“…In Figure 3, the category "Others" referred to FI measurements that were characterized by FI proxies, adapted versions of some other methods, and less popular methods of measuring FI in the Nigerian studies included in this review. Some studies (for instance, [61,78,98]), employed two-item, three-item, and four-item questions to assess FI among the participants, respectively. The three-item version of the HFSSM was adapted by [60,82].…”