Table 9 Objectives coding

Objective 1

2

Single (CBT, HA, SC, ST),

Combination (CBT + HA, CBT + SC, CBT + ST, HA + SC, HA + ST, ST + SC)

All single vs. all combined treatments

Objective 2

10

CBT, HA, SC, ST, CBT + HA, CBT + SC, CBT + ST, HA + SC, HA + ST, ST + SC

Each treatment against each other

Objective 3 (CBT)

2

Single CBT (CBT),

Combination CBT (CBT + HA, CBT + SC, CBT + ST)

Single CBT vs. combined treatments with CBT

Objective 3 (HA)

2

Single HA (HA),

Combination HA (HA + CBT, HA + SC, HA + ST)

Single HA vs. combined treatments with HA

Objective 3 (SC)

2

Single SC (SC),

Combination SC (SC + CBT, SC + HA, SC + ST)

Single SC vs. combined treatments with SC

Objective 3 (ST)

2

Single ST (ST),

Combination ST (ST + CBT, ST + HA, ST + SC)

Single ST vs. combined treatments with ST

Objective 4 (CBT)

2

CBT (CBT, CBT + HA, CBT + SC, CBT + ST),

No CBT (HA, SC, ST, HA + SC, HA + ST, ST + SC)

Treatments with CBT vs. treatments without CBT

Objective 4 (HA)

2

HA (HA, HA + CBT, HA + SC, HA + ST),

No HA (CBT, SC, ST, CBT + SC, CBT + ST, ST + SC)

Treatments with HA vs. treatments without HA

Objective 4 (SC)

2

SC (SC, SC + CBT, SC + HA, SC + ST),

No SC (CBT, HA, ST, CBT + HA, CBT + ST, HA + ST)

Treatments with SC vs. treatments without SC

Objective 4 (ST)

2

ST (ST, ST + CBT, ST + HA, ST + SC),

No ST (CBT, HA, SC, CBT + HA, CBT + SC, HA + SC)

Treatments with ST vs. treatments without ST

Objective 5

3

Brain (CBT, SC, CBT + SC),

Ear (HA, ST, HA + ST)

Brain + Ear (CBT + HA, CBT + ST, HA + SC, SC + ST)

Ear mediated vs. brain mediated vs. ear and brain mediated treatments