Table 3.
Effect sizes.
| Variable | Scale range | Adjusted mean (SE) change | Comparison | ||||
|
|
|
LungTalk | Nontailored lung screening information sheet | F test (df1, df2) | P value | Mean difference (95% CI) | Cohen d effect sizea |
| Total knowledge | 0-6 | 2.41 (0.20) | 1.06 (0.21) | 21.5 (1, 56) | <.01 | 1.35 (0.77, 1.93) | 0.8482 |
| Total perceived risk | 3-12 | –0.26 (0.34) | 0.58 (0.35) | 3.03 (1, 56) | .09 | –0.85 (–1.83, 0.13) | –0.3179 |
| Total perceived benefits | 6-24 | 1.07 (0.45) | –0.18 (0.45) | 3.79 (1, 56) | .06 | 1.25 (–0.04, 2.54) | 0.3555 |
| Total perceived barriers | 17-68 | –0.72 (1.06) | –2.32 (1.07) | 1.12 (1, 56) | .29 | 1.60 (–1.43, 4.62) | 0.1931 |
| Total self-efficacy | 9-36 | 1.37 (0.54) | 2.17 (0.55) | 1.08 (1, 56) | .30 | –0.80 (–2.35, 0.75) | –0.1896 |
aPositive effect size indicates greater increase from T1 to T2 for LungTalk than for InfoSheet. Negative effect size indicates greater increase from T1 to T2 for InfoSheet than for LungTalk.