Table 1

Questionnaire subsections, details and measures

SectionDetailsMeasure
Part 1. Demographics
  1. Gender, age, other medical conditions, age of diagnosis, home location

  2. Education, learning level, verbal/non-verbal

Interventions and therapies received
Tick boxes, yes/no options, free text
Part 2. Parenting and autism
  1. Perceived competence

    From: Self-determination theory

    Deci and Ryan27 28

  2. Caregiver strain questionnaire

    From: Brannan et al29 and Khanna et al30

     Objective strain

     Subjective internalised strain

     Subjective externalised strain

Four items on a seven-point scale
21 items on a five-point scale
 11 items
 6 items
 4 items
Part 3. Environment and public
  1. Environment safety and security

    Adapted from scale structures: Rosenberg et al31

  2. Public perception

Eight items on a seven-point scale
Four items on a seven-point scale
Part 4. Benefits and constraints
  1. Benefits of having an assistance dog

  2. Constraints of having an assistance dog

Free text