| Pre-mean [SD] | Post-mean [SD] | Effect size | Z score |
---|---|---|---|---|
Unmatched (Npre = 1812, Npost = 1010) | ||||
 Willingness | 4.11 [1.08] | 4.17 [0.92] | 0.07 | 0.66 (p = 0.51) |
 Confidence | 2.44 [1.00] | 3.41 [0.82] | 1.11 | 24.33 (p < 0.01) |
 Knowledge | 2.67 [0.71] | 3.73 [0.56] | 1.70 | 33.88 (p < 0.01) |
 Skills | 2.59 [0.73] | 3.47 [0.64] | 1.28 | 28.28 (p < 0.01) |
 Stigmatisation | 1.63 [0.54] | 1.45 [0.50] | −0.33 | −9.29 (p < 0.01) |
 Attitudes | 1.04 [0.54] | 1.11 [0.57] | 0.04 | 2.93 (p < 0.01) |
Matched (Npre = 480, Npost = 480) | ||||
 Willingness | 4.10 [1.05] | 4.17 [0.94] | 0.06 | 0.89 (p = 0.74) |
 Confidence | 2.40 [0.97] | 3.42 [0.81] | 1.09 | 17.19 (p < 0.01) |
 Knowledge | 2.67 [0.66] | 3.76 [0.55] | 1.74 | 18.75 (p < 0.01) |
 Skills | 2.57 [0.71] | 3.45 [0.65] | 1.29 | 18.24 (p < 0.01) |
 Stigmatisation | 1.57 [0.49] | 1.40 [0.47] | −0.38 | −8.94 (p < 0.01) |
 Attitudes | 1.13 [0.53] | 1.15 [0.56] | 0.13 | 0.56 (p = 0.74) |