Table 2 Baseline demographic and psychological characteristics of the four study groups (n = 2140)
Intervention group | Control group 1 n = 717 | Control group 2 n = 712 | p value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Matched message n = 356 | Unmatched message n = 355 | |||||||||
Mean/ratio | SD | Mean/ratio | SD | Mean/ratio | SD | Mean/ratio | SD | |||
Intention (scale: 1–3) | 2.04 | 0.59 | 2.07 | 0.57 | 2.03 | 0.60 | 2.05 | 0.59 | 0.786 | |
Cancer worry (scale: 1–4) | 2.52 | 0.72 | 2.54 | 0.75 | 2.54 | 0.75 | 2.53 | 0.74 | 0.964 | |
Age | 40s | 4.8 % | – | 4.6 % | – | 4.9 % | – | 6.1 % | – | 0.859 |
50s | 25.4 % | – | 22.3 % | – | 24.4 % | – | 24.3 % | – | ||
60s | 69.9 % | – | 73.1 % | – | 70.7 % | – | 69.7 % | – | ||
Sex | Male | 44.2 % | – | 39.3 % | – | 42.7 % | – | 41.5 % | – | 0.574 |
Female | 55.8 % | – | 60.7 % | – | 57.3 % | – | 58.5 % | – | ||
Marital status | Married | 73.9 % | – | 70.2 % | – | 68.7 % | – | 71.8 % | – | 0.315 |
Unmarried | 26.1 % | – | 29.8 % | – | 31.3 % | – | 28.2 % | – | ||
Education level (scale: 1–5) | 2.34 | 0.99 | 2.26 | 0.93 | 2.33 | 0.93 | 2.30 | 0.91 | 0.599 | |
Subjective economic status (scale: 1–5) | 2.57 | 0.86 | 2.66 | 0.89 | 2.58 | 0.89 | 2.66 | 0.87 | 0.258 | |