Table 4.

Sociodemographic characteristics of the 446 patients and differences between girls and boys

Variable	Girls	Boys	Total	Test statistic	p-value
Sex	214 (48%)	232 (52%)	446 (100%)	χ2 = 0.73	0.394
Age (years)	6.04 ± 5.20	5.86 ± 4.96	5.95 ± 5.07	t = 0.38	0.702

n (%) = absolute frequency and percentage, M ± SD = arithmetic mean and standard deviation. Test statistic: χ2 = statistic value for Pearson’s Chi-squared test, t = statistic value for Student’s t-test, and p-value = probability value for a two-tailed test