| Adiposity | Bone Health (age 10–12 years) | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Waist circumference (age 6–8 years; cm) | Waist circumference (age 9–11 years; cm) | BMI z-score (age 6–8 years) | BMI z-score (age 9–11 years) | Total body BMD z-score | Lumbar Spine (L2–4) z-Score | Total body BMC | Lumbar spine (L2–4) | Fracture history | ||||||||||
b | 95%CI | b | 95%CI | b | 95%CI | b | 95%CI | B | 95%CI | b | 95%CI | B | 95%CI | B | 95%CI | OR | 95%CI | |
Model 1: Meets all 3 guidelines | −0.33 | −1.75, 1.08 | −2.01 | −4.03, 0.00 | − 0.07 | − 0.22, 0.07 | −0.26 | − 0.47, − 0.05 | 0.09 | −0.32, 0.51 | − 0.14 | −0.68, 0.41 | 26.52 | −79.32, 132.35 | −0.60 | −4.32, 3.11 | 1.26 | 0.39, 4.07 |
Model 2: Meets guidelines assessed individually | ||||||||||||||||||
 Meets physical activity guidelines | 0.79 | −1.02, 2.60 | 0.03 | −2.68, 2.73 | 0.10 | −0.09, 0.29 | 0.08 | −0.20, 0.36 | 0.67 | 0.23, 1.10 | 0.52 | −0.07, 1.11 | 178.89 | 67.25, 290.54 | 3.01 | −1.07, 7.10 | 2.59 | 0.50, 13.57 |
 Meets screen-time guidelines | −0.20 | −1.40, 1.10 | − 0.66 | −2.39, 1.06 | −0.04 | − 0.17, 0.08 | −0.04 | − 0.27, 0.19 | −0.07 | − 0.45, 0.31 | −0.35 | − 0.85, 0.14 | − 11.28 | − 110.11, 87.54 | −1.54 | −4.95, 1.87 | 0.90 | 0.29, 2.79 |
 Meets sleep guidelines | −1.71 | − 3.60, 0.18 | − 0.81 | − 3.59, 1.97 | − 0.00 | − 0.20, 0.20 | −0.04 | − 0.34, 0.26 | a |  | a |  | a |  | a |  | a |  |
Model 3: Meets individual guidelines adjusting for compliance with other guidelines | ||||||||||||||||||
 Physical activity | 0.83 | −0.98, 2.63 | 0.06 | −2.4, 2.76 | 0.10 | −0.08, 0.29 | 0.13 | −0.22, 0.48 | 0.67 | 0.23, 1.11 | 0.55 | −0.04, 1.14 | 183.19 | 69.92, 296.46 | 3.20 | −0.89, 7.30 | 2.59 | 0.50, 13.67 |
 Screen-time | −0.34 | −1.67, 0.99 | −1.56 | −3.47, 0.36 | −0.09 | − 0.22, 0.05 | −0.13 | − 0.38, 0.12 | −0.11 | − 0.47, 0.26 | −0.38 | − 0.87, 0.11 | −28.35 | −122.00, 65.30 | − 1.77 | −5.19, 1.65 | 0.88 | 0.28, 2.82 |
 Sleep | −1.94 | −4.35, 0.47 | −1.30 | −4.92, 2.33 | −0.09 | −0.33, 0.16 | − 0.36 | −0.84, 0.11 | a |  | a |  | a |  | a |  | a |  |