Â | 32(48%) | Â |
 Autonomous motivation |  | 3.9 ± 0.58 |  | 3.8 ± 0.55 |  | 3.8 ± 0.62 |
 Controlled motivation |  | 2.3 ± 0.64 |  | 2.5 ± 0.69 |  | 2.5 ± 0.68 |
IPE | 60(100%) | Â | 57(95%) | Â | 27(45%) | Â |
 Autonomous motivation |  | 4.0 ± 0.48 |  | 3.8 ± 0.58 |  | 4.0 ± 0.58 |
 Controlled motivation |  | 2.4 ± 0.76 |  | 2.2 ± 0.74 |  | 2.9 ± 0.84 |