Table 4 Fixed-effect parameter estimates from the multi-level ordered logistic models

BMI (kg/m²)

50,000–

1.41†

1.39†

1.51†

99,999 RMB

(1.29, 1.53)

(1.22, 1.58)

(1.31, 1.75)

0–49,999

1.42†

1.38†

1.55†

RMB

(1.30, 1.55)

(1.21, 1.57)

(1.34, 1.80)

Dash Run (sec)

50,000–

0.79†

0.68†

0.91

99,999 RMB

(0.70, 0.88)

(0.60, 0.73)

(0.82, 1.02)

0–49,999

0.63†

0.58†

0.71†

RMB

(0.55, 0.72)

(0.52, 0.66)

(0.63, 0.79)

Long Jump (cm)

50,000–

0.70†

0.71†

1.00

99,999 RMB

(0.66, 0.76)

(0.65, 0.79)

(0.91, 1.11)

0–49,999

0.95†

0.76†

1.01

RMB

(0.86, 0.99)

(0.69, 0.84)

(0.91, 1.11)

Sit-and-Reach (cm)

50,000–

0.51†

1.49†

0.63†

99,999 RMB

(0.47, 0.55)

(1.34, 1.65)

(0.57, 0.70)

0–49,999

0.62†

0.59†

0.71†

RMB

(0.58, 0.68)

(0.53, 0.65)

(0.64, 0.78)

Girl Distance Run (sec)

50,000–

18.5†

99,999 RMB

(4.6, 32.5)

0–49,999

26.8†

RMB

(11.8, 41.8)

Boy Distance Run (sec)

50,000–

0.52†

99,999 RMB

(0.47, 0.57)

0–49,999

0.54†

RMB

(0.49, 0.60)

Sit-ups (Girls; reps)

50,000–

0.72†

99,999 RMB

(0.64, 0.81)

0–49,999

0.51†

RMB

(0.46, 0.58)

Pull-ups (Boys; reps)

50,000–

1.03

99,999 RMB

(0.92, 1.15)

0–49,999

1.15†

RMB

(1.03, 1.29)