Table 5.
Risk of incident hip fracture for continuous z-scores stratified by age at baseline. HR, hazard ratio.
| Exposure | Men (n = 54,013) |
Women (n = 63,040) |
||||||
|---|---|---|---|---|---|---|---|---|
| Age ≤ 50 (n = 19,494) 28 hip fractures |
Age > 50 (n = 34,519) 251 hip fractures |
Age ≤ 50 (n = 23,209) 12 hip fractures |
Age > 50 (n = 39,831) 655 hip fractures |
|||||
| HR (95% CI)a | p | HR (95% CI)a | p | HR (95% CI)a | p | HR (95% CI)a | p | |
| BMI | 0.64 (0.41,1.01) | 0.0527 | 0.81 (0.70,0.93) | 0.0024 | 0.53 (0.21,1.31) | 0.1682 | 0.87 (0.80,0.95) | 0.0018 |
| Log blood glucose | 0.92 (0.57,1.49) | 0.7352 | 1.03 (0.93,1.15) | 0.5694 | 1.12 (0.58,2.18) | 0.7376 | 1.04 (0.97,1.10) | 0.2589 |
| Cholesterol | 1.13 (0.76,1.67) | 0.5551 | 1.00 (0.88,1.14) | 0.9791 | 0.56 (0.26,1.22) | 0.1446 | 0.90 (0.83,0.98) | 0.0136 |
| Log triglycerides | 1.04 (0.71,1.53) | 0.8511 | 1.15 (1.00,1.32) | 0.0530 | 1.12 (0.62,2.03) | 0.7055 | 1.00 (0.91,1.09) | 0.9036 |
| MAP | 0.75 (0.46,1.22) | 0.2398 | 1.00 (0.88,1.14) | 0.9912 | 0.57 (0.24,1.39) | 0.2153 | 0.96 (0.88,1.04) | 0.3223 |
| MetS score | 0.93 (0.52,1.67) | 0.8114 | 1.10 (0.93,1.29) | 0.2860 | 0.66 (0.22,1.93) | 0.4440 | 0.95 (0.85,1.07) | 0.4031 |
BMI, body mass index; MAP, mean arterial pressure; MetS, metabolic syndrome.
a
Cox regression models are stratified by categories of birth year and adjusted for age at baseline, smoking and BMI (except for BMI).