“…Less than half of the studies used a health behavior theory or a behavior change technique as part of their framework for their research (n = 11 [18,20,22,25,27,29,32,34,35,[38][39][40]. Nineteen studies did not use or explicitly describe any theoretical framework in their research [8,9,16,17,19,21,23,24,26,28,30,31,33,36,37,[41][42][43].…”