Table 2

Analysis of primary outcomes measured at 6 months

ESS scorePrimary care
(n=149)
Sleep unit
(n=153)
DifferenceDifference in the mean change adjusted for baseline (ITT)
Mean (95%  CI)Mean (95%  CI)Mean (95% CI)Mean (95%  CI)P values
Baseline10.12 (9.37 to 10.87)8.85 (8.02 to 9.67)
6 months7.61 (6.85 to 8.36)5.73 (5.05 to 6.42)
Change−2.49 (−3.30 to −1.69)‡−3.11 (−3.94 to −2.28)‡−0.61 (−1.77)−1.25 (−1.88)* 0.025