Table 2

Quality Appraisal of Included Studies

Study	National Sample	Construct Validity/Defined by Piloting Experts	Stalking Defined	Formal Study Period Used	Response Rate > 60%	Score (out of 5)
Kowalenko et al.¹⁹	No	Yes	Yes	Yes	Yes	4
Gale et al.²⁴	Yes	Yes	No	Yes	Yes	4
Nwachukwu et al.³⁰	Yes	Yes	Yes	No	Yes	4
Gale et al.²⁷	Yes	Yes	No	Yes	No	3
McIvor et al.²⁰	No	Yes	Yes	No	Yes	3
Allnut et al.²²	Yes	No	Yes	Yes (past year)	No	3
Behnam et al.²³	Yes	Yes	No	Yes	Not determined	3
Whyte et al.²⁸ Maclean et al.²⁹	Yes	No	Yes	Yes	No	3
Hughes et al.²⁰	Yes	No	Yes	No	No	2
Abrams and Robinson²⁵; Part II³¹	No	Yes	Yes	No	No	2
Forrest et al.²⁶	Yes	No	No	Yes	No	2
Morgan and Porter¹⁸	Yes	No	No	No	Yes	2