Table 5 Illness rate per 1000 h of physical activity and comparison of illness rates per group
Group comparisons | Mean minutes PA per day (range min-max) | Cumulative hours of PA during 1 year per group | Number of illnesses (95% CI) | Illness rate (95% CI) | IRD (95% CI) IRR (95% CI) | p-value |
|---|---|---|---|---|---|---|
Group 0 (non-sports) + group 1 (sports 1x/wk) Vs. Group 2 (sports ≥2x/wk) | 134.6 (59–244) 171.8 (73–292) | 19,693 44,937 | 37 (26.1 to 51) 53 (39.7 to 69.3) | 1.88 (1.4 to 1.2) 1.18 (1.1 to 1.6) | IRD = 0.7 (0.07 to 1.31) IRR = 1.6 (1.0 to 2.5) | 0.028* |
Group 0 (non-sports) Vs. Group 1 (sports 1x/wk) | 146.2 (80–244) 123.6 (59–182) | 10,674 9019 | 20 (12.2 to 30.9) 17 (9.9 to 27.2) | 1.87 (1.9 to 1.3) 1.88 (1.9 to 1.3) | IRD = − 1.12 (− 1.23 to 1.20) IRR = 0.99 (0.5 to 2.0) | 0.986 |
Group 1 (sports 1x/wk) Vs. Group 2 (sports ≥2x/wk) | 123.6 (59–182) 171.8 (73–292) | 9019 44,937 | 17 (9.9 to 27.2) 53 (39.7 to 69.3) | 1.88 (1.9 to 1.3) 1.18 (1.1 to 1.6) | IRD = 0.7 (−0.1 to 1.5) IRR = 1.59 (0.9 to 2.8) | 0.090 |
Group 2 (sports ≥2x/wk) Vs. Group 0 (non-sports) | 171.8 (73–292) 146.2 (80–244) | 44,937 10,674 | 53 (39.7 to 69.3) 20 (12.2 to 30.9) | 1.18 (1.1 to 1.6) 1.87 (1.9 to 1.3) | IRD = 0.7 (1.5 to 0.1) IRR =0.63 (0.4 to 1.1) | 0.075 |