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Table 3 Differences between intervention and control condition at baseline and follow-up for primary outcomes

From: Addressing sickness absence among adolescents and young adults: an evaluation of the Medical Advice for Sick-reported Students intervention

Primary outcomes Baseline Follow-up
Total Intervention condition Control condition p-value Total Intervention condition Control condition p-value
Days of sickness absence in past 8 weeks, mean (SD) 6.0 (6.6) 7.2 (6.4) 5.1 (6.6) .028 3.0 (3.7) 2.9 (3.4) 3.1 (3.9) .803
Education fit, n yes/a bit (%)a 167 (87.4) 68 (86.1) 99 (88.4) .634 156 (88.1) 68 (94.4) 88 (83.8) .032
School performance, n above average/average (%)b 124 (64.6) 49 (61.3) 75 (67.0) .414 140 (79.1) 59 (81.9) 81 (77.1) .440
  1. Note: bold numbers indicate statistical significance (p < 0.05) between the intervention condition and the control condition, calculated using an independent-samples t-test (continuous variables) or a chi-square test (categorical variables)
  2. aMeasured on a 5-point Likert scale, dichotomized into ‘yes’ (i.e. ‘yes’ and ‘a bit’) and ‘no’ (i.e. ‘I do not know-no’)
  3. bMeasured on a 5-point Likert scale, dichotomized into ‘good’ (i.e. ‘very good’ and ‘good’) and ‘not good’ (i.e. ‘average and less’)