Body Composition and a School Day Hydration State among Polish Children—A Cross-Sectional Study
Abstract
1. Introduction
2. Material and Methods
2.1. Assessment of Nutritional Status
2.2. Hydration Status
2.3. Statistical Analysis
3. Results
4. Discussion
Author Contributions
Funding
Conflicts of Interest
References
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Parameter | Total (%) N = 264 | Village (%) n = 142 | Town (%) n = 122 | p-Value |
---|---|---|---|---|
Gender | ||||
Boys | 54.2 | 53.9 | 53.7 | NS a |
Girls | 45.8 | 46.1 | 46.3 | |
Age | ||||
7–9 | 44.3 | 44.0 | 45.5 | NS a |
10–14 | 55.7 | 56.0 | 54.5 | |
Mother’s Education | ||||
Primary | 0.4 | 0.7 | - | |
Vocational | 10.0 | 10.1 | 9.3 | |
Secondary | 30.5 | 30.9 | 29.7 | NS b |
Higher | 59.1 | 58.3 | 61.0 | |
Father’s Education | ||||
Primary | 0.4 | 0.7 | - | |
Vocational | 22.4 | 29.7 | 13.9 | |
Secondary | 31.9 | 31.9 | 32.2 | <0.01 b |
Higher | 45.3 | 37.7 | 53.9 |
Parameters | Total | Boys | Girls | p Value | Town | Village | p Value |
---|---|---|---|---|---|---|---|
Age (years) | 10.10 (7.03–14.03) | 10.10 (7.03–13.77) | 10.15 (7.83–14.03) | NS | 10.09 (7.03–13.98) | 10.11 (7.48–14.03) | NS |
Weight [kg] | 35.00 (20.30–70.80) | 34.50 (21.89–70.80) | 36.00 (20.30–59.00) | NS | 33.40 (20.30–64.30) | 37.00 (21.80–70.80) | <0.05 |
Height [cm] | 1.42 (1.20–1.75) | 1.41 (1.20–1.73) | 1.44 (1.21–1.75) | NS | 1.42 (1.20–1.72) | 1.44 (1.20–1.75) | NS |
BMI [kg/m2] | 17.20 (12.57–30.54) | 17.26 (12.20–28) | 17.04 (12.57–30.54) | NS | 16.65 (13.20–26.09) | 17.97 (12.57–30.54) | <0.05 |
BMI-z score | −0.03 (−1.60–4.59) | −0.12 (−1.60–3.15) | 0.02 (−1.52–4.59) | NS | −0.25 (−1.60–2.82) | 0.11 (−1.52–4.59) | <0.05 |
Waist (cm) | 61.00 (48.00–92.00) | 61.00 (48.00–92.00) | 60.00 (48.00–86.00) | NS | 60.00 (50.00–83.00) | 63.00 (48.00–92.00) | <0.01 |
WHtR | 0.43 (0.35–0.62) | 0.43 (0.37–0.62) | 0.42 (0.35–0.60) | <0.05 | 0.42 (0.36–0.59) | 0.43 (0.35–0.62) | <0.05 |
Fat mass [kg] | 7.35 (3.40–27.50) | 6.60 (3.40–27.50) | 8.30 (3.40–25.30) | <0.05 | 6.40 (3.40–19.80) | 8.40 (3.60–27.50) | <0.05 |
BF% | 21.47 (11.60–42.88) | 19.23 (11.60–42.77) | 22.93 (14.73–42.88) | <0.01 | 19.44 (11.60–37.50) | 22.93 (13.51–42.88) | <0.01 |
Fat-Free Mass [kg] | 27.60 (6.00–50.60) | 27.50 (6.00–50.60) | 27.90 (16.50–44.90) | <0.01 | 27.75 (6.00–46.50) | 27.20 (11.20–50.30) | NS |
Total Body Water [kg] | 23.50 (12.70–39.00) | 23.60 (13.10–39.00) | 23.20 (12.70–33.00) | NS | 23.45 (12.70–36.70) | 23.30 (12.70–38.80) | NS |
Total Body Water [% of body weight] | 63.33 (40.90–83.62) | 66.57 (42.12–83.62) | 60.82 (40.90–78.64) | <0.01 | 65.69 (46.5–83.62) | 59.62 (40.90–83.28) | <0.01 |
Parameters | Total | Proper hydration (A) | Mild Dehydration (B) | Severe Dehydration (C) | p Value |
---|---|---|---|---|---|
Age (years) | 10.10 (7.03–14.03) | 10.00 (7.00–14.00) | 9.00 (7.00−14.00) | 10.00 (7.00–13.00) | NS |
Weight [kg] | 35.00 (20.30–70.80) | 34.65 (20.60–67.00) | 34.90 (20.30–68.70) | 38.40 (21.80–70.80) | NS |
Height [cm] | 1.42 (1.20–1.75) | 1.43 (1.20–1.75) | 1.43 (1.20–1.73) | 1.44 (1.23–1.68) | NS |
BMI [kg/m2] | 17.20 (12.57–30.54) | 17.03 (12.57–30.54) | 16.99 (13.14–28.96) | 18.72 (12.81–25.43) | NS |
BMI-z score | −0.03 (−1.60–4.59) | −0.18 (−1.52–4.59) C | 0.01 (−1.60–3.15) | 0.28 (−1.43–2.82) A | <0.05 |
