Resting heart rate | n | Deaths | Rate per 1000 person-years | Model 1 hazard ratio (95% CI)* | Model 2 hazard ratio (95% CI)† |
---|---|---|---|---|---|
Age 6 years | 3993 | 453 | 3.05 | ||
10 bpm increment | 0.99 (0.92 to 1.07) | 0.99 (0.92 to 1.07) | |||
Quintiles | |||||
1st ≤80 | 971 | 102 | 2.82 | 1 (reference) | 1 (reference) |
2nd 81–88 | 972 | 134 | 3.74 | 1.33 (1.03 to 1.73) | 1.33 (1.03 to 1.72) |
3rd 89–92 | 470 | 56 | 3.17 | 1.15 (0.83 to 1.59) | 1.17 (0.84 to 1.62) |
4th 93–100 | 885 | 88 | 2.67 | 0.96 (0.72 to 1.28) | 0.96 (0.73 to 1.28) |
5th ≥101 | 695 | 73 | 2.79 | 1.02 (0.75 to 1.37) | 1.02 (0.75 to 1.37) |
Ptrend | 0.4 | 0.4 | |||
Age 7 years | 3912 | 443 | 3.04 | ||
10 bpm increment | 1.05 (0.97 to 1.13) | 1.05 (0.97 to 1.13) | |||
Quintiles | |||||
1st ≤78 | 789 | 77 | 2.59 | 1 (reference) | 1 (reference) |
2nd 79–84 | 964 | 125 | 3.51 | 1.38 (1.04 to 1.83) | 1.40 (1.06 to 1.87) |
3rd 85–90 | 698 | 68 | 2.62 | 1.03 (0.74 to 1.42) | 1.03 (0.74 to 1.43) |
4th 91–99 | 678 | 78 | 3.09 | 1.22 (0.89 to 1.67) | 1.24 (0.90 to 1.70) |
5th ≥100 | 783 | 95 | 3.26 | 1.31 (0.97 to 1.77) | 1.32 (0.97 to 1.78) |
Ptrend | 0.3 | 0.3 | |||
Age 11 years | 3789 | 440 | 3.12 | ||
10 bpm increment | 1.09 (1.01 to 1.17) | 1.08 (1.00 to 1.17) | |||
Quintiles | |||||
1st ≤76 | 905 | 92 | 2.71 | 1 (reference) | 1 (reference) |
2nd 77–80 | 697 | 86 | 3.31 | 1.24 (0.92 to 1.66) | 1.22 (0.91 to 1.64) |
3rd 81–88 | 983 | 120 | 3.26 | 1.22 (0.93 to 1.59) | 1.21 (0.92 to 1.59) |
4th 89–96 | 641 | 67 | 2.82 | 1.08 (0.79 to 1.48) | 1.07 (0.78 to 1.47) |
5th ≥97 | 563 | 75 | 3.61 | 1.43 (1.05 to 1.94) | 1.42 (1.04 to 1.93) |
Ptrend | 0.09 | 0.1 |
Multiple imputation was carried out to impute missing covariates (20 imputations).
*Model adjusted for sex only.
†Model also adjusted for body mass index, height at same age as resting heart rate and father's occupational social class.