Table 2.

Main outcome indices and measures across the study phases.

Main outcome indices and measures	Screen	Baseline	Mid-	Post- and Follow-up
Initial screening and study eligibility
Phone screen protocol (incl. medical comorbidities)	x
Depression (BDI-FS)	x
Anxiety (GAD-7)	x
Inclusion/exclusion criteria
SCID assessment (incl. psychiatric comorbidities)	x
Sociodemographic data	x
Online questionnaires
Exercise related measures
Physical activity levels	x	x		x
Exercise readiness		x		x
Exercise self-efficacy and barriers (ESES; BARSE)		x		x
Confidence and support for exercise (SSES)		x		x
Program and outcome expectations		x		x
Resolve		x	x (Wk4 & 8)	x
Sedentary behaviour (Sitting Time Questionnaire)		x		x
Psychological functioning measures
Self-esteem (SISE)		x		x
Eating disorder behaviours (EDE-Q)		x		x
Quality of life and (Q-LES-Q-SF)		x		x
Life satisfaction (SWLS)		x		x
Physical self-concept and physique anxiety (PSDQ-S; SPAS)		x		x
Alcohol and other drug use (AUDIT)		x		x
Psychological assessment
Depression and associated factors
SCID assessment for current MDD		x		x
Depression severity (BDI-II)		x	x	x
Anxiety (BAI)		x		x
Cognitive changes (ATQ; DASF1 & DASF2)		x	x	x
Behavioural activation (BADS-SF)		x	x	x
Somatic symptoms (DSSS; PHQ-15)		x	x	x
Physical fitness and physiological assessments
Exercise and Sports Science Australia (ESSA) screen		x		x
Sedentary behaviour (Sitting Time Questionnaire)		x		x
Exercise history		x		x
Developmental maturation		x		x
Maximal aerobic capacity		x		x
Muscular strength endurance		x		x
Anthropometrics (e.g., BMI, body composition)		x		x
Biological markers
IL6, BDNF, blood samples stored		x		x