Significance was set at p < 0 05 No differences were observed on

Significance was set at p < 0.05. No differences were observed on any of the measured variables between those who provided accelerometer data and those who did not with the exception of enjoyment of PA, which was higher

in those without 4 valid days of accelerometer data compared to those with less than 4 days of data (4.28 vs. 4.16, p < 0.05). While the mean age was similar for both boys (12.5 ± 1.1) and girls (12.1 ± 1.0), respectively, girls had a slightly higher mean BMI (22.8 ± 6.0) compared to boys (21.8 ± 4.7), but this difference was not statistically significant. Accelerometry data showed that, on average, boys participated in more daily minutes of MVPA than girls did (40.1 ± 19.1 vs. 22.9 ± 12.8, p < 0.01). This was consistent with the self-reported MVPA data, as boys reported being SRT1720 cost more physically active than girls (3.0 ± 0.6 vs. 2.8 ± 0.6, p < 0.01). Perceived sport competence was slightly higher in boys (3.0 ± 0.6) than in girls (2.7 ± 0.6). This same trend was found for appearance (boys (2.9 ± 0.7); girls (2.8 ± 0.7)) and PA enjoyment (boys (4.3 ± 0.5); girls (4.1 ± 0.5)). PA self-efficacy was the only self-perception

variable that was slightly higher in girls (3.5 ± 0.8) than in boys (3.4 ± 0.8). These differences were only statistically significant for www.selleckchem.com/products/fg-4592.html perceived sport competence (p < 0.01). The associations between self-perception variables and objective MVPA, objective total PA, and subjective MVPA are shown in Table 2. When looking at subjective

MVPA, PA enjoyment (boys (r = 0.361); girls (r = 0.438)) and PA self-efficacy (boys (r = 0.317); girls (r = 0.490)) were both independently and significantly correlated with the self-reported amount of MVPA in both boys and girls (all p < 0.01). Subjective MVPA was also positively and significantly correlated with appearance (r = 0.182, p < 0.05) and sport competence (r = 0.285, p < 0.01) in girls, although the magnitude of association was smaller. These relationships were only slightly attenuated when adjusting for BMI Z-score. For both objectively measured MVPA and total PA, only the association between PA enjoyment (r = 0.19 for each, p < 0.05) was significant in girls. This relationship was slightly attenuated Idoxuridine when adjusting for BMI Z-score, but remained significant. Hierarchical regression models predicting objective and subjective MVPA are shown in Table 3. The first model contained only the descriptive variables as predictors explained 25%, 5%, and 3% of the variance in objective MVPA (p < 0.01), objective total PA (p < 0.05), and subjective MVPA (p = 0.113), respectively. The second model contained the descriptive and perception variables as predictors explained 27%, 7%, and 27% of the variance in objective MVPA (p < 0.01), objective total PA (p < 0.05), and subjective MVPA (p < 0.01), respectively.

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