Table 3

COVIQuest_MH subtrial comparison of hospitalisations within 1 month

Hospitalisation, n (%)OR* (95% CI), p valueRisk difference* (95% CI), p valueICC (95% CI)
A: control group (n1=548)B: intervention group (phone call) (n2=832)A: control groupB: intervention group (phone call)
Full data set12 (2.19)27 (3.25)1.52 (0.82 to 2.81), 0.1801.38 (0.06 to 2.70), 0.0400.014 (−0.017 to 0.067)0.002 (−0.018 to 0.036)
Adjusted analysis†1.52 (0.82 to 2.81), 0.1791.38 (0.07 to 2.68), 0.038
Completers‡12/500 (2.40)27/550 (4.91)2.14 (1.15 to 3.99), 0.0172.79 (0.80 to 4.78), 0.0060.012 (−0.020 to 0.068)0.018 (−0.016 to 0.074)
  • *Adjustment on region.

  • †Adjustment on region, age and sex.

  • ‡Missing data were considered as no hospitalisation.

  • COVIQuest_MH, patients with mental health disorder; ICC, intraclass correlation coefficient.