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. 2018 Mar 27;68(671):e433–e440. doi: 10.3399/bjgp18X695765

Table 5.

Effect sizes (Glass’s Δ) between PCOQ baseline and follow-up scores

Subset of observations analysed Health and wellbeing Health knowledge and self-care Confidence in health provision Confidence in health plan
Glass’s Δ (95% CI) n Glass’s Δ (95% CI) n Glass’s Δ (95% CI) n Glass’s Δ (95% CI) n
Patients expected to improvea 0.52 (0.25 to 0.78) 118 0.37 (0.06 to 0.68) 82 0.48 (0.05 to 0.90) 45 0.27 (0.00 to 0.54) 105
Patients expected to stay the sameb 0.13 (−0.17 to 0.42) 90 0.14 (−0.19 to 0.47) 71 −0.02 (−0.25 to 0.21) 141 0.09 (−0.23 to 0.41) 74
a

Identified by the maximum last appointment score for the confidence in health provision domain, and a score >3 (same) in change in main problem for all other domains.

b

Identified by a score below maximum last appointment score for the confidence in health provision domain, and a score of 3 (same) in change in main problem for all other domains. PCOQ = Primary Care Outcomes Questionnaire.