From: Prevalence of lower limb deformities among primary school students
Variable | FF (no.=707) | No FF (no.=3982) | Test | P | |||
---|---|---|---|---|---|---|---|
No. | % | No. | % | ||||
Age (years) | Mean ± SD (range) | 7.79±1.64 (6–12) | 8.61±1.71 (6–12) | t=11.41 | <0.001 (HS) | ||
Sex | Female | 298 | 42.15 | 2108 | 52.94 | χ2=27.97 | <0.001 (HS) |
Male | 409 | 57.85 | 1874 | 47.06 | |||
Residence | Rural | 270 | 38.19 | 2036 | 51.13 | χ2=40.23 | <0.001 (HS) |
Urban | 437 | 61.81 | 1946 | 48.87 | |||
MUS pain | No | 596 | 596 | 3970 | 99.70 | χ2=557.36 | <0.001 (HS) |
Yes | 111 | 15.70 | 12 | 0.30 | |||
Weight (kg) | Mean ± SD (range) | 33.99±8.61 (18.5–85) | 32.23±10.01 (18–85) | t=4.24 | <0.001 (HS) | ||
Height (cm) | Mean ± SD (range) | 130.8±10.2 (112–154) | 134.61±11.07 (110–160) | t=8.23 | <0.001 (HS) | ||
BMI (kg/m2) | Underweight (<5th percentile) | 17 | 2.40 | 77 | 1.93 | χ2=473.16 | <0.001 (HS) |
Normal weight (5–<85th percentile) | 402 | 56.86 | 3443 | 86.46 | |||
Overweight (85–<95th percentile) | 116 | 16.41 | 306 | 7.68 | |||
Obese (≥95th percentile) | 172 | 24.33 | 156 | 3.92 |