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. 2020 Jul 6;22(7):e18723. doi: 10.2196/18723

Table 6.

Reliable improvement and recovery for participants grouped by their baseline levels of depression and anxiety symptoms.

Participant sub-group Reliable improvement, n (%) Recovery, n (%) Reliable improvement and recovery, n (%) Reliable improvement or recovery, n (%)
Baseline depression (PHQ-9 ≥10; n=225) 149 (66.2) 167 (74.2) 141 (62.7) 175 (77.8)
Baseline anxiety (GAD-7≥8; n=352) 245 (69.6) 247 (70.2) 217 (61.7) 275 (78.1)
Baseline depression and anxiety (PHQ-9≥10 and GAD-7≥8; n=192) 115 (59.8)a 120 (62.5)b 105 (54.6)c 130 (67.7)d
Baseline depression or anxiety (PHQ-9≥10 or GAD-7≥8; n=385) 283 (73.5)e 319 (82.8)f 258 (67.0)g 336 (87.2)h

a Calculated as reliable improvement on PHQ-9 AND GAD-7

b Calculated as recovery on PHQ-9 AND GAD-7

c Calculated as (reliable improvement and recovery on PHQ-9) OR (reliable improvement and recovery on GAD-7)

d Calculated as (reliable improvement OR recovery on PHQ9) OR (reliable improvement OR recovery on GAD7)

e Calculated as reliable improvement on PHQ-9 OR GAD-7

f Calculated as recovery on PHQ-9 OR GAD-7

g Calculated as (reliable improvement AND recovery on PHQ-9) OR (reliable improvement AND recovery on GAD-7)

h Calculated as (reliable improvement OR recovery on PHQ-9) OR (reliable improvement OR recovery on GAD-7)