Relative risk (95% CI) of injury in Ontario (2004–2008) relative to 12 : 00–13 : 59 by gender, data source, age and 2 h time intervals
| Lost-time claims | Emergency department records | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Hour | Aged 15–24 | Aged 25–34 | Aged 35–44 | Aged 45–54 | Aged 55–64 | Aged 15–24 | Aged 25–34 | Aged 35–44 | Aged 45–54 | Aged 55–64 |
| Males | ||||||||||
| 12 : 00–1 : 59 | 1.25 (1.03 to 1.51) | 2.10 (1.76 to 2.50) | 2.56 (2.24 to 2.91) | 2.99 (2.69 to 3.32) | 2.50 (2.16 to 2.89) | 2.53 (2.13 to 3.00) | 3.32 (2.82 to 3.91) | 3.43 (2.96 to 3.97) | 3.44 (3.09 to 3.84) | 2.88 (2.61 to 3.19) |
| 2 : 00–3 : 59 | 1.58 (1.24 to 2.04) | 2.07 (1.68 to 2.56) | 2.63 (2.28 to 3.03) | 3.18 (2.79 to 3.63) | 2.93 (2.52 to 3.42) | 2.50 (2.03 to 3.07) | 2.97 (2.48 to 3.55) | 3.09 (2.70 to 3.55) | 2.98 (2.65 to 3.36) | 2.45 (2.21 to 2.71) |
| 4 : 00–5 : 59 | 1.04 (0.83 to 1.30) | 1.24 (1.02 to 1.50) | 1.65 (1.44 to 1.88) | 1.84 (1.66 to 2.04) | 1.66 (1.44 to 1.91) | 1.08 (0.86 to 1.37) | 1.28 (1.06 to 1.54) | 1.33 (1.16 to 1.52) | 1.34 (1.20 to 1.50) | 1.09 (0.98 to 1.21) |
| 6 : 00–7 : 59 | 1.05 (0.83 to 1.32) | 1.35 (1.14 to 1.58) | 1.54 (1.37 to 1.74) | 1.67 (1.53 to 1.82) | 1.58 (1.41 to 1.77) | 0.66 (0.59 to 0.75) | 0.83 (0.74 to 0.93) | 0.86 (0.76 to 0.97) | 0.98 (0.90 to 1.06) | 0.92 (0.86 to 0.97) |
| 8 : 00–9 : 59 | 1.19 (0.97 to 1.47) | 1.36 (1.16 to 1.59) | 1.39 (1.23 to 1.57) | 1.38 (1.26 to 1.52) | 1.35 (1.22 to 1.49) | 0.93 (0.82 to 1.04) | 0.98 (0.89 to 1.09) | 1.05 (0.94 to 1.17) | 1.11 (1.05 to 1.19) | 1.13 (1.08 to 1.18) |
| 10 : 00–11 : 59 | 1.38 (1.14 to 1.67) | 1.45 (1.24 to 1.69) | 1.43 (1.25 to 1.64) | 1.46 (1.33 to 1.59) | 1.48 (1.34 to 1.63) | 1.06 (0.95 to 1.18) | 1.09 (0.98 to 1.20) | 1.13 (1.02 to 1.25) | 1.16 (1.09 to 1.23) | 1.13 (1.07 to 1.18) |
| 12 : 00–13 : 59 | 000 | 000 | 000 | 000 | 000 | 000 | 000 | 000 | 000 | 000 |
| 14 : 00–15 : 59 | 1.15 (0.96 to 1.38) | 1.17 (1.01 to 1.36) | 1.13 (0.98 to 1.30) | 1.20 (1.09 to 1.32) | 1.23 (1.11 to 1.35) | 0.90 (0.82 to 0.99) | 0.84 (0.76 to 0.93) | 0.83 (0.75 to 0.92) | 0.85 (0.81 to 0.90) | 0.88 (0.82 to 0.93) |
| 16 : 00–17 : 59 | 1.03 (0.85 to 1.25) | 1.16 (0.98 to 1.37) | 1.10 (0.96 to 1.26) | 1.15 (1.06 to 1.26) | 1.18 (1.03 to 1.34) | 1.01 (0.90 to 1.13) | 1.12 (1.01 to 1.24) | 1.12 (1.01 to 1.24) | 1.15 (1.08 to 1.21) | 1.15 (1.09 to 1.21) |
| 18 : 00–19 : 59 | 1.21 (1.03 to 1.42) | 1.45 (1.25 to 1.67) | 1.48 (1.31 to 1.66) | 1.58 (1.45 to 1.73) | 1.58 (1.41 to 1.77) | 1.65 (1.46 to 1.86) | 2.23 (1.97 to 2.52) | 2.42 (2.17 to 2.71) | 2.40 (2.24 to 2.58) | 2.37 (2.18 to 2.59) |
| 20 : 00–21 : 59 | 1.34 (1.11 to 1.61) | 1.60 (1.36 to 1.89) | 1.71 (1.50 to 1.95) | 1.91 (1.74 to 2.09) | 1.81 (1.61 to 2.05) | 1.91 (1.70 to 2.14) | 2.68 (2.37 to 3.04) | 2.61 (2.32 to 2.93) | 2.54 (2.34 to 2.75) | 2.28 (2.07 to 2.51) |
