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Table 3 Paired-samples t-test results comparing radon knowledge, attitudes, and threat and coping appraisal variables between pre-exposure and post-exposure tests

From: Communicating radon risk via a smartphone app: a pilot intervention study

VariablesPre-exposure test
(N = 97)
Mean (SD)
Post-exposure test
(N = 93)
Mean (SD)
t (df) ap value
Radon knowledge6.45 (4.77)10.42 (4.59)7.69 (91)< .001
Attitudes toward radon testing5.40 (1.34)6.31 (.91)6.08 (91)< .001
Perceived severity6.60 (.92)6.64 (.82).45 (91).66
Perceived susceptibility3.03 (1.65)3.26 (1.73)1.22 (91).23
Response efficacy4.93 (1.37)5.38 (1.06)3.01 (91)<.01
Self-efficacy3.60 (1.26)5.29 (1.10)11.83 (91)<.001
  1. a calculated by paired-samples t-test