Table 2.
Activity domain scores and total AC (adjusted for age, maturity status and BMI) for boys and girls (eight–15 years), by year of assessment, as well as pairwise comparisons.
| Variables | 1992 | 1999 | 2012 | F | p-value | Partial Eta Squared | p for Trend | Pairwise comparisons |
|---|---|---|---|---|---|---|---|---|
| M ± SE | M ± SE | M ± SE | ||||||
| Boys | n = 232 | n = 620 | n = 569 | |||||
| Household chores | 17.36 ± 0.73 | 12.75 ± 0.60 | 12.49 ± 0.49 | 16.962 | <0.001 | 0.023 | L < 0.001; NL = 0.001 | 1992 > 1999; 1992 > 2012 |
| Games | 28.45 ± 1.05 | 23.14 ± 0.65 | 24.74 ± 0.69 | 9.284 | <0.001 | 0.013 | L = 0.004; NL < 0.001 | 1992 > 1999; 1992 > 2012 |
| Sports | 21.41 ± 0.90 | 23.26 ± 0.56 | 20.63 ± 0.59 | 5.280 | 0.005 | 0.007 | L = 0.469; NL = 0.004 | 1999 > 2012 |
| Walking | 50.40 ± 1.05 | 41.22 ± 0.65 | 40.05 ± 0.69 | 36.315 | <0.001 | 0.049 | L < 0.001; NL < 0.001 | 1992 > 1999; 1992 > 2012 |
| AC (Total) | 117.61 ± 2.32 | 100.36 ± 1.44 | 97.90 ± 1.52 | 26.729 | <0.001 | 0.036 | L < 0.001; NL < 0.001 | 1992 > 1999; 1992 > 2012 |
| Girls | n = 266 | n = 727 | n = 618 | |||||
| Household chores | 24.80 ± 0.84 | 21.62 ± 0.50 | 15.92 ± 0.57 | 41.534 | <0.001 | 0.049 | L < 0.001; NL = 0.070 | 1992 > 1999 > 2012 |
| Games | 34.50 ± 1.15 | 28.95 ± 0.69 | 29.09 ± 0.78 | 9.624 | <0.001 | 0.012 | L < 0.001; NL = 0.003 | 1992 > 1999; 1992 > 2012 |
| Sports | 12.36 ± 0.72 | 14.15 ± 0.44 | 12.35 ± 0.49 | 4.604 | 0.010 | 0.006 | L = 0.989; NL = 0.003 | 1999 > 2012 |
| Walking | 48.46 ± 1.00 | 38.26 ± 0.60 | 39.65 ± 0.69 | 40.091 | <0.001 | 0.048 | L < 0.001; NL<0.001 | 1992 > 1999; 1992 > 2012 |
| AC (Total) | 120.12 ± 2.19 | 102.99 ± 1.31 | 97.00 ± 1.50 | 36.025 | <0.001 | 0.043 | L < 0.001; NL = 0.002 | 1992 > 1999 > 2012 |
Notes: L = Linear trend; NL = No linear trend.