“…For example, Walking for Health has approximately 70,000 participants across the UK [73], and 5045 adults were exposed to walking groups across the 14 identified intervention studies. When we examined reach across PROGRESS-Plus characteristics, however, walkers were predominantly women [37,45,46,50,53,56,59,75,76,78,82,89,90], white [43,46,75,76,89], socioeconomically advantaged [38,46,71,72,75,77] and mid-to-older aged [15,20,40,46,49,53,55,59,75,76,90]. Overall, our assessment corroborated previous findings [6,7,19,20], and contrasted with Ball et al's recent conclusions [5].…”