| Information Sources | Baseline | 6 months follow-up (T1) | 12 months follow-up (T2) | 24 months follow-up (T3) | df | Cochran’s Q |
|---|
| General Practitioners | 174 (86.1) | 141 (69.8) | 115 (56.9) | 132 (65.3) | 3 | 60.16*** |
| Specialists | 187 (92.6) | 155 (76.7) | 122 (60.4) | 149 (73.8) | 3 | 69.87*** |
| Relatives | 159 (78.7) | 140 (69.3) | 117 (57.9) | 129 (63.9) | 3 | 35.25*** |
| Friends | 106 (52.5) | 94 (46.5) | 62 (30.7) | 86 (42.6) | 3 | 33.06*** |
| Information Leaflets-Physician | 108 (53.5) | 100 (49.5) | 70 (34.7) | 89 (44.1) | 3 | 22.95*** |
| Information Leaflets Associations | 60 (29.7) | 60 (29.7) | 42 (20.8) | 67 (33.2) | 3 | 12.43** |
| Magazines | 115 (56.9) | 112 (55.4) | 100 (49.5) | 112 (55.4) | 3 | 4.18 |
| Internet | 113 (55.9) | 112 (55.4) | 102 (50.5) | 99 (49) | 3 | 5.29 |
| Television | 128 (63.3) | 115 (56.9) | 109 (54) | 111 (55) | 3 | 7.93* |
- Note: *Significant differences (p < .05);** Significant differences (p < .01); *** Significant differences (p < .001)
