Gastroenterology Research and Practice / 2018 / Article / Tab 2

Research Article

Prevalence of Functional Constipation and Relationship with Dietary Habits in 3- to 8-Year-Old Children in Japan

Table 2

Characteristics of the subjects.

FCNon-FC value
t-testANCOVA

Boys : girls367 : 3511439 : 14380.617

Mean age (years)All6.5 ± 1.36.4 ± 1.30.112
Boys6.4 ± 1.46.4 ± 1.30.912
Girls6.6 ± 1.36.5 ± 1.30.015

Mean height (cm)All118.6 ± 10.0118.5 ± 9.30.3870.479
Boys118.6 ± 10.0118.5 ± 9.30.8630.362
Girls118.3 ± 8.8117.7 ± 8.80.2870.315

Mean weight (kg)All22.2 ± 4.921.8 ± 4.50.0470.218
Boys22.5 ± 5.422.2 ± 4.60.1490.133
Girls21.9 ± 4.321.6 ± 4.40.2380.467

Mean BMI (kg/m2)All15.7 ± 1.915.5 ± 1.90.0490.067
Boys15.8 ± 2.115.6 ± 1.90.0330.193
Girls15.5 ± 1.815.5 ± 1.90.5540.588

Mean height z-scoreAll−0.15 ± 1.14−0.08 ± 1.060.1480.171
Boys−0.07 ± 1.16−0.04 ± 1.090.7220.296
Girls−0.22 ± 1.12−0.11 ± 1.020.0780.454

Mean weight z-scoreAll−0.22 ± 1.03−0.22 ± 0.990.9110.806
Boys−0.15 ± 1.16−0.26 ± 1.220.1220.384
Girls−0.29 ± 1.01−0.25 ± 0.960.5920.544

Mean BMI percentileAll45.47 ± 28.6743.23 ± 28.110.0570.042
Boys46.81 ± 29.4243.91 ± 28.670.0850.338
Girls44.06 ± 27.8442.54 ± 27.530.3550.290

Data are shown as the mean ± standard deviation. ANCOVA: analysis with age as a covariate (Bonferroni).

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