Table 2.
Self-report measures* (mean [SD]), at baseline and follow-up (3 months and 6 months post screening) with statistical tests to assess if differences in changes between women offered NHS Breast Screening Programme and BC-Predict (N = 662).
| Women offered NHS Breast Screening Programme | Women offered BC-Predict | |||||||
|---|---|---|---|---|---|---|---|---|
| Baseline (n = 304) |
3 months (n = 222) |
6 months (n = 213) |
Baseline (n = 358) |
3 months (n = 289) |
6 months (n = 260) |
Differences between groups at 3 months: test statistics (with P values) | Differences between groups at 6 months: test statistics (with P values) | |
| Comparative risk perceptions | 3.08 (0.75), n = 299 |
3.07 (0.75), n = 222 |
3.12 (0.75), n = 213 | 2.91 (0.80), n = 355 | 3.04 (0.92), n = 288 | 3.08 (0.95), n = 259 | F(1, 502) = 1.207, P = 0.273 |
F(1, 464) = 1.019, P = 0.313 |
| State anxiety |
10.20 (3.80), n = 301 |
10.56 (3.84), n = 221 | 11.10 (4.19), n = 211 |
10.06 (3.67), n = 355 |
10.35 (3.81), n = 288 | 10.54 (3.77), n = 260 | F(1, 502) = 0.017, P = 0.896 |
F(1, 462) = 1.314, P = 0.252 |
| State anxiety (cases)† | 46 (15.3%) | 41 (18.6%) | 42 (19.9%) | 45 (12.7%) | 39 (13.5%) | 42 (16.2%) | Χ2 (1) = 1.01, P = 0.314 | Χ2 (1) = 0.76, P = 0.384 |
| Cancer worry | 12.50 (3.20), n = 300 | 12.09 (2.97), n = 222 | 12.24 (3.03), n = 213 | 12.00 (3.02), n = 355 | 11.97 (2.94), n = 289 | 11.85 (3.04), n = 259 |
F(1, 504) = 1.467, P = 0.226 |
F(1, 465) = 0.418, P = 0.518 |
| Screening knowledge | 6.62 (1.44), n = 295 | 6.83 (1.53), n = 209 | 6.92 (1.57), n = 354 | 7.09 (1.55), n = 256 | F(1, 456) = 1.207, P = 0.273 | |||
| Attitudes towards screening | 14.26 (1.37), n = 298 | 14.43 (1.09), n = 212 | 14.18 (1.35), n = 354 | 14.52 (1.00), n = 254 |
F(1, 458) = 1.049, P = 0.306 |
|||
| Intentions towards screening | 4.50 (1.22), n = 298 | 4.74 (0.90), n = 222 | 4.54 (1.21), n = 213 | 4.45 (1.28), n = 355 | 4.68 (1.00), n = 288 | 4.55 (1.21), n = 259 | F(1, 502) = 0.075, n = 0.785 | F(1, 465) = 0.072, P = 0.788 |
*Higher scores indicate greater levels of each variable, i.e., higher perceived comparative risk, more state anxiety, more cancer worry, higher screening knowledge, more positive attitudes and higher levels of intentions.
†Logistic regression used rather than ANCOVA, as outcome variable dichotomous.