Table 6.
The correlation between obesity and age, and individual task performance.
| Outcome | No. of Studies | No. of Participants | R (95% CI) | Z Score | p (Overall Effect) | Heterogeneity I2; Cohen’s Q; p | Egger’s test Intercept (95%CI); p |
Begg’s Test (τ; p) |
|---|---|---|---|---|---|---|---|---|
| Obesity | ||||||||
| Stair climb | 6 | 304 | 0.489 (0.361 to 0.599) | 6.696 | <0.001 ** | 39.2%; 8.23; 0.144 | −1.98 (−6.92 to 2.97); 0.33 | −0.28; 0.44 |
| Five or more tasks | 2 | 160 | 0.537 (0.416 to 0.640) | 7.453 | <0.001 ** | 0.0%; 0.12; 0.729 | 3.43 (--); <0.001 | 1.00; 0.317 |
| Sequential tasks | 4 | 222 | 0.485 (0.375 to 0.581) | 7.670 | <0.001 ** | 36.8%; 4.75; 0.191 | −1.26 (−12.73 to 10.21); 0.682 | −0.33; 0.497 |
| Males only | 5 | 242 | 0.468 (0.308 to 0.577) | 7.654 | <0.001 ** | 33.6%; 6.02; 0.197 | −1.78 (−7.33 to 3.78); 0.383 | −0.32; 0.439 |
| Weight of PPE | 4 | 200 | 0.514 (0.401 to 0.611) | 7.789 | <0.001 ** | 0.0%; 2.07; 0.557 | −1.29 (−6.31 to 3.73); 0.385 | −0.18; 0.709 |
| Full-time only | 4 | 222 | 0.435 (0.259 to 0.583) | 4.543 | <0.001 ** | 48.9%; 5.8771; 0.118 | −3.45 (−11.86 to 4.96); 0.219 | −0.33; 0.497 |
| Hose drag | 5 | 242 | 0.241 (0.095 to 0.378) | 3.580 | <0.001 ** | 19.5%; 4.97; 0.290 | 1.54 (−3.59 to 6.66); 0.411 | 0.53; 0.197 |
| Five or more tasks | 2 | 160 | 0.231 (−0.004 to 0.442) | 1.926 | 0.054 | 55.8%; 2.26; 0.133 | 14.85 (--); <0.001 | 1.00; 0.317 |
| Sequential tasks | 4 | 222 | 0.249 (0.0702 to 0.412) | 2.710 | 0.007 ** | 39.6%; 4.97; 0.174 | 2.46 (−7.39 to 12.31); 0.395 | 0.67; 0.174 |
| Weight of PPE | 4 | 200 | 0.255 (0.117 to 0.383) | 3.577 | <0.001 ** | 31.5%; 4.38; 0.223 | 1.81 (−5.65 to 9.26); 0.407 | 0.55; 0.264 |
| Full-time only | 4 | 222 | 0.206 (0.073 to 0.3310 | 3.022 | 0.003 ** | 0.0%; 2.59; 0.458 | 0.27 (−8.63 to 9.18); 0.908 | 0.33; 0.497 |
| Victim drag | 5 | 242 | 0.254 (0.129 to 0.371) | 3.915 | <0.001 ** | 0.0%; 1.51; 0.825 | −0.35 (−3.51 to 2.81); 0.746 | −0.11; 0.796 |
| Five or more tasks | 2 | 160 | 0.280 (0.129 to 0.419) | 3.575 | <0.001 ** | 0.0%; 0.22; 0.639 | 4.52 (--); <0.001 | 1.00; 0.317 |
| Sequential tasks | 4 | 222 | 0.244 (0.113 to 0.366) | 3.601 | <0.001 ** | 0.0%; 1.15; 0.765 | −1.45 (−5.45 to 2.56); 0.261 | −0.33; 0.497 |
| Males only | 5 | 242 | 0.254 (0.129 to 0.371) | 3.915 | <0.001 ** | 0.0%; 1.51; 0.825 | −0.35 (−3.51 to 2.81); 0.746 | −0.11; 0.796 |
| Weight of PPE | 4 | 200 | 0.275 (0.138 to 0.401) | 3.864 | <0.001 ** | 0.0%; 0.99; 0.805 | −0.16 (−4.53 to 4.2); 0.886 | 0.18; 0.709 |
| Full-time only | 4 | 222 | 0.266 (0.136 to 0.386) | 3.946 | <0.001 ** | 0.0%; 1.08; 0.782 | 0.38 (−5.27 to 6.03); 0.801 | 0.00; 1.000 |
| Forcible entry | 2 | 160 | 0.285 (0.135 to 0.423) | 3.639 | <0.001 ** | 24.1%; 0.1.32; 0.251 | 11.51 (--); <0.001 | 1.00; 0.317 |
| Equipment hoist | 2 | 111 | 0.197 (0.008 to 0.372) | 2.044 | 0.041 * | 0.0%; 0.65; 0.419 | −1.58 (--); <0.001 | −1.00; 0.317 |
| Age | ||||||||
| Stair climb | 4 | 324 | 0.345 (0.166 to 0.502) | 3.669 | <0.001 ** | 62.3%; 7.74; 0.052 | 2.72 (−9.94 to 15.38); 0.453 | 0.33; 0.497 |
| Sequential tasks | 2 | 133 | 0.431 (0.280 to 0.562 | 5.201 | <0.001 ** | 7.7; 1.08; 0.298 | −3.74 (--); <0.001 | −1.00; 0.317 |
| Full-time male firefighters | 3 | 174 | 0.434 (0.302 to 0.549) | 5.963 | <0.001 ** | 0.0%; 1.09; 0.581 | −2.26 (−27.04 to 22.53); 0.454 | −0.33; 0.602 |
| Hose drag | 3 | 222 | 0.0403 (0.094 to 0.173) | 0.589 | 0.556 | 0.0%; 0.26; 0.889 | 0.46 (−19.37 to 20.29); 0.817 | −0.33; 0.602 |
| Victim rescue | 3 | 222 | 0.147 (−0.079 to 0.359) | 1.280 | 0.200 | 62.8%; 5.37; 0.068 | 6.62 (−44.75 to 57.99); 0.349 | 0.33; 0.602 |
| Forcible entry | 2 | 180 | 0.0318 (−0.116 to 0.178) | 0.419 | 0.675 | 0.0%; 0.08; 0.771 | 35.74 (--); <0.001 | 1.00; 0.317 |
Note: * indicates statistical significance <0.05; ** indicates statistical significance <0.01. (--)—indicates insufficient studies to calculate Egger’s test result. PPE—personal protective equipment.; italics—indicates subgroup analysis.