Table 2.
Summary of findings from cross-sectional studies which provided the prevalence of school safety.
| Studies | Participants, n | Response | Design | School | Unsafe Total | Unsafe Boys | Unsafe Girls | Safe Total | Safe Boys | Safe Girls | Certainty of Evidence |
|---|---|---|---|---|---|---|---|---|---|---|---|
| [34] | 11,986 | 4-point Likert | CS | S | 9.8 | 90.2 | Fair—risk of measurement bias | ||||
| [31] | 20,138 | Yes/No | CS | E/S | 11.0 | 12.1 | 10.4 | NR | Fair—risk of measurement bias | ||
| [35] | 5138 | 5-point Likert | CS | S | 10.2 | 89.8 | Fair—risk of measurement bias | ||||
| [36] | 122,840 | 4-point Likert | CS | S | 18.1 | 81.9 | Fair—risk of selection bias | ||||
| [37] | 75,590 | 4-point Likert | CS | S | 6.1 | 93.9 | Good | ||||
| [32] | 1865 | 4-point Likert | CS | S | 69.1 | 68.4 | 69.9 | 30.8 | 31.6 | 30.1 | Fair due to risk of measurement bias |
| [38] | 1249 | 4-point Likert | CS | S | 30.9 | 69,1 | Fair due to risk of confounding bias | ||||
| [39] | 4118 | 4-point Likert | CS | S | 25.0 | 75.0 | Fair—risk of confounding bias | ||||
| [40] | 658,122 | 4-point Likert | LS | S | 15.1 | 84.9 | Good | ||||
| [41] | 7958 | 4-point Likert | CS | S | 22.1 | 77.9 | Fair—risk of measurement bias | ||||
| [42] | 71,560 | Yes/No | CS | S | 15.7 | 84.3 | Fair—risk of selection bias | ||||
| [33] | 542 | Yes/No | CS | S | 26.9 | 73.1 | Fair—study design | ||||
| [43] | 126,868 | 4-point Likert | CS | S | 7.6 | 92.4 | Good | ||||
| [22] | 9619 | Yes/No | CS | S | 18.9 | 81.1 | Good | ||||
| [44] | 2231 | 5-point Likert | CS | S | NR | 58.0 | Fair—risk of selection bias | ||||
| [30] | 3997 | 4-point Likert | CS | S | 2008: 13.1 | 14.7 | 11.0 | 86.9 | 85.3 | 89.0 | Good |
| 2014: 11.4 | 11.5 | 11.2 | 88.6 | 88.5 | 88.8 |
Note: Schools: elementary (E), secondary (S), CS = Cross-sectional, LS = Longitudinal, NR = Not reported. The numbers have been rounded to one decimal point.