| 22 : 00–23 : 59 | 1.36 (1.12 to 1.65) | 2.12 (1.79 to 2.49) | 2.18 (1.92 to 2.48) | 2.85 (2.56 to 3.17) | 2.20 (1.92 to 2.53) | 1.89 (1.61 to 2.23) | 2.68 (2.29 to 3.14) | 2.49 (2.16 to 2.86) | 3.07 (2.75 to 3.42) | 2.25 (2.08 to 2.43) |
| Females | ||||||||||
| 12 : 00–1 : 59 | 1.35 (1.07 to 1.70) | 3.26 (2.76 to 3.85) | 6.34 (5.34 to 7.51) | 3.41 (3.06 to 3.80) | 3.86 (2.81 to 5.32) | 2.98 (2.62 to 3.38) | 4.54 (3.84 to 5.37) | 6.81 (5.72 to 8.10) | 4.00 (3.70 to 4.32) | 5.13 (4.60 to 5.71) |
| 2 : 00–3 : 59 | 2.26 (1.77 to 2.87) | 3.69 (3.06 to 4.44) | 6.28 (5.15 to 7.66) | 4.24 (3.78 to 4.76) | 4.78 (3.66 to 6.23) | 2.62 (2.16 to 3.19) | 4.79 (4.12 to 5.57) | 6.93 (5.92 to 8.12) | 3.93 (3.57 to 4.33) | 4.47 (3.55 to 5.64) |
| 4 : 00–5 : 59 | 1.45 (1.10 to 1.92) | 3.03 (2.40 to 3.83) | 4.41 (3.71 to 5.25) | 2.66 (2.40 to 2.95) | 1.86 (1.42 to 2.42) | 1.34 (1.12 to 1.59) | 2.57 (2.04 to 3.25) | 3.14 (2.63 to 3.76) | 1.76 (1.54 to 2.02) | 1.40 (1.26 to 1.56) |
| 6 : 00–7 : 59 | 1.80 (1.46 to 2.21) | 2.43 (2.05 to 2.88) | 2.80 (2.41 to 3.26) | 2.38 (2.29 to 2.48) | 2.50 (2.07 to 3.00)) | 1.09 (0.95 to 1.25) | 1.44 (1.26 to 1.63) | 1.49 (1.32 to 1.67) | 1.21 (1.14 to 1.28) | 1.38 (1.28 to 1.48) |
| 8 : 00–9 : 59 | 1.29 (1.06 to 1.57) | 1.17 (1.00 to 1.36) | 1.36 (1.15 to 1.61) | 1.29 (1.20 to 1.39) | 1.23 (1.05 to 1.43) | 0.95 (0.87 to 1.05) | 0.91 (0.82 to 1.01) | 1.03 (0.95 to 1.11) | 1.05 (1.01 to 1.09) | 1.07 (1.01 to 1.13) |
| 10 : 00–11 : 59 | 1.26 (1.07 to 1.48) | 1.26 (1.09 to 1.44) | 1.27 (1.07 to 1.50) | 1.32 (1.25 to 1.39) | 1.18 (1.00 to 1.39) | 1.05 (0.98 to 1.11) | 1.04 (0.94 to 1.14) | 1.07 (0.99 to 1.16) | 1.10 (1.04 to 1.16) | 1.12 (1.05 to 1.19) |
| 12 : 00–13 : 59 | 000 | 000 | 000 | 000 | 000 | 000 | 000 | 000 | 000 | 000 |
| 14 : 00–15 : 59 | 1.07 (0.90 to 1.28) | 0.99 (0.85 to 1.14) | 1.06 (0.90 to 1.24) | 1.14 (1.07 to 1.21) | 1.07 (0.92 to 1.23) | 0.96 (0.91 to 1.02) | 0.92 (0.83 to 1.01) | 0.88 (0.82 to 0.94) | 0.91 (0.87 to 0.95) | 0.99 (0.95 to 1.04) |
| 16 : 00–17 : 59 | 1.08 (0.91 to 1.27) | 1.29 (1.12 to 1.48) | 1.26 (1.10 to 1.44) | 1.24 (1.20 to 1.29) | 1.20 (1.02 to 1.40) | 1.18 (1.10 to 1.26) | 1.49 (1.36 to 1.64) | 1.45 (1.36 to 1.55) | 1.41 (1.34 to 1.48) | 1.50 (1.42 to 1.58) |
| 18 : 00–19 : 59 | 1.63 (1.36 to 1.95) | 2.09 (1.81 to 2.40) | 2.21 (1.88 to 2.59) | 1.98 (1.87 to 2.09) | 1.94 (1.58 to 2.38) | 1.86 (1.74 to 1.98) | 3.42 (3.11 to 3.78) | 3.60 (3.32 to 3.91) | 2.99 (2.78 to 3.21) | 2.95 (2.74 to 3.18) |
| 20 : 00–21 : 59 | 1.84 (1.57 to 2.16) | 2.45 (2.11 to 2.84) | 2.54 (2.15 to 2.99) | 2.21 (2.07 to 2.36) | 2.51 (2.08 to 3.03) | 2.50 (2.32 to 2.70) | 3.96 (3.52 to 4.46) | 3.90 (3.55 to 4.29) | 3.01 (2.86 to 3.16) | 3.43 (3.17 to 3.71) |
| 22 : 00–23 : 59 | 1.88 (1.58 to 2.23) | 3.15 (2.67 to 3.72) | 4.01 (3.38 to 4.75) | 2.89 (2.67 to 3.13) | 3.52 (2.83 to 4.38) | 3.05 (2.74 to 3.39) | 4.59 (4.05 to 5.22) | 5.18 (4.57 to 5.87) | 3.37 (3.20 to 3.55) | 5.26 (4.83 to 5.73) |