Waist (cm) | 61.00 (48.00–92.00) | 60.00 (48.00–85.00) | 60.00 (48.00–92.00) | 62.00 (48.00–88.00) | NS |
WHtR | 0.43 (0.35–0.62) | 0.43 (0.35–0.59) | 0.43 (0.37–0.62) | 0.44 (0.37–0.60) | NS |
Fat mass [kg] | 7.35 (3.40–27.50) | 7.25 (0.80–24.50) C | 7.45 (1.10–23.40) | 9.20 (3.40–24.50) A | <0.05 |
BF % | 21.47 (11.60–42.88) | 20.80 (13.74–42.88) | 21.96 (11.60–42.77) | 22.77 (13.36–42.88) | <0.05 |
Fat-Free Mass [kg] | 27.60 (6.00–50.60) | 28.40 (6.00–45.10) | 27.20 (11.20–50.60) | 28.30 (18.10–50.30) | NS |
Total Body Water [kg] | 23.50 (12.70–39.00) | 23.80 (12.70–35.90) | 22.35 (13.10–39.00) | 23.60 (13.18–33.80) | NS |
Total Body Water [% of body weight] | 63.33 (40.90–83.62) | 64.45 (46.27–82.62) C | 63.07 (42.12–83.62) | 59.09 (40.90–75.00) A | <0.05 |
Level of urine osmolality [mOsm/kgH2O] | 825.00 (82.00–1404.00) | 551.5 (82.00–800.00) B,C | 914.00 (804.00–997.00) A,C | 1062.00 (1007.00–1404.00) A,B | <0.01 |
Predictors | % of Adequately Hydrated Children | % of Inadequately Hydrated Children | p-Value |
---|---|---|---|
Gender | |||
Girls | 50.4 | 49.2 | NS |
Boys | 44.1 | 55.9 | |
Age | |||
7–9 | 39.3 | 60.7 | <0.05 |
10–14 | 62.9 | 49.3 | |
Place of residence | |||
Town | 52.1 | 47.9 | NS |
Village | 42.6 | 57.4 | |
Mother’s Education | |||
Vocational | 53.8 | 46.2 | NS |
Secondary | 43.0 | 57.0 | |
Higher | 47.1 | 52.9 | |
Father’s Education | |||
Vocational | 50.9 | 49.1 | NS |
secondary | 48.1 | 51.9 | |
Higher | 43.5 | 56.5 | |
Level of Physical Activities | |||
Ordinary | 45.4 | 54.6 | NS |
Extraordinary | 48.9 | 51.1 | |
BMI [kg/m2] | |||
Underweight | 52.6 | 47.4 | NS |
Normal | 48.3 | 51.7 | |
Overweight | 44.0 | 56.0 | |
Obesity | 31.6 | 68.4 | |
BMI-z score | |||
Underweight | 33.3 | 66.7 | NS |
Normal | 49.0 | 51.0 | |
Overweight | 39.5 | 60.5 | |
Obesity | 37.5 | 62.5 | |
WHtR | |||
Proper | 47,8 | 52.2 | NS |
Visceral obesity | 40.6 | 59.4 | |
BF% | |||
Normal | 53.4 | 46.6 | <0.05 |
Overfat | 33.3 | 66.7 |
Outcome | Predictor Variables | Unadjusted OR | Adjusted OR | (95% CI) |
---|---|---|---|---|
Dehydration | Age (10–14) | 0.57 | 0.52 | 0.28–0.99 |
BF% (Overfat) | 2.29 | 2.39 | 1.15–4.94 |
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Kozioł-Kozakowska, A.; Piórecka, B.; Suder, A.; Jagielski, P. Body Composition and a School Day Hydration State among Polish Children—A Cross-Sectional Study. Int. J. Environ. Res. Public Health 2020, 17, 7181. https://doi.org/10.3390/ijerph17197181
Kozioł-Kozakowska A, Piórecka B, Suder A, Jagielski P. Body Composition and a School Day Hydration State among Polish Children—A Cross-Sectional Study. International Journal of Environmental Research and Public Health. 2020; 17(19):7181. https://doi.org/10.3390/ijerph17197181
Chicago/Turabian StyleKozioł-Kozakowska, Agnieszka, Beata Piórecka, Agnieszka Suder, and Paweł Jagielski. 2020. "Body Composition and a School Day Hydration State among Polish Children—A Cross-Sectional Study" International Journal of Environmental Research and Public Health 17, no. 19: 7181. https://doi.org/10.3390/ijerph17197181
APA StyleKozioł-Kozakowska, A., Piórecka, B., Suder, A., & Jagielski, P. (2020). Body Composition and a School Day Hydration State among Polish Children—A Cross-Sectional Study. International Journal of Environmental Research and Public Health, 17(19), 7181. https://doi.org/10.3390/ijerph17197181