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Table 2 Estimated values and changes from baseline at each visit in SCAS and SDQ by MMRM

From: Effectiveness of a cognitive behavioural therapy-based anxiety prevention programme at an elementary school in Japan: a quasi-experimental study

Score Visit IG (n = 40) Estimated mean (95% CI) CG (n = 30) Estimated mean (95% CI) Between group difference for baseline change p value
SCAS Pre 26.42 (21.74–31.11) 16.23 (10.83–21.64) NA  
Post 19.60 (14.98–24.22) 14.93 (9.60–20.26) − 5.321 (− 10.12 to − 0.523) 0.030
FU 17.48 (13.07–21.88) 14.63 (9.55–19.72) − 7.104 (− 11.90 to − 2.306) 0.004
SDQ Pre 13.10 (11.63–14.58) 9.53 (7.85–11.22) NA  
Post 11.39 (10.00–12.77) 9.53 (7.96–11.12) − 1.975 (− 3.989 to 0.038) 0.054
FU 11.51 (10.11–12.91) 10.87 (9.27–12.46) − 3.284 (− 5.297 to − 1.270) 0.002
  1. SCAS Spence Children’s Anxiety Scale, SDQ Strengths and Difficulties Questionnaire, IG Intervention Group, CG Control Group, FU follow-up, NA not available