Table 1 SPIRIT schedule of enrolment, interventions, and assessments

TIMEPOINT

-t₁

0

t_1(baseline)

t_2(training)

t_3(follow-up)

t_4(booster)

T_{5(follow-up 2); month 7}

ENROLMENT:

X

Eligibility screen

X

Informed consent

X

Allocation

X

INTERVENTIONS:

 Active IVY- treatment group

X

X

X

X

X

 Delayed treatment control group

X

X

X

ASSESSMENTS:

 Demographics

X

 Self-identity bias

X

X

X

X

X

 Fatigue

X

X

X

X

X

 Vitality

X

X

X

X

X

Behaviour (all-or-nothing & avoidance)

X

X

X

X

X