Table 3.
Psychological outcomes in the positive test (+ve) and CGs (no test) from 1 to 12 months
| 1m | 3m | 6m | 12m | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| +ve test, M (SD) | No test, M (SD) | Adj. diff. in means [95% CI] | +ve test, M (SD) | No test, M (SD) | Adj. diff. in means [95% CI] | +ve test, M (SD) | No test, M (SD) | Adj. diff. in means [95% CI] | +ve test, M (SD) | No test, M (SD) | Adj. diff. in means [95% CI] | P-value diff. between groups over time | |
| PANAS positive | 31.87 (8.62) | 30.61 (8.50) | 0.54 [−0.60, 1.57] | 30.29 (9.14) | 30.00 (8.39) | −0.20 [−1.34, 0.94] | 30.90 (9.68) | 30.15 (9.25) | 0.28 [−0.85, 1.43] | 31.11 (9.92) | 30.43 (9.49) | 0.45 [−0.71, 1.60] | 0.56 |
| PANAS negative | 16.47 (7.15) | 16.94 (7.53) | 16.17 (7.25) | 17.29 (7.83) | 16.02 (6.97) | 17.03 (8.00) | 16.23 (7.61) | 16.97 (8.10) | |||||
| PANAS negative (log) | 2.72 (0.38) | 2.75 (0.39) | −0.01 [−0.07, 0.04] | 2.70 (0.39) | 2.76 (0.40) | −0.06 [−0.12, 0.00] | 2.70 (0.37) | 2.75 (0.40) | −0.03 [−0.09, 0.03] | 2.70 (0.39) | 2.74 (0.41) | −0.03 [−0.09, 0.03] | 0.29 |
| LCWS—impact | 3.39 (1.62) | 3.28 (1.63) | 0.13 [−0.08, 0.34] | 3.34 (1.60) | 3.31 (1.60) | 0.01 [−0.20, 0.22] | 3.29 (1.60) | 3.30 (1.64) | 0.01 [−0.22, 0.21] | 3.22 (1.66) | 3.35 (1.60) | −0.12 [−0.33, 0.09] | 0.09 |
| +ve test, N (%) | No test, N (%) | OR [95% CI] | +ve test, N (%) | No test, N (%) | OR [95% CI] | +ve test, N (%) | No test, N (%) | OR [95% CI] | +ve test, N (%) | No test, N (%) | OR [95% CI] | ||
| LCWS—frequency | 200 (64.52) | 214 (62.76) | 1.65 [0.84, 3.21] | 186 (61.59) | 207 (62.35) | 1.17 [0.60, 2.29] | 191 (64.09) | 204 (62.01) | 1.61 [0.82, 3.16] | 168 (58.74) | 196 (61.64) | 0.99 [0.50, 1.95] | 0.45 |
| LCWS—worry | 73 (23.55) | 52 (15.25) | 3.40 [1.69, 6.84] | 55 (18.27) | 56 (16.92) | 1.43 [0.70, 2.91] | 54 (18.24) | 57 (17.48) | 1.30 [0.64, 2.65] | 50 (17.48) | 68 (21.52) | 0.71 [0.35, 1.44] | 0.002 |
Adjusted for study site (Greater Glasgow and Clyde, Tayside), minimization variables (age group, gender and smoking history) and baseline values where measured. M = mean. 1m = 1 month, 3m = 3 months, 6m = 6 months, 12m = 12 months.