TV change in strength per 1 hr increase | Computer change in strength per 1 hr increase | Age change in strength per 1 year increase | Sex Males - Females | Physical Activity change in strength per 1 day increase | BMI-Z-Score change in strength per 1 z-score increase | |
---|---|---|---|---|---|---|
Beta (95 % CI) | Beta (95 % CI) | Beta (95 % CI) | Beta (95 % CI) | Beta (95 % CI) | Beta (95 % CI) | |
Absolute strength | ||||||
Gripa (kg) | −0.31* (−0.56, −0.06) | 0.05 (−0.12, 0.22) | 2.79*** (2.69, 2.89) | 3.16*** (2.53, 3.79) | 0.02 (−0.11, 0.15) | 1.58*** (1.30, 1.86) |
Leg Extensionsa (kg) | −0.99** (−1.70, −0.28) | 0.35 (−0.42, 1.13) | 3.31*** (2.75, 3.86) | 1.35* (0.091, 2.62) | −0.14 (−0.57, 0.29) | 3.22*** (2.46, 3.98) |
Relative strength | ||||||
Gripa (kg per kg of body weight) | −0.006* (−0.011, −0.001) | −0.002 (−0.006, 0.002) | 0.009*** (0.007, 0.011) | 0.049*** (0.039, 0.060) | 0.003** (0.001, 0.005) | −0.058*** (−0.064, −0.053) |
Leg Extensionsa (kg per kg of body weight) | −0.018* (−0.033, −0.004) | 0.001 (−0.013, 0.015) | 0.009** (0.004, 0.014) | 0.001 (−0.021, 0.024) | 0.001 (−0.007, 0.010) | −0.048*** (−0.064, −0.033) |
Planka (seconds) | −3.49*** (−5.18, −1.18) | −2.04 (−4.22, 0.13) | 6.19*** (5.00, 7.39) | 7.45 (−0.10, 15.01) | 1.76** (0.67, 2.86) | −12.39*** (−14.53, −10.26) |
Pull-upsbc (odds ratio for completing ≥1 pull-ups) | 0.83*** (0.76, 0.92) | 0.86** (0.78, 0.94) | 0.99 (0.94, 1.05) | 3.41*** (2.36, 4.93) | 1.05 (0.99, 1.12) | 0.40*** (0.31, 0.51) |
Pull-upsb (# of pull-ups for children with ≥1 pull-ups) | −0.34 (−0.84, 0.15) | −0.23 (−0.61, 0.14) | 0.72*** (0.53, 0.90) | 2.63*** (1.77, 3.49) | 0.31** (0.12, 0.49) | −1.18*** (−1.48, −0.88) |