Table 1. Eligibility criteria for participants.

Inclusion criteria	Aged ≥ 18 years old
	Diagnosed with non-specific LBP by a physiotherapist
	Categorized as being at medium or high risk of chronicity using the STarT Back Screening Tool [6]
	Classified as insufficiently physically active (those who engage in less than 150 minutes/week of moderate intensity, or less than 75 minutes/week of vigorous intensity or an equivalent combination of the two intensities of physical activity as determined by IPAQ [27]
	Accessibility to internet
	Readiness and ability to participate in physical activity as determined by PAR-Q. Those deemed not fit to participate in physical activity by the PAR-Q or aged over 69 years, will need a clearance from their medical practitioner before engaging in the walking intervention
Exclusion criteria	Diagnosed with a condition (cardiovascular diseases e.g., myocardial infarction, embolism, or uncontrolled diabetes; orthopaedic impairments; balance problems) that prevent participation in physical exercise
	Diagnosed with serious spinal pathologies (e.g., fractures, tumours or inflammatory diseases such as ankylosing spondylitis)
	Diagnosed with neurological compromise (e.g., spinal nerve compromise or cauda equina syndrome)
	Pregnancy

LBP, low back pain; IPAQ, International Physical Activity Questionnaire; PAR-Q, Physical Activity Readiness Questionnaire