Table 2.
Baseline | Follow-up | P value | |||
---|---|---|---|---|---|
N | n (%) or mean ± SD | N | n (%) or mean ± SD | ||
Physical activity | |||||
Accelerometry | |||||
Time wearing accelerometer (h)* | 688 | 159.8 ± 21.6 | 624 | 151.2 ± 31.6 | < 0.001† |
Average acceleration (mg/min) | 688 | 13.0 ± 5.6 | 624 | 13.5 ± 6.8 | 0.738† |
Self-reported | |||||
Total recreational activity (h/w) | 712 | 19.5 ± 13.4 | 625 | 20.3 ± 12.7 | 0.003‡ |
Vigorous recreational activity (h/w) | 715 | 11.0 ± 9.70 | 714 | 10.2 ± 9.60 | 0.362§ |
Fruit and vegetable intake | |||||
Blood test | |||||
Plasma carotenoid level (μmol/l) | 670 | 3.22 ± 1.44 | 612 | 2.74 ± 1.15 | < 0.001|| |
Self-reported | |||||
Eating 5 A Day | 716 | 218 (30.5) | 630 | 313 (49.7) | < 0.001¶ |
Number and percentage of participants are presented for categorical variables; mean and standard deviation are presented for continuous variables
*Excluding those who wore the accelerometer for less than 24 h
†n = 604; using Wilcoxon signed-rank test
‡n = 623; using Wilcoxon signed-rank test
§n = 713; using Wilcoxon signed-rank test
||n = 574; using paired t test
¶n = 630; using Chi-squared test
H hours, h/w hours per week, N/n number of participants, SD standard deviation