Table 1 Descriptive statistical analysis of the numeric variables
From: Determinants of student’s physical activity: a 12-month follow-up study in Ningxia province
Study variables | Year 2016Mean ± SD (95% CI) | Year 2017 Mean ± SD (95% CI) | P value |
|---|---|---|---|
Age | 11.90 (11.78,12.03) | 12.90 (12.78,13.03) | |
Gender (% boys) | 48.22 (45.77,50.67) | 48.22 (45.77,50.67) | |
BMI (kg/m2) | 18.46 (18.31,18.61) | 19.16 (18.99,19.33) | < 0.001 |
MVPA days (0–7 days) | 3.83 ± 1.95 (3.73, 3.92) | 3.74 ± 1.93 (3.65, 3.84) | 0.106 |
Attitude to PA (0–5 score) | 3.73 ± 1.10 (3.68, 3.79) | 3.98 ± 1.05 (3.93, 4.03) | < 0.001 |
Neighborhood sport events | 2.37 ± 1.67 (2.31, 2.43) | 2.70 ± 1.24 (2.64, 2.76) | < 0.001 |
Neighborhood exercise skill training | 1.97 ± 1.09 (1.92, 2.03) | 2.34 ± 1.26 (2.28, 2.40) | < 0.001 |
Neighborhood sport organization(%YES) | 20.66 (18.75,22.72) | 32.37 (30.12,34.71) | < 0.001 |
Neighborhood sport facility(%YES) | 61.24 (58.82,63.60) | 71.95 (69.69,74.10) | < 0.001 |
School exercise facility | 4.11 ± 0.99 (4.06, 4.16) | 4.20 ± 0.97 (4.15, 4.24) | 0.013 |
School PE class | 4.37 ± 0.88 (4.33, 4.41) | 4.42 ± 0.82 (4.38, 4.46) | 0.042 |
School teacher support | 4.15 ± 1.07 (4.10, 4.20) | 4.27 ± 0.99 (4.22, 4.31) | 0.001 |
School extra PA time | 3.92 ± 1.14 (3.87, 3.98) | 4.14 ± 1.04 (4.09, 4.19) | < 0.001 |
School PA environment | 3.94 ± 1.08 (3.89, 3.99) | 4.16 ± 1.02 (4.11, 4.21) | < 0.001 |
Friend support | 3.92 ± 1.18 (3.87, 3.98) | 4.13 ± 1.05 (4.08, 4.18) | < 0.001 |
Friend accompany | 3.96 ± 1.18 (3.91, 4.02) | 4.14 ± 1.07 (4.09, 4.19) | < 0.001 |
Parent PA days (0–7 days) | 3.06 ± 2.15 (2.95, 3.16) | 3.15 ± 2.15 (3.01, 3.22) | 0.227 |