| Intervention group | Control group | Group difference (95% CI)a | ||
---|---|---|---|---|---|
Baseline mean (S.D.) | Follow-up mean (S.D.) | Baseline mean (S.D.) | Follow-up mean (S.D.) | ||
Knowledge (0–22) | 11.2 (3.7) | 12.9 (4.1) | 11.2 (3.7) | 11.6 (4.3) | 1.4 (0.6, 2.2)* |
Treatment beliefs, TOA (1–5) | |||||
 Positive – PA | 3.63 (0.84) | 3.88 (0.79) | 3.46 (0.85) | 3.77 (0.83) | 0.004 (−0.16, 0.17) |
 Negative - PA | 2.78 (1.00) | 2.55 (0.92) | 2.94 (0.98) | 2.78 (0.91) | −0.19 (− 0.37, − 0.002)* |
 Positive – PM | 3.35 (0.99) | 3.63 (1.03) | 3.24 (1.03) | 3.58 (0.92) | −0.01 (− 0.16, 0.18) |
 Negative – PM | 3.59 (0.81) | 3.22 (0.82) | 3.71 (0.74) | 3.59 (0.66) | −0.30 (− 0.49, − 0.12)* |
 Positive – TJR | 3.98 (0.70) | 3.94 (0.68) | 4.06 (0.65) | 4.10 (0.63) | −0.10 (− 0.21, 0.01) |
 Negative – TJR | 3.75 (0.79) | 3.90 (0.73) | 3.66 (0.84) | 3.94 (0.73) | −0.08 (− 0.23, 0.06) |