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Table 3 Mean scores for questionnaire scales & linear regression to determine difference in score over time

From: Barriers to integrating routine depression screening into community low vision rehabilitation services: a mixed methods study

Scale Timepoint Mean SD Linear Regression
Difference in means 95% CI p-value
Action taken Pre-training −1.382 2.3073 Reference category
Follow-up 1.386 2.3030 2.768 1.925 to 3.611 < 0.001
Log likelihood = − 177.608; Wald χ2 = 41.42, p < 0.001
Perceived barriers Pre-training −0.474 1.3793 Reference category
Post-training −1.121 1.4637 −0.647 −1.012 to − 0.282 0.001
Follow-up −1.424 1.6457 −0.950 −1.315 to − 0.585 < 0.001
Log likelihood = − 188.596; Wald χ2 = 27.15, p < 0.001